background image

 Form No. 309226

Rev. A

This manual contains service

instructions only.  See manual

309316 Operators Quick Guide and

309225 Operating Instructions for

complete operating instructions.

M

AGNUM

 XR9

Model 232750

M

AGNUM

 XR7

Model 232745

M

AGNUM

 XR5

Model 232740

9558A

9559A

M

AGNUM

 DX

Model 232735

M

AGNUM

 DX, Model 232735, Series A

0.24 gpm (0.91 lpm) stand–mount sprayer, 25 ft (7.6 m)
3/16” hose and SG1

t

–EF spray gun with reversible spray

tip and guard.

2800 psi (19 MPa, 193 bar) Maximum Working Pressure

M

AGNUM

 XR5, Model 232740, Series A

0.27 gpm (1.02 lpm) stand–mount sprayer, 25 ft (7.6 m)
1/4” hose and SG1–EF spray gun with reversible spray tip
and guard.

3000 psi (21 MPa, 207 bar) Maximum Working Pressure

M

AGNUM

 XR7, Model 232745, Series A

0.31  gpm (1.17 lpm) stand–mount sprayer, 50 ft (15.2 m)
1/4” hose and SG2

t

 metal spray gun with reversible spray

tip and guard.

3000 psi (21 MPa, 207 bar) Maximum Working Pressure

M

AGNUM

 XR9, Model 232750, Series A

0.38 gpm (1.44 lpm) stand–mount sprayer, 50 ft (15.2 m)
1/4” hose and SG3

t

 pro metal spray gun with reversible

spray tip and guard.

3000 psi (21 MPa, 207 bar) Maximum  Working Pressure

9558A

Service Instructions

INSTRUCTIONS

This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.

Airless Sprayers

t

GRACO INC.

P.O. BOX 1441

MINNEAPOLIS, MN

55440–1441

E

COPYRIGHT 2001, GRACO INC.

Graco Inc. is registered to I.S. EN ISO 9001

Summary of Contents for Magnum DX 232735

Page 1: ...and SG1 EF spray gun with reversible spray tip and guard 3000 psi 21 MPa 207 bar Maximum Working Pressure MAGNUM XR7 Model 232745 Series A 0 31 gpm 1 17 lpm stand mount sprayer 50 ft 15 2 m 1 4 hose a...

Page 2: ...neral Repair Information 7 Basic Troubleshooting 8 Advanced Troubleshooting 10 List of Kits 17 Motor Diagnostics 19 Control Board Diagnostics 19 Pump Diagnostics 19 Technical Data 21 Parts Model 23273...

Page 3: ...nd plastic drop cloths static arc hazard Do not plug in or unplug power cords or turn lights on or off in spray area D Tape wall switches to prevent them from being turned off or on D Do not smoke in...

Page 4: ...C H F G D A N B M MAGNUM XR5 L J P K MAGNUM XR7 MAGNUM XR9 W W X X Y E W 9558A 9559A 9560A K K MAGNUM DX B D 4 309226 Component Identification and Function...

Page 5: ...d inlet connection and inlet valve Where suction tube connects to pump and inlet valve L Inlet screen Prevents debris from entering pump M Paint hose Transports high pressure fluid from pump to spray...

Page 6: ...ip or hose is completely clogged or that pressure has not been fully relieved after following the steps above VERY SLOWLY loos en the tip guard retaining nut or hose end coupling to relieve pressure g...

Page 7: ...osure Replace if damaged Enclosures direct cooling air around the motor to prevent overheating They also reduce the risk of burns fire or explosion Read the following WARNING WARNING ELECTRIC SHOCK HA...

Page 8: ...re in water Suction tube is leaking Tighten suction tube connection K Inspect for other cracks or vacuum leaks Spray gun stopped spraying Spray tip is plugged Unplug spray tip See manual 309225 Operat...

Page 9: ...mage can occur if cause is not corrected Sprayer was operated at high pressure with very small tip which causes frequent motor starts and excessive heat build up Decrease pressure setting or increase...

Page 10: ...dels or 243236 for XR models Yoke is broken because pump is locked up by dried paint or worn packings XR models only Repair as necessary or replace using Gear Yoke Repair Kit 243230 Basic Electrical P...

Page 11: ...at Power switch B and unplug in line connection of white electrical cord wire Plug in electrical cord and test voltage between black and white electrical cord wires Meter must read 85 to130V AC Replac...

Page 12: ...ng Control Board Kit 245079 for DX models 243228 for XR5 and XR7 models or 243229 for XR9 models Building circuit breaker opens as soon as sprayer is plugged into outlet and sprayer is NOT turned on N...

Page 13: ...eshooting page 8 Pump valves are worn or obstructed by debris Check for worn pump valves as follows Prime sprayer with paint Trigger spray gun momentarily When spray gun trigger is released pump shoul...

Page 14: ...e 19 If shorts are evident replace motor using Motor Kit 245080 for DX models or 243236 for XR models Control board is damaged CAUTION Do not perform control board diagnostics until you have determine...

Page 15: ...rm control board diagnostics until you have determined that the armature is good A bad motor armature can burn out a good control board See Control Board Diagnostics on page 19 If damaged replace cont...

Page 16: ...ure Control Switch Kit 244266 for DX models or 244267 for XR models Water or paint entered pressure control switch or shorted control board Clean out and or dry out and retry Replace if necessary usin...

Page 17: ...ith 1 2 NPT bottom port 115628 plastic elbow 197607 XR5 All Suction Tube inlet valve with intergral hose barb no el bow 195883 XR7 XR9 All Suction Tube inlet valve with 1 2 NPT bottom port 197608 XR7...

Page 18: ...ont Cover 10mm ball bearing 245064 XR5 C XR7B XR9B Front Cover 3 8 bronze bearing 243236 XR5 A B XR7 A XR9 A Motor Drive Housing 10mm ball bearing motor casting 245063 XR5 C XR7 B XR9 B Motor Drive Ho...

Page 19: ...Connect red and black motor leads together with test lead Turn motor fan by hand at about two revolutions per second 2 If there is uneven resistance or no resistance replace motor using Motor Kit 2450...

Page 20: ...or XR models Pump Service All Models CAUTION When repairing or cleaning the pump never submerge the pump in water or allow fluid to enter the pressure control If the sprayer continues to cycle motor a...

Page 21: ...in 66 cm 19 5 in 49 5 cm L 19 in 48 3 cm W 40 in 101 6 cm H Height with folded handle is 26 in 66 cm Power cord 16 AWG 3 wire 6 ft 1 8 m 16 AWG 3 wire 6 ft 1 8 m 16 AWG 3 wire 6 ft 1 8 m 16 AWG 3 wire...

Page 22: ...22 309226 Parts Model 232735 DX Sprayer 42 44 45 50 53 31 54 13 4 12 13 3 51 7 1 56 2 5 52 23 55 40 58 59 57...

Page 23: ...14 KIT valve repair 1 40 196566 HOUSING pump 1 42 196567 COVER housing 1 Ref No Part No Description Qty 44 196577 GEAR eccentric 1 45 196579 GEAR combination 1 50 245078 KIT pump repair 1 51 245079 KI...

Page 24: ...24 309226 Parts Model 232740 XR5 Sprayer 54 58 1 65 76 74 81 72 69 68 67 65 70 52 73 51 62 66 52 61 47 46 13 75 90 93 36 20 2 19 18 40 88 48 114 114 127 17 25 63 75 59 94 95...

Page 25: ...e 10 54 243230 KIT gear yoke guide repair Series A B 1 245062 KIT gear yoke guide repair Series C 1 Ref No Part No Description Qty 55 116295 CLAMP spring 88 diameter 1 58 194507 DOWEL pin 5 16 2 61 11...

Page 26: ...el 232745 XR7 Sprayer 63 66 61 62 79 67 68 79 77 76 75 74 80 72 65 72 47 51 73 113 70 1 65 13 54 58 46 71 86 85 20 87 88 89 52 69 36 52 81 40 19 18 52 84 102 48 125 125 25 17 84 20 26 Alternate Config...

Page 27: ...8 BUSHING strain relief 1 62 243237 COVER with label Series A 1 245064 COVER with label Series B 1 63 115603 CORD power 1 65 115478 SCREW torx slt pan hd 1 4 8 66 115499 SWITCH rocker 1 67 195433 SUPP...

Page 28: ...232750 XR9 Sprayer 67 68 77 76 75 74 79 72 71 112 69 65 72 73 112 70 71 63 66 61 62 47 51 1 13 54 58 46 85 20 86 87 88 52 36 52 80 40 19 84 52 2 65 78 78 83 48 124 124 101 17 127 84 20 26 Alternate Co...

Page 29: ...16 2 61 111348 BUSHING strain relief 1 62 243237 COVER with label Series A 1 245064 COVER with label Series B 1 63 115604 CORD power 1 65 115478 SCREW torx slt 1 4 8 66 115499 SWITCH rocker 1 Ref No P...

Page 30: ...EXPENSE OF ANY KIND WHETHER FROM BREACH OF THIS WARRANTY OR ANY OTHER REASON Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or excl...

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