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Graco Dyna–Star 239882 - User Manual

Graco Dyna–Star 239882
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Instructions – Parts List
GRACO INC.ąP.O. BOX 1441ąMINNEAPOLIS, MNą55440-1441
Copyright 1991, Graco Inc. is registered to I.S. EN ISO 9001
Dyna–Start
HYDRAULIC RECIPROCATOR AND PUMP
FOR LUBRICATING FLUIDS ONLY
1:1 Ratio Universal Pump and Reciprocator
Model 239882, Series A, Reciprocator Only
1500 psi (10 MPa, 102 bar) Maximum Hydraulic Input Pressure
1500 psi (10 MPa, 102 bar) Maximum Fluid Outlet Pressure
Model 224741, Series C, Stubby Length
1500 psi (10 MPa, 102 bar) Maximum Hydraulic Input Pressure
1500 psi (10 MPa, 102 bar) Maximum Fluid Outlet Pressure
Model 224742, Series C, 55-Gallon Length
1500 psi (10 MPa, 102 bar) Maximum Hydraulic Input Pressure
1500 psi (10 MPa, 102 bar) Maximum Fluid Outlet Pressure
Model 237653, Series B, Stainless Steel Stubby Length Pump
1000 psi (7 MPa, 69 bar) Maximum Hydraulic Input Pressure
1000 psi (7 MPa, 69 bar) Maximum Fluid Outlet Pressure
308155M
Important Safety Instructions
Read all warnings and instructions in this manual. Save these instructions.
See page 26 for Maximum Working Pressures.
Model 224741 shown
Patent No. 4,383,475
Foreign Patents Pending
Patent 1984 Canada
Brevete 1984
06143C
Table of Contents
Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 11. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reciprocator Parts Drawing, Model 239882 18. . .
Reciprocator Parts List, Model 239882 19. . . . . . . .
Displacement Pump Repair,
Models 239882, 224741, and 224742 20. . . . . . . . .
Displacement Pump Parts Drawing and List,
Models 224741, and 224742 22. . . . . . . . . . . . . . . . .
Displacement Pump Repair, Model 237653 23. . . .
Reciprocator Parts Drawing/List,
Model 237653 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Displacement Pump Parts Drawing and List,
Model 237653 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions and Mounting Hole Layout 27. . . . . . . .
Graco Standard Warranty 28. . . . . . . . . . . . . . . . . . .
Graco Phone Number 28. . . . . . . . . . . . . . . . . . . . . . .
Parts

Table of Contents

Questions and Answers

  • R
    Richard JordanAug 5, 2025
    What to do if Graco Water Pump won't run?
    • A
      Ashley WebbAug 5, 2025
      If the Graco Water Pump won't run, several factors could be at play. First, ensure the dispense valve is open, as the pump operates only when it is. Check the pressure; if it's too low, increase the supply pressure using a pressure adjusting valve. Verify that the hydraulic fluid supply is sufficient, adjusting the flow to a maximum of 3 gpm (11 lpm). Also, inspect the fluid outlet line, intake valve, dispense valve, and suction line for clogs and clear any obstructions after relieving the pressure. If these steps don't resolve the issue, the reciprocator might be damaged and require repair.
  • S
    Shelby RiveraAug 11, 2025
    Why does my Graco Water Pump run but output is low on both strokes?
    • W
      William SalazarAug 11, 2025
      If your Graco Water Pump runs but the output is low on both strokes, it could be due to a few reasons. First, check that the hydraulic fluid supply is sufficient and adjust it to a maximum flow of 3 gpm (11 lpm). Also, low pressure could be the issue, so increase the supply pressure using a pressure adjusting valve. Finally, inspect the fluid outlet line, intake valve, dispense valve, and suction line for any clogs and clear them after relieving the pressure.
  • A
    Andrew GarciaAug 16, 2025
    Why does my Graco Dyna–Star 239882 Water Pump speed up or run erratically?
    • M
      Ms. Nicole Nelson PhDAug 16, 2025
      If your Graco Water Pump speeds up or runs erratically, it could be due to a worn pump piston or intake valve, requiring you to relieve pressure, check, and repair. Another possible cause is an empty supply container; refill it, reprime the pump, and closely monitor to prevent it from running dry, or consider using a low-level cutoff valve.
  • E
    erika34Aug 22, 2025
    What to do if Graco Dyna–Star 239882 Water Pump runs, but output is low on up and/or down stroke?
    • V
      virginiavaldezAug 22, 2025
      If the Graco Water Pump runs, but the output is low on either the up or down stroke, the pump piston and/or intake valve might be worn. Relieve the pressure and then check and repair them.
  • S
    Samantha LunaAug 28, 2025
    What causes hydraulic oil leaks from fittings in the upper or lower reciprocator blocks (31, 32) of Graco Water Pump?
    • J
      Janice CarterAug 28, 2025
      Hydraulic oil leaks from fittings in the upper or lower reciprocator blocks of your Graco Water Pump can be caused by loose fittings (1, 5, 58) or worn/damaged o-rings. Try tightening the self-sealing fittings first. If the leaking persists, replace the o-rings.

Summary

Symbols

Installation

Pump Accessories

Details on optional and required accessories for pump installation.

Pump Outlet Drain Valve

Information on the required pump outlet drain valve for pressure relief.

Hydraulic Power Supply

Guidelines for connecting and maintaining the hydraulic power supply.

Hydraulic Lines

Specifications and guidance for hydraulic supply and return lines.

Grounding

Instructions for grounding the pump to prevent static discharge.

Operation

Pressure Relief Procedure

Steps to safely relieve system pressure before maintenance or servicing.

To Start the Pump

Procedure for starting the hydraulic pump, including adjustments.

Before You Start the Pump

Pre-operation checks and flushing procedures for the pump.

Maximum Working Pressures

Details on safe maximum operating pressures for various components.

If the Pump Leaks at the Fluid Fittings

Troubleshooting guide for leaks at pump fluid fittings.

Shutdown

Procedure for safely shutting down the pump, emphasizing pressure relief.

Troubleshooting

Service

Replacing the Throat Seals

Step-by-step guide for replacing worn or leaking throat seals.

Disconnecting Reciprocator and Pump

Procedure for safely disconnecting the reciprocator from the displacement pump.

Reciprocator Repair

Detailed instructions for repairing the reciprocator unit.

Reciprocator Parts Drawing

Reciprocator Parts List

Displacement Pump Repair (Models 239882, 224741, 224742)

Intake Valve.

Procedure for servicing the intake valve assembly.

Displacement Pump.

Steps for disassembling and reassembling the displacement pump.

Displacement Pump Parts Drawing and List (Models 224741, 224742)

Displacement Pump Repair (Model 237653)

Disassembly

Procedure for taking apart the Model 237653 displacement pump.

Reassembly

Steps for reassembling the Model 237653 displacement pump.

Reciprocator Parts Drawing and List (Model 237653)

Displacement Pump Parts Drawing and List (Model 237653)

Technical Data

Dimensions and Mounting Hole Layout

Graco Standard Warranty

Graco Information

Graco Dyna–Star 239882 Specifications

General IconGeneral
BrandGraco
ModelDyna–Star 239882
CategoryWater Pump
LanguageEnglish

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