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Graco 332245E - page 1
332245 E EN Instructions-Parts Merkur ® High Pressure Sprayer For protective coating applica tions in hazar dous or non-hazardous locations. For professional use only. See page 2 for mod el infor mation, in cluding maximum workin g pr essure s. Important Safety Instructions Read all warnings and i nstruction s in this manua l. Save thes e instruc ...
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Graco 332245E - page 2
Relate d Manual s 2 332245E Contents Related Manua ls . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Merkur X 48 Package . . . . . . . . . . . . . . . . . . . . . 3 Merkur X 72 Package . . . . . . . . . . . . . . . . . . . . . 3 Bare Pa ckage . . . . . . . . . . ...
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Graco 332245E - page 3
Models 332245E 3 Models Merkur X48 Package Merkur X72 Package Bare Package Bare pac kages d o not includ e a gun or hose. Maximum Recommended Tip Size Part Gun Hoses Accesso ries Maximum Inle t Air Pressu re psi (MPa, bar) Maxim um Fluid Working Pressu re psi (MPa, bar) Maximum Fluid Flow Rate gpm (lpm) Gun Tip Size Gun Fluid Hose Gun Fluid Whip Ho ...
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Graco 332245E - page 4
Warnings 4 332245E Warnings The foll owing warni ngs are for the setup , use, ground ing, main tenance, a nd repair o f this equ ipment. The exclama - tion po int symbol alerts yo u to a gener al warning and the haz ard symb ols refer to procedur e-specif ic risks. W hen these sy mbols appear in t he body o f this m anual or on warning labels, re f ...
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Graco 332245E - page 5
Warn ings 332245E 5 EQUIPMENT MISUSE HAZARD Misuse can caus e death or serious injury. • Do no t operate the unit when f atigued or u nder the infl uence of d rugs or alco hol. • Do n ot exceed the maximum working pr essure o r temperature rating of the lowes t rated sys tem compo nent. See Technical Data in all equip ment manua ls. • Use fl ...
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Graco 332245E - page 6
Inst allation 6 332245E Installa tion Key: A Air Shu toff Valve (option al acces sory) B Air Filter (opt ional acces sory) C Bleed Type Ma ster Air Valv e D Pump Air Pr essure Gauge E Pump Air Pr essure Regula tor FC a r t G Fluid D rain Valv e HS p r a y G u n J Gun Flu id Supply Hose K Whip Hose L Pump Flui d Outlet M Groundin g Wire NW e t - C u ...
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Graco 332245E - page 7
Installa tion 332245E 7 General Inform ation NOTE: Reference numb ers and letters in par entheses in the text refer t o the call outs in t he figures. NOTE: Always use G enuine Grac o Parts an d Accesso - ries, ava ilable from your Gr aco dist ributor. If y ou suppl y your own access ories, be sure the y are adequa tely sized a nd pressur e-rated f ...
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Graco 332245E - page 8
Inst allation 8 332245E Grou ndin g 1. Pump: See F IG . 2. Ver ify that the g round scr ew (MS) is attached a nd tightene d securely t o the air motor. Con nect the othe r end of the groun d wire (M) to a true earth ground . 2. Pump f luid hoses : use only e lectrical ly conduc tive fluid hos es. Check e lectrica l resistance of hoses. If total res ...
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Graco 332245E - page 9
Operatio n 332245E 9 Operation Pressure Relief Procedure Follow the Pressu re Relief Proc edure whene ver you see this symbo l. 1. Engage th e trigger lock. 2. See F IG . 1. Turn off the ble ed-type mas ter air valv e (C). 3. Disengag e the trig ger lock. 4. Hold a meta l part of the gun firm ly to a gr ounded metal waste contai ner. Trigger the gu ...
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Graco 332245E - page 10
Operati on 10 332245E Flush Flush the pump: • Before fi rst use • When c hanging colors or fl uids • Befor e repairi ng equipment • Befor e fluid dries or settles ou t in a dor mant pump (check th e pot life of catalyze d fluids ) • At the end of the day • Before s toring the p ump. Flush at th e lowest pre ssure possibl e. Flush with a ...
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Graco 332245E - page 11
Operatio n 332245E 11 7. Place d rain tube in a grounde d waste pa il. Open dra in/purge va lve (S) s lightly by rot ating coun - tercloc kwise. 8. Start the pump by rot ating the a ir regulator adjust- ment knob (E) cloc kwise unti l pump begi ns to move. 9. When cl ean solv ent flows from drain tube close drain/pu rge valve ( S) by rota ting cloc ...
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Graco 332245E - page 12
Operati on 12 332245E 6. Prime t hrough drain v alve: 7. Place d rain tube in a grounde d waste pa il. Open dra in/purge va lve (S) s lightly by rot ating coun - tercloc kwise. 8. Start the pump by rot ating the a ir regulat or adjust- ment knob (E) cloc kwise unti l pump begi ns to move. 9. When cl ean material fl ows from dr ain tube clo se drain ...
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Graco 332245E - page 13
Operatio n 332245E 13 Spray 1. Prime. See Prime , pag e 11. 2. Follow Pressure Re lief Proced ure , page 9. 3. Install t ip and tip guard on gun . 4. Open ble ed type m aster ai r valve (C ). 5. Turn reg ulator ad justment knob (E ) until gaug e (D) reads d esired pressur e. Turn c lockwise to i ncrease pressu re, counter clockwis e to decr ease pr ...
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Graco 332245E - page 14
Maint enanc e 14 332245E Maintenanc e Preventive Maintenance Schedule The oper ating co nditions of your parti cular sy stem determin e how often mainte nance is requi red. Establis h a preve ntive mainte nance sche dule by rec ording when and what k ind of mainten ance is nee ded, and the n determin e a regul ar schedu le for checki ng your system ...
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Graco 332245E - page 15
Troubles hooting 332245E 15 Troubleshoot ing NOTE: Check all p ossible prob lems and causes before disas sembling th e pump. * To dete rmine if t he fluid hose or gun is ob structed , relieve the pr essure. Dis connect the fl uid hose and place a c on- tainer a t the pump fluid outlet to catch any fluid. Tu rn on the ai r just enough to sta rt the ...
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Graco 332245E - page 16
Repair 16 332245E Repair General Inform ation • Ref erence numb ers and lett ers in pa ren theses i n the text r efer to the c allouts in the figure s and the parts draw ing. • Alway s use Gen uine Gr aco Parts and Acces sories, availab le from you r Graco dis tributor. I f you supply your own access ories, be sure the y are adequa tely sized a ...
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Graco 332245E - page 17
Repair 332245E 17 Reconnect th e Displacement Pump 1. Tilt the ai r motor onto its bac k, then han d turn the displac ement pum p into the a dapter plate . Set the pump u pright again . 2. Hold the a ir motor p iston rod up wi th one han d. With your oth er hand, p ut the coupli ng nut (1 06) on the displac ement rod. 3. Put the coupling collar s ( ...
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Graco 332245E - page 18
Repair 18 332245E Disconnect th e Air Motor 1. Flush the p ump, if po ssible. See Flush , page 10. Relieve the pres sure. See Pressu re Relief Pr oce- dure , page 9. 2. Disconn ect the air hose, fluid hos es, and the ground wire (109). 3. Hold the fl ats of the air motor piston rod with a wrench. Use ano ther wrench to loos en the coupling nut (106 ...
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Graco 332245E - page 19
Repair 332245E 19 ...
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Graco 332245E - page 20
Parts 20 332245E Parts System Packages Apply stainless steel pipe sealant to all non-swiveling pipe threads. 1 17 16 3 2 10 19 18 9 11 14 4 5 6 7 8 1 12 13 15 ti2111 8a 23 ...
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Graco 332245E - page 21
Parts 332245E 21 Syste m Packages * Pa rts inclu ded in Drain Valve K it 16U950 (pu rchase s eparately) . Ref Part Description Quantity System P ackages Bare Packag es 16U918, Merkur X72 72:1, 50 cc 16U920, Merkur X4 8 48:1 , 75c c 16V1 74, Merkur X72 72:1, 50 cc 16V17 5, Merkur X48 48:1, 75 cc 1 ----- SYSTE M, pump, 48:1; see pa ge 22 1 1 ----- SY ...
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Graco 332245E - page 22
Parts 22 332245E Pump System Parts 101 102 110 ti2111 9a Torque to 50-55 ft-lb (68-75 N•m). 1 Torque to 50-60 ft-lb (68-81 N•m). 2 Torque to 75-80 ft-lb (102-108 N•m). 3 Assemble pump (102) to top of wit hin +/- one thread. Torque jam nut of pump to 70-75 ft-lb (95-102 N•m). 4 105 104 103 106 107 108 109 1 2 3 4 ...
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Graco 332245E - page 23
Parts 332245E 23 16V175 , Merkur X48 Pump System 16V174 , Merkur X72 Pump System Cart Mount Kit 28 9694 Ref. Part Descrip tion Qty. 101 M18LN0 MOTOR, air, 7.5 in 1 102 16U916 LOWE R, assy, 50cc; 16V174 1 16U917 L OWER, ass y, 75cc; 16V 175 1 103 15T392 ADAPT ER, pump lowe r 1 104 15M662 ROD, tie 3 105 15U606 NUT, lock, m16 x 2 3 106 15T311 NUT, cou ...
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Graco 332245E - page 24
Parts 24 332245E Pump Only Cont rol Panel Kits 16U948, X48 Air Control Kit 16U947, X72 Air Control Kit ti1356 7a 301 303 314 317 326 311 305 304 310 313 306 307 30 8 304 ti1356 7b 327 319 321 303 ti13468 a Ref. Part Descr iption Qty. 301 11436 2 VALVE , ball 1 303 ----- TUBE, 1/2 OD , cut to fit, order T ubing Kit 24 D496 1.5 ft. 304 121212 ELBO W, ...
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Graco 332245E - page 25
Repair Kit s 332245E 25 Repair K its Accessori es Fluid Outlet Filter, 16V583 Description Sprayer Models Merkur X48 Me rku r X72 Drain Valve Kit Includes te e fitting ( 11), bleed valve (12) , barbed fittin g (13), and n ylon tube ( 14). 16U950 16U95 0 Displacement Pump Rebuil d Kit See manua l displ acement pump manual. 16U925 16U92 4 XTR Gun Repa ...
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Graco 332245E - page 26
Performance Charts 26 332245E Perfor mance Chart s Calculate Fluid Outlet Pressure To calcu late fluid o utlet press ure (psi/MP a/bar) at a spe- cific fl uid flow (g pm/lpm) and operating air pressu re (psi/MP a/bar), use th e followi ng instruc tions and pum p data char ts. 1. Locate de sired flow a long botto m of chart. 2. Follow ve rtical lin ...
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Graco 332245E - page 27
Performan ce Charts 332245E 27 Merkur X72 72:1 Ratio, 50 cc/cyc le Cycles per Minute 0 0 Fluid Flow gpm (lpm) tested in No. 10 weight oil Fluid Outlet Pressure psi (MPa, bar) Air Flow scfm (m 3 /min ) 0.2 (0.75) 0.4 0.6 0.8 (1.5) (2. 3) (3.0 ) 15 30 45 61 1000 (7, 70) 3000 4000 5000 6000 (14, 140) (21, 210) (28, 280) (35, 35 0) (42, 420) 2000 20 40 ...
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Graco 332245E - page 28
Dime nsions 28 332245E Dimensions 38.6 in. 18 in. 20.5 in . (457 mm) (521 mm ) (980 mm) ...
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Graco 332245E - page 29
Technica l Data 332245E 29 Technical Da ta Merkur High Pressu re Sprayer s US Metric Maximum pump air in let pres sure 100 psi 0.7 MPa, 7 bar Ambient a ir tempera ture range 35°–120°F 2°–49°C Maximum fluid tem perature 160°F 71°C Sound data See Merkur Air Motor T echnical Data Weig ht 99 lb 45 kg Maximum fluid working pressure 16U920, 16V ...
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Graco 332245E - page 30
All written and v isual data contained in this document r eflects the lat est product information available at t he time of publica tion. Graco reserves the right to make changes at any time without notice. This manual co ntains English. MM 332245 Graco Hea dquarters: M inne apolis Internati onal Offices : Belgium, C hina, Ja pan, Korea GRACO INC. ...
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