Graco 309063F important safety instructions Displacement Pump Replacement, Removal

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Displacement Pump Replacement

See manual 309060 for pump repair instructions.

See manual 309064 or 309065 for sprayer part num- ber references.

Removal

1.Flush pump (13).

2. Relieve pressure; page 6.

3.Fig. 18. Loosen two screws (10b) and rotate cover (10a).

b

10a

9a

Fig. 18

9573A

 

4.Cycle pump until pump pin (9a) is in position to be removed. Remove pump pin (9a).

5.Fig. 19. Remove suction tube (78) and hose (19).

6.Loosen pump jam nut (12). Unscrew pump.

19

12

78

ti5916a

Fig. 19

Installation

WARNING

If pin works loose, parts could break off due to force of pumping action. Parts could project through the air and result in serious injury or prop- erty damage.

CAUTION

If the pump locknut loosens during operation, the threads of the drive housing will be damaged.

1.Fig. 20. Extend pump piston rod fully. Apply grease to top of pump rod at (A) or inside connecting rod.

ti5916a

3.Push pump up until pump threads engage.

4.Screw in pump until threads are flush with drive housing opening. Align pump outlet to back.

5.Fig. 21. Install suction tube (78) and hose (19).

6.Fig. 21. Screw jam nut (12) up onto pump until nut stops. Tighten jam nut by hand, then tap 1/8 to 1/4 turn with a 20 oz (maximum) hammer to approxi- mately 75 +/--5 ft-lb (102 N¡m).

Fig. 21

ti5916a

7.Fig. 22. Fill packing nut with Graco TSL until fluid flows onto top of seal.

A

Fig. 20

TI0062

 

2.Fig. 18. Install pump pin (9a). Verify retainer spring (9b) is in groove of pump pin.

26309063

10b10a

Fig. 22

ti5916a

8. Fig. 18.Rotate cover (10a); tighten screws (10b).

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Contents Repair 309063FSpecifications 309063Fire and Explosion Hazard Pressurized Aluminum Parts Hazard Component Identification and Function Pressure Relief Procedure Skin Injection HazardGeneral Repair Information Read Electric Shock Warning Burn Hazard WarningSprayer requires Sprayer cord includes a grounding wire with anGrounding and Electric Requirements Never use an outlet that is not grounded or an adapterTroubleshooting Motor WON’T OperateLOW or Fluctuating Output Placement Electric Shock Hazard Motor Brush ReplacementSpin Test Read General Repair InformationInstall pump 13 Displacement Pump Re- placement, 309063 Removal On/Off Switch ReplacementInstallation 232901, a Capacitor on Motor232900, A, B 233797, aWhite ON/OFF Black Switch Green Power Cord Motor Connector 100 Vac 240 Vac TP1 TP2Pressure Control Repair LED Sprayer Operation Indicates BlinksInstall motor control board 35 with five screws Pressure Adjust Potentiometer Installation Installation See Fig Removal See FigAssembly Drive Housing ReplacementDisassembly Remove pump 13 Displacement Pump Re- placement,Remove drive housing Drive Housing Replace- ment, Motor ReplacementRemove pump Displacement Pump Replace- ment, Install fluid manifold Pressure Control Replace- ment,Displacement Pump Replacement RemovalTechnical Data DimensionsGraco Information