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DeVillbiss Air Power Company LM7580V2C manual

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Table of contents for the manual

  • Page 1

    OWNERS MANUAL FOR TWO-ST AGE AIR COMPRESSOR Model No. LM7580V2C Model No. Horsepower Voltage/Hertz/Phase Minimum Branch Circuit Requirement *Fuse Type Air Tank Capacity Approximate Cut-in Pressure Approximate Cut-out Pressure SCFM @ 175 PSIG Magnetic Starter LM7580V2C 7.5 240V/60 Hz/ 1 Ph. 30 Amp Fusetron Type "T" 80 Gal. ASME 145 PSIG 17[...]

  • Page 2

    2—ENG T ABLE OF CONTENTS Page Page SAFETY GUIDELINES .................................. 2 WARNING CHART ........................................ 3 - 4 SPECIFICATIONS ......................................... 5 GLOSSARY .................................................... 5 DUTY CYCLE ................................................ 5 GENERAL INFO[...]

  • Page 3

    3—ENG RISK OF BURSTING RISK OF EXPLOSION OR FIRE AIR TANK THE FOLLOWING CONDITIONS COULD LEAD TO A WEAKENING OF THE TANK, AND RESULT IN A VIOLENT TANK EXPLOSION: 1. FAILURE TO PROPERLY DRAIN CONDENSED WATER FROM THE TANK, CAUSING RUST AND THINNING OF THE STEEL TANK. 2. MODIFICATIONS OR ATTEMPTED REPAIRS TO THE TANK. 3. UNAUTHORIZED MODIFICATIONS [...]

  • Page 4

    4—ENG HAZARD RISK OF ELECTRICAL SHOCK RISK FROM FLYING OBJECTS RISK TO BREATHING RISK FROM MOVING PARTS RISK OF BURNS WHAT CAN HAPPEN YOUR AIR COMPRESSOR IS POWERED BY ELECTRICITY. LIKE ANY OTHER ELECTRI- CALLY POWERED DEVICE, IF IT IS NOT USED PROPERLY IT MAY CAUSE ELECTRIC SHOCK. REPAIRS ATTEMPTED BY UNQUALIFIED PERSONNEL CAN RESULT IN SERIOUS [...]

  • Page 5

    5—ENG Refer to cover page for the specifications of your compressor. Use only a fuse or circuit breaker that is the same rating as the branch circuit the air compressor is operated on. If the compressor is connected to a circuit protected by fuses, use dual element time delay fuses, as noted in specification chart. SPECIFICA TIONS GLOSSARY CFM: C[...]

  • Page 6

    6—ENG GENERAL INFORMA TION You have purchased a complete compressor outfit consisting of an air compressor, air tank, electric motor, and associated controls and instruments. The outfit you have selected is a stationary model and contains a two stage air compressor pump. Your new compressor outfit can be used for operating paint sprayers, air too[...]

  • Page 7

    7—ENG DESCRIPTION OF OPERA TION to restart freely. When the motor stops running, air will be heard escaping from the valve for a few seconds. No air should be heard leaking when the motor is running. Pressure Switch: The pressure switch automatically starts the motor when the air tank pressure drops below the factory set "cut-in" pressu[...]

  • Page 8

    8—ENG INST ALLA TION AND BREAK-IN PROCEDURES This compressor should be permanently mounted in place on a level floor. Operate the air compressor in a clean, dry and well ventilated area. The air intake filter must be kept clear of obstructions which could reduce air delivery of the air compressor. The air compressor should be located at least 12&[...]

  • Page 9

    9—ENG INST ALLA TION AND BREAK-IN PROCEDURES Wiring Instructions If your compressor unit is not equipped with a plug-in type power cord, perform electrical wiring according to the following instructions: IMPROPER ELECTRICAL GROUNDING CAN RESULT IN A RISK OF ELECTRICAL SHOCK. WIRING SHOULD BE DONE BY A LICENSED ELECTRICIAN IN ACCORDANCE WITH NA- T[...]

  • Page 10

    10—ENG INST ALLA TION AND BREAK-IN PROCEDURES Break-In Procedures Additional Regulators and Controls Multi-viscosity motor oils like 10W30, should not be used in an air compressor. They leave carbon deposits on critical compo- nents, thus reducing performance and com- pressor life. Use air compressor oil only. See page 14 for oil recommendations.[...]

  • Page 11

    11—ENG INST ALLA TION AND BREAK-IN PROCEDURES Piping Note For underground installation, bury air lines below the frost line and avoid pockets where condensation can gather and freeze. Apply pressure before un- derground lines are covered to make sure all pipe joints are free from leaks. Plastic or PVC pipe is not designed for use with compressed [...]

  • Page 12

    12—ENG OPERA TING PROCEDURES 1. Before attaching an air hose or accessory, make sure the outlet valve is in the closed position. On units equipped with a pressure switch lever make sure the switch is in the OFF position. Compressed air from the outfit may contain water condensation and oil mist. Do not spray unfiltered air at an item that could b[...]

  • Page 13

    13—ENG MAINTENANCE UNIT CYCLES AUTOMATICALLY WHEN POWER IS ON. DURING MAINTENANCE, YOU COULD BE EXPOSED TO VOLTAGE SOURCES, COMPRESSED AIR OR MOVING PARTS. PERSONAL INJURIES CAN OCCUR. DISCONNECT POWER SOURCE AND BLEED OFF ALL AIR TANK PRESSURE BEFORE DOING ANY MAINTENANCE OR REPAIR. NEVER OPERATE THE UNIT WITH THE BELT GUARD REMOVED. To ensure e[...]

  • Page 14

    14—ENG SERVICE INSTRUCTIONS A dirty air filter will not allow the compressor to operate at full capacity. Before you use the compressor, check the air filter to be sure it is clean. If it is dirty, replace it with a new filter. Air Filter - Inspection and Replacement NOTE Keep the air filter clean at all times. Do not operate the compressor with [...]

  • Page 15

    15—ENG SERVICE INSTRUCTIONS 6. Check that the valve disc moves freely and that the spring holds the disc in the upper, closed position. The check valve may be cleaned with a solvent. 7. Apply sealant to the check valve threads. Reinstall the check valve. Do not overtighten. 8. Replace the outlet tube and tighten top and bottom nuts. Do not overti[...]

  • Page 16

    16—ENG SERVICE INSTRUCTIONS Adjusting Belt T ension Adjust belt tension as described below. For compressors with a motor slide mount, adjust belt tension as follows: 1. Slide motor away from compressor until desired tension is obtained. On two stage compressors, the belt should deflect 1/2" at midway between the pulley and the flywheel. 2. T[...]

  • Page 17

    17—ENG SERVICE INSTRUCTIONS Additional Service Disassembly or service of the air compressor beyond what is covered in this manual is not recommended. STORAGE OF COMPRESSOR OUTFIT 1. Review the Maintenance section on the preceding pages and perform scheduled maintenance as nec- essary. Drain the water from the air tank. 2. Turn compressor off and [...]

  • Page 18

    18—ENG CAUSE CORRECTION PROBLEM TROUBLESHOOTING GUIDE PERFORMING REPAIRS MAY EXPOSE VOLTAGE SOURCES, MOVING PARTS OR COMPRESSED AIR SOURCES. PERSONAL INJURY MAY OCCUR. PRIOR TO ATTEMPTING ANY REPAIRS, DISCONNECT POWER SOURCE FROM THE COMPRESSOR AND BLEED OFF ALL TANK AIR PRESSURE. Excessive tank pressure - safety valve pops off (units with ON- AU[...]

  • Page 19

    19—ENG CORRECTION CAUSE PROBLEM TROUBLESHOOTING GUIDE Motor will not run. Motor overload protection switch has tripped. Let motor cool off and reset switch by pressing the red button located on the end of the motor. If the overload still trips, check for defective capacitor. Tank pressure exceeds pressure switch "cut-in pressure". Motor[...]

  • Page 20

    20—ENG CORRECTION CAUSE PROBLEM TROUBLESHOOTING GUIDE Compressor is not supplying enough air to operate accesso- ries. (Continued) Loose belt. Hole in hose. Check and replace if required. Check valve restricted. Adjust belt tension. Remove and clean or replace. Tighten fittings. (See "Air Leaks" section of "Trou- bleshooting Guide&[...]

  • Page 21

    21—ENG TROUBLESHOOTING GUIDE PROBLEM CAUSE CORRECTION Too many motor starts per hour. Consult Service Center. Check electrical hookup and installation data or con- sult electrician. Improper wiring gauge. Incorrect voltage. Water in pump crankcase; oil appears milky in color. Liquid water or moisture in air lines. Humid operating conditions. Relo[...]

  • Page 22

    22—ENG COMPRESSOR DIAGRAM 10 4 3 5 6 1 2 8 11 7 13 9, 12 16 17 15 14 18[...]

  • Page 23

    23—ENG COMPRESSOR P ARTS LIST Key Part No . Number Description 1 BAL-T39 PUMP ASSEMBLY 2 MO-9071 MOTOR 3 DAC-278-1 PRESSURE SWITCH 4 TIA-4200 SAFETY VALVE 5 GA-360 PRESSURE GAUGE 6 SSV-6 BALL VALVE 7 SS-2707 DRAIN VALVE 8 AC-0511 INSIDE BELTGUARD AC-0523 OUTSIDE BELTGUARD 9 SSF-953-ZN BELT GUARD SCREW (2 used) 1 0 PU-2898 MOTOR PULLEY 11 BT - 3 1[...]

  • Page 24

    24—ENG COMPRESSOR PUMP DIAGRAM[...]

  • Page 25

    25—ENG PUMP P AR TS LIST Key Part No. Number Description 1 AC-0454 AI R I N LET ELBOW 2 BAL-1000345 VA L VE P L AT E 3 BAL-1000306 O ILSIGHT GLASS 4 BAL-1000519 OI L FILL PLUG 5 BAL-1000269 OIL PLUG GASKET 6 BAL-1000112 OIL BREATHER ASSEMBLY 7 SSP-525 DRAIN PLUG 8 AC-0436 FLYWHEEL 9 BAL-1000587 FLYWHEEL BOLT 10 BAL-1000417 FLYWHEEL WASHER 11 AC-0[...]

  • Page 26

    26—ENG Assembly Consists Of : 1 . Filter Assembly 2 . Black Threaded Elbow 3 . Elbow Bolts (2) T o Install Air Filter: Attach elbow to pump using bolts provided. Tighten until snug. Insert threaded end of air filter assembly into elbow and tighten until snug. Do not operate compressor without air filter assembly installed as this will cause damag[...]

  • Page 27

    27—ENG LIMITED W ARRANTY ONE YEAR FROM DA TE OF PURCHASE All merchandise manufactured by DeVilbiss Air Powe r Company is warranted to be free of defects in workmanship and material which occur during the first year from the date of purchase by the original purchaser (initial user). Products covered under this warranty include: air compressors, *a[...]

  • Page 28

    OWNERS MANUAL FOR TWO-ST AGE AIR COMPRESSOR Model No. LM7580V2C DeVilbiss Air Power Company • 213 Industrial Dr. • Jackson, TN 38301-9615 WARRANTY This product is covered by the DeVilbiss one year limited warranty. The warranty can be found in this General Manual or is available upon request. Attach Sales Receipt here. Retain Original Sales Rec[...]