Graco Inc. G28C18 manual

Instr uctions-P ar ts Merkur ® Heated Spra y P ac ka g es 313255F ENG For finishing and coating appli cations requiring heated ma terials, in hazardous or non-hazardous locations. For pr ofessional use onl y . See page 5 f or model inf ormation, including maximu m working pressures and appro v als. Important Safety Instru ctions Read all warnings [...]

Related Manua ls 2 313255F Contents Related M anuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Merkur 28:1 Heated P ac kages (G28Wxx and G28Cxx) . . . . . . . . . . . . . . . . 6 [...]

Warnings 313255F 3 Wa r n i n g s The f ollowing w arnings are fo r the setup , use , grounding, maint enance, and rep air of this equipment. The e xclama- tion point symbol ale r ts you to a gener al warning and the hazar d symbol ref ers to proc edure-specific risk. Ref er bac k to these wa r nings . Additional, prod uct- specific wa r nings ma y[...]

Warnings 4 313255F EQUIPMENT MISUSE HAZARD Misuse can ca use death or serious injury . • Do not oper ate the unit when f atigue d or under the influence of drugs or alcohol. • Do not exceed the maximum w orkin g pressure or temperature rating of the lowest rated system component. See T echnical Dat a in all equipment man uals. • Do not lea ve[...]

Models 313255F 5 Models Chec k the identification plat e (ID) f or the 6-digit part number of y our pac kage. Use the f ollowing matrix and tab les to define the compon ents of yo ur pack age. F or e x ample, pa ckage number G30W80 repres ents a Mer kur package (G) , with a 30:1 r atio pump (30) , w all mounting (W) , an d the components sho wn f o[...]

Models 6 313255F Merkur 28:1 Heated P ac ka ges (G28Wxx and G28Cxx) Maximum Inlet Air Pressure: 100 psi ( 0.7 MPa, 7 bar) Maximum Fluid W orking Pressure: 2800 psi (19.3 MP a, 193 bar) Merkur 30:1 Heated P ac ka ges (G30Wxx and G30Cxx) Maximum Inlet Air Pressure: 100 psi ( 0.7 MPa, 7 bar) Maximum Fluid W orking Pressure: 3000 psi (20.7 MP a, 207 ba[...]

Models 313255F 7 Merkur 48:1 Heated P ac ka ges (G48Wxx) Maximum Inlet Air Pressure: 100 psi (0 .7 MP a, 7 bar) Maximum Fluid W orking Pressure: 4800 psi (33.1 MP a, 331 bar) 0 Model Pump Assembly Heater Gun Air Controls Hose Options Maximum Fluid Fl ow Rate gpm (lpm) Wa l l Mount Cart Mount Pump Only Pump and Gun Gun Fluid Hose Gun Fluid Whip Hose[...]

Installation 8 313255F Installation Key: A Air Shutoff V alve (optional accessor y) B Air Filter (optional accessor y) C Air Line Moisture T rap and Drain V alve (optional accessor y) D Fluid Heater E Back Pressure Regulator F Fluid Filter G Fluid Drain V alve HS p r a y G u n J Gun Swivel K Fluid Whip Hose L Electrically Cond uctive , Air and Heat[...]

Installation 313255F 9 General Inf ormation F IG . 1 is only a guide f or selecting and installing system components and accessories . Contact you r Graco dis- tributor f or a ssistance in designing a system to suit your par ticula r needs. Prepare the Operator All persons who oper ate the equipment must be tr ained in the opera tion of all system [...]

Installation 10 313255F Supplied Components See F IG . 1. Components vary b y pac kage ordere d. See tab les on pages 6 to 7. Y our package ma y include: • The red-h andled bleed-type master air valve (U) is required in your syste m to reliev e air trapped between it and the air moto r and gun when the v a lve is closed. Do not block access to th[...]

Installation 313255F 11 Gr ounding The equipment m ust be ground ed. Grounding reduce s the risk of static and electric shock b y provid ing an escape wire f or the electrical curren t due to static b uild up or in the e v ent of a sh or t circuit. 1. Pump: See F IG . 2. V erify that the g round scre w (GS) is attached and t ightened secure ly to t[...]

Installation 12 313255F Electrical Housing Access Tilt the heater a wa y from the pump f or easier access to the scre ws on the cov e r of the electrical housing. Hose Connections See F IG . 1, page 8. 1. Attach one end of the air hose t o the gun air regula- tor (T , G40 spra y guns only). 2. Attach the other e nd of the air hose to t he air inlet[...]

Operation 313255F 13 Operation Pressure Relief Pr ocedure 1. Enga ge the tr igger lock. 2. See F IG . 1. T ur n off the b leed-type ma ster air v alv e (U). 3. Disengage the trigger loc k. 4. Hold a metal par t of the gun firmly to a grounded metal wast e container . T rigger the gun to relie v e fluid pressu re. 5. Enga ge the tr igger lock. 6. Op[...]

Operation 14 313255F We t C u p Bef ore star ting, fill wet cup 1/3 full with Graco Throat Seal Liquid (TSL) or compatible solv ent. Prime the Pump 1. See F IG . 1. Lock gun trigger. Remo ve tip guard and spra y tip from gu n (H). Refer to gun manual. 2. Close gun air regulator (T) an d pump air regulator (X) b y tur ning knobs counterclockwise red[...]

Operation 313255F 15 Adjust the Atomization 1. Do not turn on atomizing air supply . Fluid pressure is controlled b y the air pressur e supplied to the pump (pump a ir regulator) . Set fluid pressure at low star ting pressure. F or low viscosity fluids (less than 25 sec, #2 Zahn cup) with lo wer percent solids ( typi- cally less than 40%), star t a[...]

Operation 16 313255F 3. See F IG . 7. For narrower patter n, tu r n patter n adjustment v alv e knob (AA) countercloc kwise (out). If pattern is still not nar row enough, increase air pressure to gun slightly or use different size tip . Shutdown F ollow Pressure Re lief Pr ocedure , p age 13. Alwa ys flush t he pump bef ore t he fluid dries on the [...]

Maintenance 313255F 17 Maintenance Preventive Maintenance Schedule The oper ating conditio ns of y our particular system determine how often maintenance is req uired. Estab lish a prev entive maintenance sched ule by recording when and what kind of maintena nce is needed, and then deter mine a regular schedule f or checking y our system. Replace le[...]

Troubleshooting 18 313255F T roub leshooting NO TE: Check all possible prob lems and causes before disassemb ling the pump . F * T o deter mine if the fluid hose or gun is obstructed, relie v e the pressure. Disconnect the fluid hose and place a con- tainer at the p ump fluid outlet to catch an y fluid. T ur n on the air just e nough to star t the [...]

DataTrak Controls and In dicators 313255F 19 DataT rak Contro ls and Indicators Key for F IG . 8 AA Runaw a y Limit, in cycles per min ute (user settable; 00=OFF) AB Lower Displacement (user settab le) A C Flo w Rate Units (user settable to gpm [US], gpm [Imperial], oz/min [US], oz/min [Imperial], l/min, or cc/min) AD LED (f ault indicator when lit[...]

DataTrak Operation 20 313255F DataT rak Operation NO TE: The displa y (AE) will tur n off after 1 minute to sav e batter y life . Press any ke y to wake up the display . Setup Mode 1. See F IG . 8. Press and hold f or 5 seconds until Setup menu appears . 2. T o enter se ttings f or runa wa y (i f equipped), lo wer size , and flo w rate unit s, and [...]

DataTrak Operation 313255F 21 Prime/Flush 1. See F IG . 8. T o enter Prime/Flush mode , press an y ke y to wake up the display , th en press . The Prime/Flush symbol will app ear in the displa y and the LED will flash . 2. While in Prime/Flush mode, runaw a y protect ion is disabled and the batch to taliz er (BT) will not count. The gr and totalize[...]

DataTrak Operation 22 313255F T able 1:Dia gnostic Codes Symbol Code Code Name Diagnosis Cause Runawa y (DataT rak only) Pump running faster than set runawa y limit. • I ncreased air pressure. • Increased fluid output. • Exhausted fluid supply . E-1 Diving Up Leak during upstroke . W orn piston va lv e or packi ngs. E-2 Diving Down Leak durin[...]

DataTrak Operation 313255F 23 Replace DataT rak Battery or Fuse Replace Battery 1. Unscrew cab le from the bac k of the reed s witch assembly . See F IG . 10 . 2. Re mov e the cable from the two cable clips. 3. Re mov e DataT rak modu le from brack et. See F IG . 11. T ake module and att ached cable t o a non-haz- ardous location. 4. Remov e two sc[...]

Parts 24 313255F Pa r t s NO TE: P ar ts v ar y by model. See P ar ts Lists on pages 26 to 28. 64 67 67 63 62 66 84 64 1 60 61 75 69 70 71 72 4 5 83a 83b 6 74 73 81 82 77 2 3a 3b ti13018a (wall mount models) (cart mount models) 48 76 G48xxx Models G28xxx and G30xxx Models 85 86 77 76 76[...]

Parts 313255F 25 65 9 22 10 8 G40 Gun Shown ti13111a ti13143a ti13114a 16 16 Non-Hazardous Loca tion Electrical Cord Parts (120V Cart Mount Only) 79 80 65 49 54 53 68 ti13261a 60 60 78 (120V only) 50 51[...]

Parts 26 313255F G28xxx Models ----- Not sold separately . NO TE: Replacement W arni ng labels, signs, tags, and cards are av ailable at no cost. Ref. No. P art No. Description Qty . 1 W28EAS W28EBS PUMP ASSEMBL Y M18LN0 x L W125A M18L T0 x L W125A 1 2 24A583 24A581 P ANEL, air controls Pump only (see page 31) Pump and gun, see page 30 1 3a 24A576 [...]

Parts 313255F 27 G30xxx Models ----- Not sold separately . NO TE: Replacement W arni ng labels, signs, tags, and cards are av ailable at no cost. Ref. No. P art No. Description Qty . 1 W30CAS W30CBS PUMP ASSEMBL Y M12LNO x L W075A M12L T0 x L W075A 1 2 24A583 24A581 P ANEL, air controls (includes 3b , 42, and 43) Pump only , see page 31 Pump and gu[...]

Parts 28 313255F G48Wxx Models ----- Not sold separately . NO TE: Replacement W arni ng labels, signs, tags, and cards are av ailable at no cost. Ref. No. P art No. Description Qty . 1 W48CAS W48CBS PUMP ASSEMBL Y M18LNO x L W075A M18L T0 x L W075A 1 2 24A581 P ANEL, air controls, pump an d gun (includes 3b , 42, and 43; see page 30 ) 1 3a 24A576 D[...]

Kits 313255F 29 Kits W all Mount Kit 24A578 NO TE: Mountin g Ar ms Kit 24A372 (P ar t 49, see page 26 or 27) also is required f or w all mounting a pac kage that has a control pa nel. Heated Car t Mount Kit 256427 102 101 ti12633a Ref No. Description Qty . 101 W ALL PLA TE, kit, includes screws 1 102 S CREW (included with 101) 4 201 202 209 203 207[...]

Kits 30 313255F Pump and Gun Contr ol P anel Kit Kit 24A581 301 302 303 304 305 306 307 308 312 314 317 309 308 304 310 316 ti13565a 311 307 313 319 321 303 ti13467a 315 Ref. P art Description Qty . 301 114362 V AL VE, ball 1 302 15T643 SWIVEL, tee , 3/8 npt(m) x 1/2T 1 303 ----- TUBE, 1/2 OD , cut to fit, order T ubing Kit 24D496 1.3 ft. 304 12121[...]

Kits 313255F 31 Pump Onl y Contr ol P anel Kit Kit 24A583 301 303 314 317 326 311 305 304 310 313 306 307 308 304 ti13567a Ref. P art Description Qty . 301 114362 V AL VE, ball 1 303 ----- TUBE, 1/2 OD , cut to fit, order T ubing Kit 24D496 1.5 ft. 304 121212 ELBO W , s wiv el, 1/2T x 3 /8 npt(m) 2 305 15T536 REGULA T OR, air , 3/8 npt 1 306 15T937[...]

Kits 32 313255F DataT rak Kits Kit 24A576 (with Runawa y Pr otection) ----- Not so ld separately . ▲ Replacement W arning labels, signs , tags , and cards are av ailable at no cost. Kit 24C580 Replacemen t DataT rak fuse. Kit 24A592 (with Cycle Count Onl y) Optional con v ersion kit av ailab le f or pac kages with MxxLN0 air mo tors (air valv es [...]

Wall Bracket Moun ting Dimensions 313255F 33 W all Brac ket Mounting Dimensions Te c h n i c a l D a t a Maximum fluid working pres sure . . . . . . . . . . . . . . . See Models tab le on page 5. Maximum pump air inlet pressure . . . . . . . . . . . . . . 100 p si (0.7 MPa, 7.0 bar) Maximum gun w orking pressure . . . . . . . . . . . . . . . 100 ps[...]

All written and visual data contained in this document reflects the latest product information available at the time of publica tion. Graco reserves the right to make changes a t any time without notice. Original instructions. Thi s manual contains Eng lish. MM 313255 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Kor[...]