Graco 233715, 233710, 233712, 233711, 233713, 233709 Displacement Pump, Repair, Removal, Installation

Page 16
Displacement Pump

Displacement Pump

Removal

1. Flush pump.

2.

Relieve pressure; page 6.

3.Fig. 11. Cycle pump with piston rod (222) in its lowest position.

4.Fig. 11. Remove suction tube (73) and hose (167).

Repair 222

167

73

Fig. 11

7672B

 

5. Fig. 12. Use screwdriver: push retaining spring up and push out pin (58).

Repair

See manual 309277 for pump repair instructions.

Installation

Manual background 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. Make sure pin and retaining spring are properly installed.

Manual background CAUTION

If the pump jam nut loosens during operation, the threads of the bearing housing will be damaged. Make sure jam nut is properly tightened.

1.Fig. 14. Pull piston rod out 1.5 in. Screw in pump until holes in bearing cross link and piston rod align.

Manual background1.5 in.

Fig. 14

7676B

16309411

Manual background 58

Fig. 12

7675B

6.Fig. 13. Loosen jam nut by hitting firmly with a 20 oz (maximum) hammer. Unscrew pump.

Fig. 13

7673B

 

2.Fig. 12. Push pin (19) into hole. And push retaining spring into groove all the way around connecting rod.

3.Fig. 15. Screw jam nut down onto pump until stops. Screw pump up into bearing housing until it is stopped by jam nut. Back off pump and jam nut to align pump outlet to back. Tighten jam nut by hand, then tap 1/8 to 1/4 turn with a 20 oz (maxi- mum) hammer to approximately 75" 5 ft–lb (102 N￿m).

Fig. 15

7673B

4.Fig. 16. Fill packing nut with Graco TSL, through one of the slits, until fluid flows onto the top of seal.

Fig. 16

7677B

 

Image 16
Contents INSTRUCTIONS-PARTS LIST 5.5 HORSEPOWER, GASOLINE POWEREDGRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN This manual contains importantTable of Contents Warning SymbolCaution Symbol Warnings and CautionsSKIN INJECTION HAZARD TOXIC FLUID HAZARDRECOIL HAZARD 309411FIRE AND EXPLOSION HAZARD HAZARD OF USING FLUIDS CONTAINING HALOGENATED HYDROCARBONSEQUIPMENT MISUSE HAZARD Spray Gun Trigger Lock Reference your Spray Gun ManualPump On/Off Switch Engine On/Off SwitchPressure Relief Procedure MaintenanceINJECTION HAZARD Troubleshooting PROBLEMSOLUTION CAUSEUse larger diameter hose and/or reduce overall Thin fluid according to supplier’s recommendaBearing Housing and Connecting Rod InstallationRemoval 1 BDrive Housing Pinion Assembly/Rotor/Shaft/Clutch/Pulley Bottom Viewti1842a ti1888a0.12 ±.01 in. 3.0 ±.25 mm 17. Page 10. Do Drive Housing, Installationti1853a On/Off Switch ti1849aPressure Adjust Potentiometer Pressure ControlControl Board Pressure Control TransducerAfter a fault, follow these steps to restart sprayer Pressure Control RepairDigital Display Messages DISPLAYDisplacement Pump Repair309411 Parts - Basic Sprayer Model 233709, Series AHOUSING, drive HOUSING, pinionPUMP, displacement HOUSING, bearingEngine Detail ti1846aParts List & Drawing - Pinion Assembly Ref No. 4 Pinion Housing AssemblyRef No. 3 Drive Housing Assembly Ref No. 4 andRef No Pressure Control Assembly Parts Drawing - SprayerParts List - Sprayer VIEW APressure Control DISPLAY BOARD Wiring Diagram ON/OFF SWITCH DRIVE HOUSING PINION HOUSING CONTROL BOARD TRANSDUCERParts List & Drawing -Clutch Assembly Parts - Complete SprayerModel 233710 Contractor II Gun KitTechnical Data DimensionsParts - Lo-Boy Suction Set Kit DANGER LABELSGraco Standard Warranty distributor near you1-800-690-2894 Toll FreeFOR GRACO CANADA CUSTOMERS reserves right to make changes at any time without notice