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Troubleshooting

3Z9478A

35

Problem

Cause

Solution

Pump cycles but pressure does 
not build up.

Pump not primed.

Prime pump, page 15.

Inlet screen clogged.

Clean debris off inlet screen

Suction tube not immersed.

Reposition suction tube in bottom of paint pail.

Paint pail empty.

Refill paint pail and reprime sprayer.

Suction tube has vacuum air leak.

Tighten suction tube connection. Inspect for cracks or 
vacuum leaks. If cracked or damaged, replace.

Pump check valves are dirty or 
damaged.

Return sprayer to Graco/M

AGNUM

 authorized service 

center.

Prime/Spray valve worn or 
obstructed with debris.

Pump check ball stuck.

See “Pump will not prime” section of Troubleshooting 
table, page 34.

Cannot pull gun trigger.

Gun trigger safety engaged.

Remove gun trigger safety

Gun stops spraying.

Spray tip clogged.

1 Turn arrow-shaped handle to unclog position.
2 Aim gun into waste pail.
3 Squeeze trigger.
4 Return arrow-shaped handle to spray position 

and begin spraying.

Pump cycles but paint only 
dribbles or spurts when trigger is 
pulled.

Pressure is set too low.

Turn pressure control knob right to increase pressure.

Spray tip clogged.

Clean tip. See “Gun stops spraying” section of 
Troubleshooting table, page 34.

Spray tip too large or worn.

Replace tip.

Gun filter clogged.

Clean or replace gun filter, page 48.

InstaClean fluid filter is clogged.

Clean or replace InstaClean fluid filter, page 47.

Pump check ball stuck.

See “Pump will not prime” section of Troubleshooting 
table, page 34.

Pressure set at maximum, but 
cannot achieve good spray 
pattern.

Tip is too large for sprayer.

Select smaller tip, Tip Hole Size, page 30.

Tip is worn beyond capability of 
sprayer.

Replace tip.

Gun filter clogged.

Clean or replace gun filter, page 48.

Inlet screen clogged.

Clean debris off inlet screen.

Pump valves worn.

Check for worn pump valves:

1 Prime sprayer with paint.
2 Trigger gun momentarily. When trigger is 

released, pump should cycle and stop.

3 If pump continues to cycle, pump valves may be 

worn.

4 Return sprayer to Graco/M

AGNUM

 authorized 

service center.

InstaClean fluid filter clogged.

Clean or replace InstaClean fluid filter, page 47.

Extension cord too long or not 
heavy enough gauge.

Replace cord, Grounding and Electrical Requirements, 
page 10.

Summary of Contents for 232751

Page 1: ...S zt Bc Bu Models 232751 232752 232753 Series A B Bc Maximum Working Pressure B B L 207 bar 21 MPa 3000 PSI Includes B 1 44 lpm 0 38 gpm cart mount sprayer 2 55 mqn 1 49 hqn SPVVB BJRPUZB KB B B SG3E A gun TH4F0B 041 1 8 uiUgQcB BOB QUR R Y 0 635 cm 1 4 in x 15 2 m 50 ft hose 1 746 dn 205 jo y 26 3 n 61 gu RPXUWB BJSQVB KB BSWPTB BJWRB KB ti2017a ...

Page 2: ...PBPBPB ST Setup B PBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPB SV Priming BBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPB SW Spraying Techniques B B PBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPB SY Cleanup B PBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPB TR Troubleshooting 34 49 B B BPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBPBP...

Page 3: ... prongs must be intact on sprayer and extension cords Keep electrical connections and inside of shroud dry Avoid contact with power lines Use outdoors or in well ventilated area Sprayer should be at least 6m 20 ft from gun when spraying or flushing If there is any static sparking while using equipment stop spraying immediately Identify and correct the problem Avoid all ignition sources such as pil...

Page 4: ... NB NB B B B B B P B B B B B B B B P OB B B B P OBU B B B P OB B B B B B B B P B B B B B B B P B B P B B B B B P B B B B BXB JTRB KB B B P B B B B B B B B B B B B B B P NB NB B J B B KB B B B B B B B P B B B B B B NB B B B P i B B B B PB ...

Page 5: ...specific hazards of fluid being used Read fluid manufacturer s warnings Wear appropriate protective clothing gloves eyewear and respirator Fluid Injection Hazard If high pressure fluid pierces skin the injury might look like just a cut but it is a serious wound Get immediate medical attention To help prevent injection Always engage trigger safety when not spray ing Always shut off power and reliev...

Page 6: ... B B B B B P B B B B B B B B B B B B B P B B B B B B B B B B B B B B B B B B P B B B B B B P B NB B NB B B B P B B B B B B B B B B B B B B B PB B B B B B PB B B B B B B B B PB B B B B B B B B B B B B B B B B PB B B B P B B B B P B B B B B B B P B B B B B B B B B B B B PB B B B B B B B P ...

Page 7: ...pur pose Do not alter or modify equipment Do not exceed maximum working pressure of lowest rated system component Do not modify extension tube or roller frame or use parts not designed for this equipment Do not use 1 1 1 trichloroethane methylene chloride other halogenated hydrocarbon solvents or fluids containing such solvents in this or any other pressurized aluminum equipment Such use could res...

Page 8: ...B B B P B B B B B B B B B B B B B B B P B B B B NB B B B P B B B P B B B P B B B B B B B B B B B B P B B B B B B B B B B B P B B B B B B BSPSPSO NB B NB B B B B B B B B B B PB B B B B B B B B B B P B B B B B B B B B B B B B B PB B B B B B B B B B B B B B B P ...

Page 9: ...itch B P 2 Place prime tube in waste pail B B B B P 3 Turn Prime Spray valve to PRIME 0 QSJNF Q B Brtkog B P 4 Turn pressure control knob left minimum pressure B B J B K B P 5 Trigger gun into bucket to relieve pressure in hose B B B B B B P ti2018a ti2034a ti2019a ti2020a ti2033a ...

Page 10: ... B A This sprayer requires 220 240 VAC 50 60 Hz 10A circuit with a grounding receptacle Never use an outlet that is not grounded 331 351 W 61071 I 21B B B B B TTROTVRBxceNB WRQXR j BSRcB B PB B B B B P B Do not use sprayer if electrical cord has damaged ground prong B B B B B B B B P ti10 a t10 b ...

Page 11: ...mmended extension cords 15 m 49 2 ft 1 0 mm2 30 m 88 4 ft 1 5 mm2 50 m 164 0 ft 2 5 mm2 26 n 5 3 2 1 nn3 41 n 99 5 2 6 nn3 61 n 275 1 3 6 nn3 B B B B B B P B B SWB BJV PTB KBSPRB T URB BJZZPVB KBSPWB T WRB BJSXVPRB KBTPWB T Smaller gauge or longer extension cords may reduce sprayer performance B B B B B B B B B B P ...

Page 12: ...Component Identification B 12 3Z9478A Component Identification B B J W A X H L G K F E D C P M U T V S R Q ti2023a ...

Page 13: ...uction tube B H Prime tube with diffuser B J B K J Prime Spray valve control 0 0 Q Q B B K Fluid inlet connection and inlet valve B B B B B L Inlet screen B M Paint hose B P SG3E A airless spray gun TH4F0B uiUgQcB B B Q Tip guard B R Reversible spray tip B B S Trigger safety lever B B T Gun fluid inlet fitting B B B U Smooth Glide swivel Tnppui Hmjef u Bi B B V Gun fluid filter in handle B B J B K...

Page 14: ...tighten TH4F0B B B B B BuiUgQcB B B B NB B B P 3 Connect other end of hose to sprayer fluid outlet fitting Use wrench to tighten Connect other end of hose to sprayer fluid outlet fitting Use wrench to tighten B B B B B B B B NB B B P 4 Turn pressure control knob left minimum pressure B B J B K B P ti2018a ti2024a ti2025a ti2020a ...

Page 15: ...ng Before priming sprayer follow Pail Flushing procedure Steps 1 6 page 24 24 2 7 B B B B B J24 BSOXB K B P 1 Turn OFF power switch B P 2 Submerge suction tube in paint B B B P 3 Turn Prime Spray valve to PRIME 0 QSJNF Q B Brtkog B P 4 Point gun into waste pail B B B B P ti2018a ti2026a ti2019a ti2027a ...

Page 16: ...paint without bubbles starts to come out of prime tube trigger gun and turn Prime Spray valve to SPRAY When paint comes out of gun release trigger 0 TQSBZ B B B B B B B B B B Q B B urtc B B NB B B B B P The motor stopping indicates the pump and hose are primed with paint B B B B B B B P 7 Transfer prime tube to paint pail B B B P ti2028a ti2029a ti2030a ...

Page 17: ...or runs only when gun is triggered Sprayer is designed to stop pumping when gun trigger is released B B B B PB B B B B B B B B P Align arrow on sprayer with spray symbol on pressure control knob B B B B B B B P Turning knob right clockwise increases pressure at gun B B J B KB B B P ti2031a ti2032a ...

Page 18: ...B J B B KB B B P Hold gun 30 cm 12 in from surface and aim straight at sur face Tilting gun to direct spray angle causes an uneven finish 41 dn 23 UR JSTB KB B B B B B PB B B B B B B B B P Flex wrist to keep gun pointed straight Fanning gun to direct spray angle causes uneven finish B B B B B B PB B B B B B B B B B P ti2020a ti2035a ti2036a ...

Page 19: ...igger after starting stroke release trigger before end of stroke Gun must be moving when trigger is pulled and released B B B B NB B B B B PB B B B B B B B B P Aim tip of gun at edge of previous stroke to overlap each stroke by half B B B B B B B B B B B B P ti2037a ti2038a ...

Page 20: ...ater based fluids only B B Cleanup 1 Turn Prime Spray valve to PRIME 0 QSJNF Q B Brtkog B P 2 Separate prime tube from suction tube B B B B P 3 Unscrew inlet screen from suction tube B B B B B P 4 Place prime tube in waste pail B B B B P ti2019a ti2039a ti2040a ti2034a ...

Page 21: ...e B B J B K B B B B B B B B 6 Connect garden hose and Power Flush attachment onto suc tion tube Turn on garden hose B B B B B B B B B B B P 7 Turn ON power switch Align arrow on sprayer to bucket sym bol on pressure control knob B P B B B B B B B P 8 Open Power Flush valve B B B P ti2041a ti2042a ti2028a ti2043a ...

Page 22: ...B P WARNING Page 5 10 Turn Prime Spray valve to SPRAY 0 TQSBZ r Qu B Burtc B P 11 Trigger gun for 2 3 minutes until somewhat clear water flows out of roller frame 3 4 B B B B B B BTOU B P 12 Turn Prime Spray valve to PRIME 0 QSJNF Q B Brtkog B P ti2027a ti2044a ti20 33a ti2019a ...

Page 23: ...prayer into waste pail for 30 seconds 41 B B B B BUR B B B P 14 Turn OFF power switch B P 15 Close Power Flush valve Turn off garden hose B B B B B P 16 Unscrew Power Flush attachment from suction hose B B B B B B P ti2045a ti2018a ti2046a ti2047a ...

Page 24: ...witch Turn Prime Spray valve to PRIME 0 QSJNF B PBr Qu B Brtkog B P 3 Place prime tube in waste pail Submerge suction tube in water or compatible solvent for non water based material B B B B B PB B B B J KB B B B P 4 Turn ON power switch Align arrow on sprayer and bucket symbol on pressure control knob B PB B B B B B B B B P WARNING Page 5 ti2048a ti2018a ti2019a ti2050a ti2028a ...

Page 25: ...TQSBZ B B B B B B B PB B B B PB r Qu B Burtc B PB B B B B B B B PB B P To minimize splashing aim gun at inside wall of empty waste pail B B B B B B B B B P 6 Move gun to waste pail Trigger gun until remaining flushing fluid is gone from flushing pail Release gun trigger B B B PB B B B B B B B B B B P 7 Fill unit with Pump Armor or mineral spirits Cleanup page 20 Qvnq Bsnps 20 r Bc B B B J20 B B KP...

Page 26: ... J9 B KPB 2 Engage gun trigger safety B B B P 3 Unscrew hose B B P 4 Remove filter and clean it in compatible solvent B B B B P Do not soak entire gun in solvent Prolonged exposure to solvent can ruin packings B B B B B PB B B B B B B P 5 Insert filter B PB ti2053 ti2048a ti2007 ti2055a ti2009a ...

Page 27: ...pump system after cleaning Water left in sprayer will corrode sprayer and damage pump B B B B B B B PB B B B B B B B P 1 Remove inlet strainer Place suction tube in storage fluid bottle and prime tube in waste pail B B B B B B B B B B B P 2 Turn Prime Spray valve to PRIME 0 QSJNF Q B Brtkog B PB ti2057a ti2019a ...

Page 28: ...ure control knob all the way left counterclockwise to minimum pressure B B B B B B J B B K B P 4 Turn ON power switch B P 5 Align arrow on sprayer with roller symbol on pressure control knob B B B B B B B B P ti2020a ti2028a1 ti2058a ...

Page 29: ...age fluid comes out of prime tube 5 10 seconds turn OFF power switch 6 21 B B B B B BWOSR B B B P 7 Turn Prime Spray valve to SPRAY to keep storage fluid in sprayer during storage 0 TQSBZ r Qu B Burtc B B B B B B B P ti2059a ti2044a ...

Page 30: ...pressure a lit tle at a time until paint atomizes B B B B B B B B B B PB B B B B B B B B B P Fluid flow rate is controlled by tip hole size B B B B P The best tip hole size for fluid you are spraying is determined by type of coating and type of surface you are spraying B B B B B B B B B B B B B P Use large tip hole size when spraying thicker coatings B B B B B B B P ...

Page 31: ...B B B B B B B B B B P 33 B B B B B P Use small tip hole size when spraying thinner coatings B B B B B B B P Tips wear and enlarge when you spray Starting with a tip hole size smaller than the maximum will allow you to spray within rated flow capacity To prevent excessive wear spray at low est pressure that atomizes paint B B B PB B B B B B B B B B B B PB B B B B B P ...

Page 32: ...B B Thin coat B Fast coverage B Broad open surfaces B B COATINGS Tip Hole Size B B diameter based on area of elliptical orifice J B B B K lacquers and stains enamels oil based primers and paints interiorlatex paint exterior latex paint acrylics B B B B B B B B B 0 011 in 0 28 mm X 0 013 in 0 33 mm X X X X 0 015 in 0 38 mm X X X X 0 017 in 0 43 mm X X X X 0 019 in 0 48 mm X X ...

Page 33: ...PRSUB K B B B B TZXVSU P Tip Part Number B B Fan Width 305 mm 12 in from surface 23 416 nn B B B JURWB NBSTB K Hole Size B 286411 203 254 mm 8 10 in 0 28 mm 0 011 in 286511 254 305 mm 10 12 in 0 28 mm 0 011 in 286313 152 203 mm 6 8 in 0 33 mm 0 013 in 286413 203 254 mm 8 10 in 0 33 mm 0 013 in 286415 203 254 mm 8 10 in 0 38 mm 0 015 in 286515 254 305 mm 10 12 in 0 38 mm 0 015 in 286417 203 254 mm ...

Page 34: ...prayer to Graco MAGNUM authorized service center if drain valve is clogged Power switch is on and sprayer is plugged in but pump does not cycle Pressure set at minimum Turn pressure control knob right to increase pressure Electrical outlet is not providing power Try a different outlet OR test outlet by plugging something in that you know is working Reset building circuit breaker or replace fuse Da...

Page 35: ...rigger is pulled Pressure is set too low Turn pressure control knob right to increase pressure Spray tip clogged Clean tip See Gun stops spraying section of Troubleshooting table page 34 Spray tip too large or worn Replace tip Gun filter clogged Clean or replace gun filter page 48 InstaClean fluid filter is clogged Clean or replace InstaClean fluid filter page 47 Pump check ball stuck See Pump wil...

Page 36: ...h proper voltage regulator Sprayer requires 220 240 VAC 50 60 Hz Sprayer was operated at high pressure with small tip causing frequent motor starts and excessive heat build up Decrease pressure setting or increase tip size Move sprayer to cooler location Building circuit breaker opens after sprayer operates for 5 10 minutes OR Building circuit breaker opens as soon as sprayer is plugged into outle...

Page 37: ...pump Worn pump packings Replace pump packings page 51 Paint comes out of pressure control knob Worn pressure control knob Return sprayer to Graco MAGNUM authorized service center Pressure drain actuates automatically relieving pressure through prime tube System is overpressuring ...

Page 38: ...38 3Z9478A Qvnq Bsnps 0 TQSBZ 0 QSJNF 20 0 Hsbdp0NBHOVN 10 Hsbdp 0 2 3 4 5 2 3 ...

Page 39: ...3Z9478A 39 15 Hsbdp0NBHOVN 0 38 2 3 4 5 38 48 JotubDmfbo JotubDmfbo 47 38 30 48 2 3 4 5 Hsbdp0NBHOVN JotubDmfbo JotubDmfbo 47 10 ...

Page 40: ...40 3Z9478A 0 10 331 351 W 61071 I 6 21 10 Hsbdp0NBHOVN Hsbdp0NBHOVN ...

Page 41: ...3Z9478A 41 51 Hsbdp0NBHOVN ...

Page 42: ...B B B B P B B B B B PB B B B B B B P B B P B B B B PB B B B B P r Qu B B PB B B B Q PB B B Bi QocipwoB B B B B P B B B B B B B P B B P B B B B B P B B B B PB B B B B B B B B B P B B B B B P B B P B B J10 B B B B B KP B B B PB B B B B PB B B B P B B B P Bi B B B B P B B B B P B B B P B B B B B B B PB B B B NB B Q B B B B P SB B P TB B B B B B B P UB B B B B P VB B B B B B P B B B SB B B P TB B B B ...

Page 43: ...B B B P TB B B B P UB B P VB B B B B B B B B B P B B B B B B B B B B B P B B B B P B B B B B P B B P B PB B B B B B B P B B B B P B P B B P B B B 48P k e B B B P k e B B B B J47 B KP B B B B P B B B B B B 42P B B B B B B B B P B B B P B B B J30 B B B B KP B B B B P B P B B P B B B 48P B B P B B B P B B P B B B P SB B B P TB B B PB B B B B B P UB B B B B B B B P VBi QocipwoB B B B B P k e B B B P k...

Page 44: ... P B B B B B B P B J10 B B B B B KP B B B B B B P B B B B B PB BTTROTVRNBxceBWRQXRBj B P B B B B B B B B B B B B PB B B B B P B B B P WOSR B B B B B B B B B NB B B B B B B B PB B B B B B B B P B B B B B NB B B B B B PB B B B B B B B B B P B B B B B B B B B B B B PB B B J10 B B B B B KP B B P B B B B PB B B B P B B B P i QocipwoB B B B B P B B B B B B P B B B NB B B B B PB i QocipwoB B B B B P B B ...

Page 45: ...B 3Z9478A 45 B B B B P B B P B B J51 B KP B B B B P B B P i QocipwoB B B B B P B B B B B B B B P B B B P ...

Page 46: ...g mechanical parts and electronics inside If water gets in these openings sprayer could malfunction or be permanently damaged B B NB B B B B PB B B B B B B B B B B P Clean sprayer and accessories thoroughly after each use B B B B B B P Do not cover vent holes or shroud while spraying B B B B B P ent Holes ...

Page 47: ...Dmfbo F k e B B JgK B B B B PB B B B B B P Remove pump fluid outlet fitting D to remove and check InstaClean filter Replace if damaged E JotubDmfbo B B JfK B Bk e B B B B PB B P To activate InstaClean fluid filter system sprayer must be under pressure If sprayer is not under pressure it needs to be primed Priming page 15 JotubDmfbo 15 k e B B B B B B B B PB B B B B B B B J15 B B KP ...

Page 48: ... and brush every time you flush system Replace when damaged B B B B B B B B B B B P Check hose for damage every time you spray Do not attempt to clean or repair hose if hose jacket or fittings are damaged Do not use hoses shorter than 7 6 m 25 ft 8 7 n 36 B B B B PB B B B B B B B PB BYPXB BJTWB KB B B B P ...

Page 49: ...every 100 hours of operation 211 B B BSRR B B B B B B P Always clean tips with compatible solvent and brush after spraying B B B B B B B P Tip life 57 liters 15 gallons 227 liters 60 gallons 68 26 338 71 B BWYB BJSWB KBOBTTYB BJXRB KL Depends on abrasiveness of paint L B B B B Do not spray with worn tip B B B P ...

Page 50: ...e two check valves to malfunction B B B B B B B B B B B B B B B P If pump does not prime after 30 seconds try to loosen check balls by tapping inlet valve with small wrench as the sprayer is stroking Excessive shock will fracture or cause other damage to pump 41 UR B B B B B B B B B B B B B B B B P B B B B B B P inlet valve ...

Page 51: ...eck them If sprayer continues to cycle motor and pump run after you release gun trigger pump valves may be obstructed or worn Valve repair kits are available from Graco MAGNUM authorized service centers Hsbdp0NBHOVN B B B B B B B B B P B B B B B B J B B KB B B B B B B PB B Bi QocipwoB B B B B B B P ...

Page 52: ... begin to leak down outside of pump Replace pump packings at first sign of leaking or additional damage could occur B B B B B B B PB B B B B B B PB B B B B P Pump repair kits are available from Graco MAGNUM authorized service centers Hsbdp0NBHOVN i QocipwoB B B B B B B B B P ...

Page 53: ...Roller valve fluid inlet size B B B B 1 4 npsm Electric motor B 7 8 hp 6 5 Amp permanent magnet open frame motor 809 7 6 YQZB BXPWBc NB B NB B B Sprayer weight only B 16 5 kg 36 lb 27 6 lh 47 Dimensions Length 49 5 cm 19 5 in Width 48 3 cm 19 0 in Height 101 6 cm 40 0 in Wetted parts sprayer B B B Stainless steel brass ultra high molecular weight polyethylene UHMWPE leather carbide nylon aluminum ...

Page 54: ...11 qtj 628 2 47 L B B B B B B BOBTRYB BWSYB B B B SPUXPBTSBor BJURRRB K BkuqBUYVVPB B B B B B B B B B P Inlet Screen on Suction Tube B B 450 micron 35 mesh 561 46 Maximum material temperature B B 50 C 120 F Electrical power requirement B 220 240V AC 50 60 Hz 1 phase 10A 331 351W 61071 I 21B TTROTVRxBceBWRQXRBj NB NBSRBc Sound data SG3E A spray gun TH4F0B B LBuiUgQcB B Sound pressure leve J B KB 78...

Page 55: ...Technical Data B 3Z9478A 55 ...

Page 56: ...l repair or replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspection of the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIE...

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