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American Dryer Corp. ML-310 Phase 7 manuale d’uso - BKManuals

American Dryer Corp. ML-310 Phase 7 manuale d’uso

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Un buon manuale d’uso

Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso American Dryer Corp. ML-310 Phase 7. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica American Dryer Corp. ML-310 Phase 7 o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.

Che cosa è il manuale d’uso?

La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso American Dryer Corp. ML-310 Phase 7 descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.

Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.

Quindi cosa dovrebbe contenere il manuale perfetto?

Innanzitutto, il manuale d’uso American Dryer Corp. ML-310 Phase 7 dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo American Dryer Corp. ML-310 Phase 7
- nome del fabbricante e anno di fabbricazione American Dryer Corp. ML-310 Phase 7
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature American Dryer Corp. ML-310 Phase 7
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti

Perché non leggiamo i manuali d’uso?

Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio American Dryer Corp. ML-310 Phase 7 non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti American Dryer Corp. ML-310 Phase 7 e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio American Dryer Corp. in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche American Dryer Corp. ML-310 Phase 7, come nel caso della versione cartacea.

Perché leggere il manuale d’uso?

Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo American Dryer Corp. ML-310 Phase 7, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.

Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso American Dryer Corp. ML-310 Phase 7. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.

Sommario del manuale d’uso

  • Pagina 1

    ML-310 Phase 7 Service Manual with Tilt Options 0906000DMG/tcosta ADC Part No. 450421 American Dryer Corporation 88 Currant Road Fall River , MA 02720-4781 T elephone: (508) 678-9000 / Fax: (508) 678-9447 E-mail: techsupport@amdry .com[...]

  • Pagina 2

    Retain This Manual In A Safe Place For Futur e Refer ence American Dryer Corporation products embody advanced concepts in engineering, design, and safety . If this product is properly maintained, it will provide many years of safe, efficient, and trouble-free operation. ONLY qualified technicians should service this equipment. OBSER VE ALL SAFETY P[...]

  • Pagina 3

    IMPOR T ANT YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPL Y and THE GAS SUPPL Y or THE STEAM SUPPL Y BEFORE ANY COVERS or GUARDS ARE REMOVED FROM THE MACHINE TO ALLOW ACCESS FOR CLEANING , ADJUSTING , INST ALLA TION, or TESTING OF ANY EQUIPMENT per OSHA (Occupational Safety and Health Administration) ST ANDARDS. DO NOT STORE OR USE GASOLINE OR[...]

  • Pagina 4

    IMPOR T ANT PLEASE OBSER VE ALL SAFETY PRECAUTIONS displayed on the equipment and specified in the installation and operator's manual included with the dryer . W ARNING DR YER MUST NEVER BE OPERA TED WITHOUT THE LINT FIL TER OR SCREEN IN PLACE, EVEN IF AN EXTERNAL LINT COLLECTION SYSTEM IS USED. Dryers must not be installed or stored in an are[...]

  • Pagina 5

    Table of Contents ML-310 REFERENCE GUIDE (Basket [T umbler] Section) ................................ 3 ML-310 REFERENCE GUIDE (Base Section) ...................................................... 4 SECTION I SAFETY PRECAUTIONS ........................................................................................ 5 SECTION II ROUTINE MAINTENANCE [...]

  • Pagina 6

    SECTION VI PHASE 7 OPL SYSTEM DIAGNOSTICS ........................................................... 9 6 A. Diagnostic (L.E.D. Display) Fault Messages .............................................................................. 96 B . Input/Output (I/O) Board Input and Output Light Emitting Diode (L.E.D.) Indicators ................. 97 SECTION [...]

  • Pagina 7

    3 ML-310 Reference Guide (Basket [T umbler] Section)[...]

  • Pagina 8

    4 ML-310 Reference Guide (Base Section)[...]

  • Pagina 9

    5 SECTION I SAFETY PRECAUTIONS CAUTION: The dryer should never be left unattended while in operation. W ARNING: For your safety , the information in this manual must be followed to minimize the risk of fire or explosion or to prevent property damage, personal injury , or loss of life. W ARNING: The dryer must never be operated with any of the back [...]

  • Pagina 10

    6 W ARNING: DO NOT dry mop heads. Contamination by wax or flammable solvents will create a fire hazard. W ARNING: DO NOT use heat for drying articles that contain plastic, foam, sponge rubber , or similarly textured rubberlike materials. Drying in a heated basket (tumbler) may damage plastics or rubber and also may be a fire hazard. 7. A program sh[...]

  • Pagina 11

    7 SECTION II ROUTINE MAINTENANCE A. CLEANING A schedule should be established for periodic inspection, cleaning, and removal of lint from various areas of the dryer , as well as throughout the duct work system. The frequency of cleaning can best be determined from experience at each location. Maximum operating efficiency is dependent upon proper ai[...]

  • Pagina 12

    8 W ARNING: TO A V OID THE HAZARD OF ELECTRICAL SHOCK, DISCONTINUE ELECTRICAL SUPPL Y T O THE DRYER. MONTHL Y Empty the compressed air filter bowl. NOTE: REGULA TOR PRESSURE IS T O BE SET A T 80 PSI (5.51 BARS). Clean any lint accumulation from the gas valve and burner area at the top of the dryer , the fan (impellor) motor , and the fan (impellor)[...]

  • Pagina 13

    9 B. LUBRICA TION MONTHL Y The two (2) bearings that support the impellor/fan shaft must be lubricated. Use Shell Alvania #2 grease or its equivalent. Generically , this grease would be described as a NLGI Grade 2 multipurpose industrial grease with a lithium thickener and mineral base oil. EVERY 3 MONTHS The four (4) bearings that support the driv[...]

  • Pagina 14

    10 EVERY 6 MONTHS Change gear oil in tumbler shaft gear reducer . 1. Remove the drain plug (located at the bottom rear of the reducer). 2. After oil is completely drained, replace the drain plug. 3. Remove the vent plug and pour in 1.48 quarts (1.4 liters) of Mobil Oil DTE HH5G ( I.S.O. viscosity grade 460), SAE 90, or its equivalent. C. ADJUSTMENT[...]

  • Pagina 15

    11 SECTION III SPECIFICA TIONS and DIMENSIONS A. SPECIFICA TIONS (Gas and Steam Models) * Dryer must be provided with a clean, dry , and regulated 80 PSI +/- 10 PSI (5.51 bars +/- 0.68 bars) air supply (equivalent volume = 1 1 cfh [0.31 cmh]). NOTE: ADC reserves the right to make changes in specifications at any time without notice or obligation. G[...]

  • Pagina 16

    12 NOTE: ADC reserves the right to make changes in specifications at any time without notice or obligation. B. DIMENSIONS[...]

  • Pagina 17

    13 NOTE: ADC reserves the right to make changes in specifications at any time without notice or obligation.[...]

  • Pagina 18

    14 NOTE: ADC reserves the right to make changes in specifications at any time without notice or obligation.[...]

  • Pagina 19

    15 SECTION IV INST ALLA TION REQUIREMENTS Installation should be performed by competent technicians in accordance with local and state codes. In the absence of these codes, installation must conform to applicable American National Standards: National Fuel Gas Code ANSI.Z223.1-LA TEST EDITION and/or National Electrical Code ANSI/NFP A NO. 70-LA TEST[...]

  • Pagina 20

    16 B. ELECTRICAL and GAS REQUIREMENTS It is your responsibility to have ALL electrical connections made by a properly licensed and competent electrician to assure that the electrical installation is adequate and conforms with local and state regulations or codes. In the absence of such codes, ALL electrical connections, materials, and workmanship m[...]

  • Pagina 21

    17 SECTION V COMPONENT DESCRIPTION/REPLACEMENT A. HEA T SECTION The ML-310 dryer uses three (3) types of heat sources: natural gas, liquid propane (L.P .) gas, and steam. Natural gas and L.P . gas are not directly replaceable. The gas valves need to be modified to use other than the type of heat specified on the nameplate. 1. The MLG-310 gas dryers[...]

  • Pagina 22

    18 330º F (166º C) Thermostat Sail Switch Assembly a . The Direct Spark Ignition (DSI) module is a 24 V AC device designed to be the “controller” of the DSI system. When activated by the dryer controls, this module constantly monitors and controls the functions of the DSI system (i.e., spark activation, gas valve off and on, flame verificatio[...]

  • Pagina 23

    19 e . The Manual Reset Basket (tumbler) Hi-Limit Switch is a thermostat type switch located above the lint basket. Its function is to discontinue heat (flame) in the event of an over temperature situation (above 225º F [107º C]). f . The gas valve used in the dryer is of the redundant type which means that the gas valve is actually two (2) gas v[...]

  • Pagina 24

    20 Is 24 VAC available at transformer? Is 24 VAC present from terminal THS(2) to ground? Is power available to primary? Are thermostat contacts and hi-limit control contacts closed? Reset or replace hi-limits Check continuity of wiring to determine why voltage does not exist at THS(2). Is jumper installed from terminal 5 to ground? Install Jumper. [...]

  • Pagina 25

    21 i . T roubleshooting Flowchart - Quick Reference... Second Visual Check S park Present But Main Burner Does Not Come On Is main valve wiring securely attached to terminal M.V.(3) and ground? No Yes Is 24 VAC present between terminals M.V.(3) and ground? No Yes Check for continuity in wiring from M.V.(3) to gas valve, and gas valve to GR. No Yes [...]

  • Pagina 26

    22 j . T roubleshooting Flowchart - Quick Reference... Third Visual Check Main Burner Lights But W ill Not S tay On Is flame sensor cable securely attached to sense (4) terminal? No Yes Does continuity exist from control to flame sensor? No Yes Is flame sensor corroded or is ceramic cracked? Yes No Does continuity exist in ground path from burner t[...]

  • Pagina 27

    23 B. TROUBLESHOOTING THE DIRECT SP ARK IGNITION (DSI) SYSTEM NOTE: The troubleshooting information provided in this manual is intended for use by qualified service technicians only . OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment or specified in the ML-310 Phase 7 T ilting Installation Manual ( ADC Part No. 1 13127) included with the dr[...]

  • Pagina 28

    24 1. Direct Spark Ignition (DSI) T roubleshooting T erms (definitions) ADC (DSI) Control Module P/N 128973 a . DSI MODULE “RED” L.E.D. INDICA T OR LIGHT - This “red” light emitting diode (L.E.D.) light is located in the upper right corner of the DSI module (refer to the top illustration on page 18 ). This is a diagnostic indicator that sim[...]

  • Pagina 29

    25 If the dryer repeatedly has Direct Spark Ignition (DSI) module “LOCKOUT” failures, the cause may be due to high voltage not getting into the DSI module ignitor probe assembly . 5) Check to insur e that the “red” high voltage wir e (between the ignitor spark electrode and the DSI module) is not wrapped around the sensor probe wire (the wi[...]

  • Pagina 30

    26 c . Three (3) V isual Checks 1) Does the Direct Spark Ignition (DSI) Ignitor/Flame-Probe Assembly start sparking? If not, refer to the FIRST VISUAL CHECK on page 27 . 2) Does the main burner ignite? If not, refer to the SECOND VISUAL CHECK on page 28 . 3) Does the main burner remain lit after ignition has been established (“FLAMEOUT”)? If no[...]

  • Pagina 31

    27 d. T roubleshooting Flowchart - Quick Reference... First Visual Chec k (Does Ignitor Spark?) I s spark evident (on) at Ignitor Assembly? Is 24 Volts present across DSI Module terminals TH and COM? Check High Voltage (HV) Lead for nicks or cracking, where sparking to ground may occur. Is this wire damaged? Go To Chart 2 Open circuit to DSI System[...]

  • Pagina 32

    28 e . T roubleshooting Flowchart - Quick Reference... Second Visual Check (Does Main Burner Ignite?) Does main burner light? Is manual knob on the Gas Valve in the “ON” position? Is dryer Internal Gas Shut-Off Valve and ALL External Gas Shut-Off Valves in the open position? Go To Third Visual Check Yes Yes Turn manual knob on the Gas Valve to [...]

  • Pagina 33

    29 f . T roubleshooting Flowchart - Quick Reference... Third Visual Check (Does Main Burner Ignite?) Does main burner remain lit? Does the Flame Probe have carbon or dust build up? Reposition Flame Sensor Probe to achieve a 2µa or greater sensor current or, if unattainable, replace the Sensor Probe Assembly. Correct ground wiring Control's he[...]

  • Pagina 34

    30 3. T roubleshooting and System Detailed Diagnosis For Johnson Direct Spark Ignition (DSI) Module P/N 128935 When the dryer calls for heat, 24 V AC from the step down transformer is applied to the “TH” and “GND” terminals of the DSI module. The DSI module light emitting diode (L.E.D.) indicator will LIGHT “GREEN.” The gas valve will b[...]

  • Pagina 35

    31 a ) Connect the water column test gauge (manometer) to the gas valve pressure tap (1/8” N.P .T .). Refer to the illustration on the previous page ( page 30 ). b) Start the dryer ...with the burner on, the correct water column (W .C.) pressure reading in inches should be : Natural Gas ------------------ 3.5 inches W .C. (8.7 mb). Liquid Propane[...]

  • Pagina 36

    32 ( a) T o check and/or set the 1/8” (3.175 mm) GAP , use a Direct Spark Ignition (DSI) GAP Feeler Gauge or similar device to determine GAP size. DO NOT USE FEELER TO SET THE GAP , USE IT ONL Y TO DETERMINE THE SIZE OF THE GAP . If an adjustment is necessary , bend the ground rod to achieve the correct GAP , then recheck the 1/8” (3.175 mm) GA[...]

  • Pagina 37

    33 3) Air T urbulence If there is sail switch flutter due to air turbulence or improper impellor (fan/blower) rotation or a restriction in the exhaust duct work, the Direct Spark Ignition (DSI) module will cycle erratically . This in turn might cause the DSI module to “LOCKOUT” (where the light emitting diode [L.E.D.] indicator will BLINK “GR[...]

  • Pagina 38

    34 CAUTION: DO NOT LET THE IGNITOR/FLAME-PROBE ASSEMBL Y TOUCH THE BURNER TUBES; OTHERWISE THE ENTIRE ASSEMBL Y WILL SHOR T OUT . 6) Direct Spark Ignition (DSI) 24 V AC Transformer The DSI transformer is designed to step down the operating voltage of the dryer to 24 V AC. This operates the DSI module. This transformer , like ALL transformers is two[...]

  • Pagina 39

    35 4. T roubleshooting and System Detailed Diagnosis For ADC Direct Spark Ignition (DSI) Module P/N 128973 When the dryer calls for heat, 24 V AC from the step down transformer is applied to the “TH” and “GND” terminals of the DSI module. The DSI module light emitting diode (L.E.D.) indicator will LIGHT “RED” (for up to approximately 1.[...]

  • Pagina 40

    36 a ) Connect the water column (W .C.) test gauge (manometer) to the gas valve pressure tap (1/8” N.P .T .). Refer to the illustration on the previous page ( page 35 ). b) Start the dryer ...with the burner on, the correct water column pressure reading in inches should be : Natural Gas ------------------ 3.5 inches W .C. (8.7 mb). Liquid Propane[...]

  • Pagina 41

    37 ( a) T o check and/or set the 1/8” (3.175 mm) GAP , use a Direct Spark Ignition (DSI) GAP Feeler Gauge or similar device to determine GAP size. DO NOT USE FEELER TO SET THE GAP , USE IT ONL Y T O DETERMINE THE SIZE OF THE GAP . If an adjustment is necessary , bend the ground rod to achieve the correct GAP , then recheck the 1/8” (3.175 mm) G[...]

  • Pagina 42

    38 3) Air T urbulence If there is sail switch flutter due to air turbulence or improper impellor (fan/blower) rotation or a restriction in the exhaust duct work, the Direct Spark Ignition (DSI) module will cycle erratically . This in turn might cause the DSI module to “LOCKOUT” (where the light emitting diode [L.E.D.] indicator will LIGHT “RE[...]

  • Pagina 43

    39 CAUTION: DO NOT LET THE IGNITOR/FLAME-PROBE ASSEMBL Y TOUCH THE BURNER TUBES; OTHERWISE THE ENTIRE ASSEMBL Y WILL SHOR T OUT . 6) Direct Spark Ignition (DSI) 24 V AC Transformer The DSI transformer is designed to step down the operating voltage of the dryer to 24 V AC. This operates the DSI module. This transformer , like ALL transformers is two[...]

  • Pagina 44

    40 C. NA TURAL GAS and LIQUID PROP ANE (L.P .) GAS CONVERSION INSTRUCTIONS IMPOR T ANT : CONVERSION MUST BE PERFORMED BY COMPETENT TECHNICIANS IN ACCORDANCE WITH LOCAL and ST A TE CODES. NOTE: Converting the dryer to L.P . gas disables the internal regulator of the gas valve, therefore, a n external regulator must be provided at the source of the L[...]

  • Pagina 45

    41 1 1 . Reverse the procedure for reinstalling the gas valve/manifold assembly to the dryer . 12 . Open ALL gas shutof f valves (closed in S tep #2 ). 13 . Reestablish electrical power to the dryer . a . T est ALL connections for leaks. IMPOR T ANT : T est ALL connections for leaks by brushing on a soapy water solution (liquid detergent works well[...]

  • Pagina 46

    42 1. Steam Coil PH Level The normal PH level for copper type steam coils must be maintained between a value of 8.5 to 9.5. For steel type steam coils the PH level must be maintained between a value of 9.5 to 10.5. These limits are set to limit the acid attack of the steam coils. IMPOR T ANT : Coil failure due to improper PH level will VOID THE W A[...]

  • Pagina 47

    43 The steam damper plate should open and close slowly and smoothly . The speed can be modulated by adjusting the needle valve knob. T urning the knob clockwise (CW) restricts the compressed airflow and slows the steam damper movement. Counterclockwise (CCW) adjustment speeds up the steam damper motion. Upon completion of the adjustment, tighten th[...]

  • Pagina 48

    44 5) Remove the valve from the bracket. 6) Unscrew the valve from the outlet side. 7) T o install new steam solenoid valve, reverse above procedure ( S tep #6 thru S tep #1 ). c . Needle V alve Replacement 1) Disconnect compressed air supply from the dryer . 2) Remove tubing from the valve. 3) Unscrew needle valve from the solenoid valve. 4) T o i[...]

  • Pagina 49

    45 6) Remove steam coil damper cylinder (piston). 7) Remove the steam coil damper by unbolting from its hinges. 8) Disconnect steam supply lines and steam return lines at the unions. 9) Remove the remaining piping from the steam coil. 10 ) Remove ALL of the panels surrounding the steam coil. 1 1) Unbolt the steam coil and remove. W ARNING: The stea[...]

  • Pagina 50

    46 E. SPRINKLER SYSTEM DESCRIPTION The sprinkler system is monitored by a microprocessor based temperature controller as a designated “F AIL- SAFE.” The microprocessor circuit must have power in order to engage main power to the dryer . When cycling the dryer , if temperature at the Resistive T emperature Device (R TD) reaches 575º F (301.6º [...]

  • Pagina 51

    47 MAN3488 d. Sprinkler Digital T emperature Controller The sprinkler digital temperature controller is a programmable microprocessor used to monitor temperatures via a Resistive T emperature Device (R TD). NOTE: Operating parameters are preset at the factory and should not require any adjustment. 2. Sprinkler System Operation NOTE: Refer to the la[...]

  • Pagina 52

    48 5) Remove the wires of the Resistive T emperature Device (R TD) from the terminal strip. NOTE: Identify the wires removed for proper reinstallation. 6) Loosen the cord grip cap. 7) Remove R TD. 8) T o install new R TD, reverse above procedure ( S tep #7 thru S tep #1 ). b. Sprinkler V alve Replacement 1) T urn the water supply to the dryer off. [...]

  • Pagina 53

    49 W ARNING: THE SPRINKLER CIRCUIT HAS A SEP ARA TE POWER SUPPL Y (than the power supply for the dryer). DISCONNECT and LOCK OUT BOTH POWER SUPPLIES BEFORE SER VICING THE DR YER. c . 3 HP (2.24 kw) Control Relay Replacement 1) Mark and identify the wires that will be removed for proper reinstallation. 2) Press down on the control relay and lift the[...]

  • Pagina 54

    50 6) Mount the top of the control relay to the top of the din rail, then press down and snap the bottom into the rail. Set the overload to the setting specified on the dryer blueprints. 7) Inspect the work performed before reestablishing power (electrical power) to the dryer . 8) Reestablish electrical power to the dryer .[...]

  • Pagina 55

    51[...]

  • Pagina 56

    52 The tilting system in the dryer , whether it be 1-W ay T ilt or 2- W ay T ilt, is controlled by the TSX-07 Programmable Logic Controller (PLC). The PLC will determine if the dryer is safe to tilt based on inputs from several sources. If ALL conditions are met, the PLC will send a signal to the tilt relays which energize the appropriate tilt sole[...]

  • Pagina 57

    53 1. T ilting Solenoid V alve The dryer uses a 3-position/4-way/5-port, spring centering double solenoid valve. W ith no power applied to either solenoid, the valve is in a spring centered blocked post state. In this mode, the dryer ’ s tilting pistons will remain in their present state, not being able to exhaust air or receive air . When the le[...]

  • Pagina 58

    54 a . T ilting Solenoid Replacement 1) Engage “EMERGENCY STOP” (E-Stop)... Discontinue electrical power to the dryer . 2) Remove panel covering the pneumatic controls. 3) Label the solenoid plugs as an aid when reconnecting. 4) Loosen screws from the solenoid plug. 5) Remove the solenoid plug (take notice of the gaskets). 6) Remove the E-clip [...]

  • Pagina 59

    55 10 ) Remove the two (2) 3/8” mufflers. (Refer to the illustration on page 56 .) Reinstall these mufflers on the new solenoid valve body . 1 1 ) The left orifice (marked #12 on the tilting solenoid valve) now must be configured for external pilot. NOTE: For 1-W ay T ilt models proceed to S tep #23 . 12 ) Remove the two (2) Phillips head screws.[...]

  • Pagina 60

    56 c . T ilting Piston Replacement 1) Disconnect compressed air supply from the dryer . 2) T ilt, then level the dryer to exhaust as much air as possible. 3) Disengage “EMERGENCY STOP” (E-Stop)... Discontinue electrical power to the dryer . 4) Remove the six (6) screws holding the piston cover plate. 5) Label the air lines as an aid when reconn[...]

  • Pagina 61

    57 9) Car efully remove the E-clips from the clevis pins. 10 ) Remove clevis pins. 1 1) Loosen the bottom setscrew in the piston rod eye. 12 ) Unscrew the piston rod eye from the tilting piston. 13 ) T o install new tilting piston, reverse above procedure ( S tep #12 thru S tep #1 ).[...]

  • Pagina 62

    58 G . AIR JET ASSEMBL Y 1. Air Jet Assembly Description The air jet assembly is located in the left front base of the dryer . The air jet is designed to operate at the end of each cycle for 30-seconds, to remove lint which may have accumulated on the blower (impellor) fan blades. This function will be interrupted if the main door or lint drawer is[...]

  • Pagina 63

    59 5) Remove the valve support. 6) Remove the two (2) #6-32 x 1” hex head machine bolts by removing the two (2) #6 hex nuts and the two (2) #6 star washers. 7) T o install new air jet assembly , reverse above procedure ( S tep #5 thru S tep #1 ). b. Pneumatic V alve Muffler Replacement 1) Disconnect compressed air supply from the dryer . 2) Remov[...]

  • Pagina 64

    60 H. BLOWER ( Squirrel Cage Fan ) MOT OR ASSEMBL Y 1. Blower (squirrel cage fan) Motor Description The dryer uses an 18-inch (45.72 cm) diameter , blower (squirrel cage fan) wheel. It spins (turns) in a counterclockwise (CCW) direction when looking at the back of the blower housing. The blower (squirrel cage fan) shaft is mounted in two (2) pillow[...]

  • Pagina 65

    61 2. Blower (squirrel cage fan) Motor Component Replacement a . Blower (squirrel cage fan) Motor Replacement 1) Discontinue electrical power to the dryer . 2) Mark and identify the wires that will be removed for proper reinstallation. 3) Loosen the bolts from the motor to the motor base... a ) Slide the blower (squirrel cage fan) motor forward. b)[...]

  • Pagina 66

    62 18 ) Replace the V -belts... a ) Adjust to proper tension by adjusting position of the new blower (squirrel cage fan) motor . b) Align the V -belts. 19 ) T ighten and secure the new motor to the motor base. 20 ) Rewire the new blower (squirrel cage fan) motor in the same order as the wiring from the motor that was removed. A wiring diagram is us[...]

  • Pagina 67

    63 d) Loosen the setscrews on the bushing. e ) Remove the bushing and the pulley . 1 1) Remove the pillow block bearing with shroud by removing the setscrew . 12 ) Replace the pillow block bearing with shroud on to the fan shaft... a ) Secure the fan (blower) shaft bearing mount assembly . b) Tighten and secure the setscrews in the pillow block bea[...]

  • Pagina 68

    64 7) Remove the 1/4” x 1/4” x 1-3/4” (6.35 mm x 6.35 mm x 4.45 cm) key on the blower (squirrel cage fan) shaft. a ) Slide the blower (squirrel cage fan) off of the shaft. NOTE: Install this 1/4” x 1/4” x 1-3/4” (6.35 mm x 6.35 mm x 4.45 cm) key to the fan shaft before installing the new blower (squirrel cage fan). 8) T o install the ne[...]

  • Pagina 69

    65 a ) Thermal Magnetic Starter (TMS) Replacement (1) Discontinue electrical power to the dryer . (2) Mark L1, L2, L3, and T1, T2, T3 on the wires to the TMS for correct replacement. (3) Set the amp rating on the TMS according to the manufacturer ’ s electrical schematic on the new thermal magnetic starter . (4) T o remove the thermal magnetic st[...]

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    66 2) Auxiliary Contact Block The Auxiliary Contact Block is mounted on the side of the overload. Its function is to sense an overload trip, thereby triggering a safety fault which will disable the drying cycle. An “Overload Fault” message will appear on the light emitting diode (L.E.D.) display on the Phase 7 microprocessor controller (compute[...]

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    67 I. FIL TER/REGULA T OR ASSEMBL Y The purpose of the filter is to remove bulk liquids and solid particles from the compressed air stream. The filter element provides mechanical separation of solids. Centrifugal force inside the filter bowl separates bulk liquids and larger solid particles. The filter consists of a louver which causes a centrifuga[...]

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    68 J. DOOR SYSTEMS The dryer utilizes two (2) styles of doors, which are Manual Doors and Pneumatic Automatic Doors. 1. Manual Door Description The Manual Doors run on a single aluminum track with a wheel assembly mounted above the doors and a channel with teflon strips mounted on the bottom of the doors... a . For dryers manufactured as of October[...]

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    69 3. Door Component Replacement and Removal a . Manual Door Replacement or Removal 1 ) Discontinue electrical power to the dryer . 2) Remove the two (2) 1/4-20 x 1/2” bolts from each side of the middle guard and then remove the guard. 3) Loosen the jam nut and screw down the trolley adjustment bolts. 4) Lift the door(s) off of the track(s) and r[...]

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    70 b. Pneumatic Automatic Door Replacement or Removal AUT OMA TIC DOORS 1) Discontinue electrical power to the dryer . 2) Remove the two (2) 1/4-20 x 1/2” bolts from each side of the middle guard and then remove the guard. 3) Remove the three (3) 1/4-20 x 3/4” bolts from the bottom guard. Remove the bottom guard. 4) Remove the two (2) #8-32 x 3[...]

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    71 c . Cable Cylinder Replacement or Removal 1) Discontinue electrical power to the dryer . 2) Remove the two (2) 1/4-20 x 1/2” bolts from each side of the middle guard. (Refer to the illustration on page 69 .) Remove the middle guard. 3) Disconnect the cables in the top of the electrical panel. 4) Remove the hardware from the top guard. Remove t[...]

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    72 d. Proximity Switch Replacement 1) Discontinue electrical power to the dryer . 2) Remove the two (2) 1/4-20 x 1/2” bolts from each side of the middle guard and then remove the guard. 3) Remove the three (3) 1/4-20 x 3/4” bolts from the bottom guard. T ake notice of the depth of the proximity switch. 4) Unscrew and remove the nut that is on t[...]

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    73 f . 4-W ay V alve, 3-W ay V alve, and Supply Air Disable V alve Replacement 1) Discontinue electrical power to the dryer . 2 ) Disconnect compressed air supply from the dryer . 3 ) Remove the 1/4-20 self- tapping screws securing the pneumatic panel cover . 4 ) Remove the two (2) 1/4-20 screws securing the junction box cover . 5) Loosen the cord [...]

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    74 K. CONTROL and ELECTRICAL SYSTEM Ladder Diagram[...]

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    75[...]

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    76 CAUTION: When servicing the HIGH V OL T AGE section of the dryer , the ELECTRICAL POWER MUST BE DISABLED. THE “ EMERGENCY ST OP” (E-S top) BUTT ON DOES NOT DISABLE THE HIGH V OL T AGE T O THE DR YER. 1. Control/Electrical System Description a . 3-Phase (3ø) Electrical Power The 3-phase (3ø) electrical power for the dryer enters the dryer t[...]

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    77 3) 24 V AC Transformer The 24 V AC transformer consists of CB5 (Circuit Breaker) which is the primary fusing for the transformer . For the proper rating of this circuit breaker refer to the specific electric diagram. The transformer is located in the right hand electrical cabinet. Dryer models with an optional Sprinkler System have an energizing[...]

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    78 c ) Dryer level switches circuit branch... (1) On 1-W ay T ilt models, this switch is in series with the dry enable. (2) On 2-W ay T ilt models...one (1) pole of each of the two (2) level switches (LS1-A and LS2- A) are in series with the dryer level relay and the other pole is in series with the opposite piston. IF THE OPPOSITE SIDE IS NOT LEVE[...]

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    79 Next reverse leads to temp sensor black to black and red to white. At that point you measure approximately 1.8 amps, this is the turn on voltage of the device. If you hold the temp sensor in your hands and warm it the reading will decrease corresponding to a higher current flow (the decrease is very slight tenths of a volt). 2) The Rotational Se[...]

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    80 a ) The Programmable Logic Controller (PLC) module has thirteen (13) input relays which are labeled #0 through #13 and nine (9) output relays labeled #0 through #9. (1) Input Relays Input relays #0, #1, #2, and #3 are set up as user inputs to signal what specific function is to be performed (i.e., load, unload, tilt, and front identifier). These[...]

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    81 2. Electrical Component Replacement a . Control V oltage T ransformer Replacement (refer to the illustration on page 83 ) 1) Discontinue electrical power to the dryer . 2) Locate the correct schematic for the specific change(s) required and verify the wiring of the transformer using the schematic. 3) V erify the voltage of the new transformer . [...]

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    82[...]

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    83 b. Programmable Logic Controller (PLC) Replacement 1) Discontinue electrical power to the dryer . 2) Mark and identify the wires that will be removed for proper reinstallation. 3) T o remove the PLC from the mounting rail, using a screwdriver , very carefully pull out the mounting clip on the bottom of the PLC and lift the unit out of the rail. [...]

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    84 5) T o install new Microprocessor Controller (computer) input/output (I/O) board, reverse S tep #4 thru S tep #1 . 6) Reestablish electrical power to the dryer . e . Keyboard (touch pad) Replacement 1) Discontinue electrical power to the dryer . 2) Disconnect keyboard (touch pad) ribbon cable from the Phase 7 microprocessor controller (computer)[...]

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    85 5) W ith finger tip, gently push and turn the bulb to unlock. NOTE: A piece of tubing with an inside diameter the size of bulb may assist in bulb removal and replacement. 6) T o install new bulb, reverse S tep #5 thru S tep #1 . h. End of Cycle Light Replacement 1) Discontinue electrical power to the dryer . 2) Loosen and remove the cap screw on[...]

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    86 V erify that the tilt switch arm is not in the vertical position or damage will r esult. 10 ) Holding the tilt arm, tighten up (snug up) on the nut. 1 1) Hold pivot point with a screwdriver and tighten the nut. 12 ) Replace base panel. 13 ) Reestablish electrical power to the dryer . j . T ilt Switch Adjustment 1) Discontinue electrical power to[...]

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    87 L. BASKET ( T umbler ) SYSTEM 1. Basket (tumbler) Drive System The basket (tumbler) is supported and driven by four (4) 1 1-inch (27.94 cm) diameter drive wheel assemblies. T wo (2) of these wheels are attached to a 1-1/2” diameter idler shaft, while the other two (2) are attached to a 1-1/2” diameter drive shaft. Each of the wheels is faste[...]

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    88 W ARNING: TO ENSURE THA T THE DRIVE IS NOT UNEXPECTEDL Y ST AR TED, TURN OFF and LOCKOUT and/or T AG POWER SOURCE BEFORE PROCEEDING . F AILURE T O OBSER VE THESE PRECAUTIONS COULD RESUL T IN PERSONAL INJUR Y . W ARNING: Drive shaft assembly is heavy . IMPROPER HANDLING CAN CAUSE PERSONAL INJUR Y . 2. Drive Motor Component(s) a . Drive Motor Repl[...]

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    89 1) Discontinue electrical power to the dryer . 2) Loosen turnbuckle and remove V -belts. 3) Install new V -belts. NOTE: Replace V -belts in matched sets (both belts). 4) T ighten turnbuckle. IMPOR T ANT : DO NOT OVER TIGHTEN TURNBUCKLE . 5) Reestablish electrical power to the dryer . c . T aper Lock Bushing and Drive Motor Pulley Replacement 1) [...]

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    90 3) Mark the position of the pillow block bearing on the mounting pad and loosen the setscrews. 4 ) Insert blocks of wood under the basket (tumbler) - access through the lint drawer - to take the weight off of the drive wheels. 5) Loosen the turnbuckle and remove the V -belts. Remove bottom turnbuckle mounting bolt. 6) Remove the bolts from the p[...]

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    91 5) Reestablish electrical power to the dryer . f . Pillow Block Bearing(s) Replacement 1) Discontinue electrical power to the dryer . 2) Follow S tep #2 thru S tep #1 1 in the instructions on ( page 89 and page 90) . 3) Remove both drive wheels and taper lock bushings. 4) Carefully file the score marks on the drive shaft from the setscrews befor[...]

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    92 10 ) Secure the gear reducer to the drive shaft by reinstalling the three (3) bolts into the taper lock bushing and tighten evenly for proper mounting. 1 1) Repeat S tep #12 to reinstall the other taper lock bushing. 12 ) Reinstall the bolt into the turnbuckle and mounting bracket. 13 ) Reinstall V -belts and tighten turnbuckle. 14 ) Prior to op[...]

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    93 b. Retaining Wheel(s) Replacement 1) Discontinue electrical power to the dryer . 2) Remove the four (4) Phillips pan head screws to remove the cover . 3) Remove the hardware (i.e., bolt, lock washer , and flat washer) from the hex nut and weld nut on the wheel mount. 4) Install the new retaining wheel. Reinstall the lock washer then the flat was[...]

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    94 4. Basket (tumbler) Electrical Component(s) a . Basket (tumbler) Thermal Magnetic S tarter (TMS) and Auxiliary Contact Block Replacement 1) Discontinue electrical power to the dryer . 2) Mark and identify the wires that will be removed for proper reinstallation. 3) Set the control of the thermal magnetic starter to the “stop” position. 4) Pr[...]

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    95 1 1) Replace ALL wires removed in S tep #5 (refer to the previous page [ page 94 ]). 12 ) Mount the top of the thermal magnetic starter (TMS) to the top of the din rail and press down and in. Inspect ALL of the work performed. 13 ) Set the control of the thermal magnetic starter to the “start” position. 14 ) Reestablish electrical power to t[...]

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    96 SECTION VI PHASE 7 OPL SYSTEM DIAGNOSTICS IMPOR T ANT : YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPL Y and THE GAS SUPPL Y or THE STEAM SUPPL Y BEFORE ANY COVERS or GUARDS ARE REMOVED FROM THE MACHINE T O ALLOW ACCESS FOR CLEANING , ADJUSTING , INST ALLA TION, or TESTING OF ANY EQUIPMENT per OSHA (Occupational Safety and Health Administrat[...]

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    97 F AN CONT ACT OR F AUL T - The fan contactor was not pulled in. FRONT BURNER HI-LIMIT F AUL T - Indicates the temperature disk in the front burner has opened. REAR BURNER HI-LIMIT F AUL T - Indicates the temperature disk in the rear burner has opened. FRONT BURNER V AL VE F AUL T - Indicates front gas valve is not working or no gas is turned on [...]

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    98 Input/Output (I/O) Board Input Description (Red light emitting diode [L.E.D.]) 1. FDRC – (RED L.E.D.) This L.E.D. will indicate the status of the Front Doors. If the doors are closed, then the L.E.D. is ON. 2. FDRO – (RED L.E.D.) This L.E.D. will indicate the status of the Front Doors. If the doors are open, then the L.E.D. is ON. 3. TBOL ?[...]

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    99 16 . LINT – (RED L.E.D.) This L.E.D. will indicate the status of the Lint Drawer . If the drawer is closed, then the L.E.D. is ON. 17 . 24VM – (RED L.E.D.) Control voltage at the spare inputs. 18 . FVL V – (RED L.E.D.) This L.E.D. will indicate the status of the Front Gas V alve. If the Front Gas V alve is open (ON), then the L.E.D. is ON.[...]

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    100 Input/Output (I/O) Board Output Description (Green light emitting diode [L.E.D.]) 1. R_HEA T – (GREEN L.E.D.) This L.E.D. will indicate the status of the Rear Heat output. If the request to turn on the Rear Heater is made, then the L.E.D. is ON. 2. ALER T – (GREEN L.E.D.) This L.E.D. will indicate the status of the Horn output. If the reque[...]

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    101 17 . OCL5 – (GREEN L.E.D.) This L.E.D. will indicate the status of the Open Collector #5 output. If the request to turn on the Open Collector #5 is made, then the L.E.D. is ON. (Programmable and Defaulted to Rear Down.) 18 . OCL6 – (GREEN L.E.D.) This L.E.D. will indicate the status of the Open Collector #6 output. If the request to turn on[...]

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    102 SECTION VII TROUBLESHOOTING IMPOR T ANT : YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPL Y and THE GAS SUPPL Y or THE STEAM SUPPL Y BEFORE ANY COVERS or GUARDS ARE REMOVED FROM THE MACHINE T O ALLOW ACCESS FOR CLEANING , ADJUSTING , INST ALLA TION, or TESTING OF ANY EQUIPMENT per OSHA (Occupational Safety and Health Administration) ST ANDAR[...]

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    103 NOTE: SPRINKLER MUST HA VE POWER FOR THE DR YER T O OPERA TE. B . Drive motor is not operating ( does not start)... * Microprocessor controller (computer) relay output indicator (either forward “FWD” or reverse “REV”) is on. 1. Blown drive motor contactor overloads. 2. Failed drive motor contactor . 3. Failed drive motor . 4. No 24 V AC[...]

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    104 f . V -belts are too tight. g. Dryer has an oversized load. h. V oltage to the dryer is incorrect...check dryer data label for specified voltage. 2. Failed overload protector ... a . Incorrect overload setting. E . Impellor (fan) motor is not operating ( does not start)... * Micr oprocessor contr oller (computer) input/output (I/O) board “F A[...]

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    105 2. Failed overload protector ... a . Incorrect overload setting. 3. Blown drive motor and blower (fan and impellor) motor fuses or overloads. 4. Failed motors (both blower [fan and impellor] motor and drive motor). 5. Failed microprocessor controller (computer). G . Microprocessor controller (computer) display board light emitting diode (L.E.D.[...]

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    106 5. Front or rear doors are opened during cycle. 6. Failed microprocessor controller (computer) input/output (I/O) board. J . Microprocessor controller (computer) light emitting diode (L.E.D.) displays “Lint Drawer Open.” 1. Lint drawer is not closed ALL the way . 2. Lint drawer switch is out of proper adjustment. 3. Failed lint drawer switc[...]

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    107 2) Failure in drive motor circuit. b. Faulty rotation sensor . c . Broken wire or connection between rotation sensor and microprocessor controller (computer) display board. d. Failure in rotational sensor circuit or magnet missing or gap too large. e . Basket (tumbler) rotation below 12 RPMS. P . Micropr ocessor controller (computer) reads “E[...]

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    108 13 . Steam damper system is not functioning properly (for STEAM MODELS ONLY) ... a . Steam damper sticking closed. b. Leak in pneumatic system. 14 . Undersized load, dryer requires a minimum load size of approximately 125 lbs (57 kg) for maximum drying efficiency . R . Excessive noise and vibration... 1. Dryer is not leveled properly . 2. Impel[...]

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    109 * Tilt to unload. 1. Correct door signals are not present... a . Door open to tilt down. b. Door closed to tilt level. 2. Defective proximity switch. 3. No (external) compressed air to pneumatic switches...80 PSI (5.51 bars) required (1 1 cfh [0.31 cmh]). 4. Lint drawer is open.[...]

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    110 SECTION VIII PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 1. For Models W ith Johnson Controls Direct Spark Ignition (DSI) Module (G760) Theory Of Operation: Start the drying cycle. When the gas burner ignites within the chosen trial for ignition time (6-seconds), the flame sensor detects gas burner flame and signals the DSI module [...]

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    111 2. For Direct Spark Ignition (DSI) System Models Manufactured W ith ADC M odule Part No. 880815 a. Upon completing installation of the replacement DSI module, reestablish power to the dryer . b. Starting the drying cycle. c . The ignition DSI module’ s light emitting diode (L.E.D.) indicator will light “red” for up to approximately 1.5-se[...]

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    ADC 450421 1- 10/03/00-10[...]