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3083982
Table of Contents
Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Component Identification and Function 5. . . . . . . . .
Setup 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fueling 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Startup 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flushing 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Suction Tube Storage 12. . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting Guide 13. . . . . . . . . . . . . . . . . . . . . . .
Repair
Bearing Housing & Connecting Rod 15. . . . . . . . . . . .
Drive Housing 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pinion, Clutch, Clamp, Field, & Engine 18. . . . . . . . .
Pinion Housing 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clutch 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Field & Wiring Harness 21. . . . . . . . . . . . . . . . . . . . . . .
Clamp 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clutch Housing 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reassembly 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure Control Replacement 26. . . . . . . . . . . . . . . .
Removing and Installing Pump 27. . . . . . . . . . . . . . . .
Displacement Pump 27. . . . . . . . . . . . . . . . . . . . . . . . .
Parts Lists and Drawings
Model 231326, Basic Sprayer 28. . . . . . . . . . . . . . . . .
Model 231800, Lo-Boy Sprayer 30. . . . . . . . . . . . . . . .
Models 231327 & 231382, Complete Sprayer 34. . .
Pinion Assembly 34. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure Control 35. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions 35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Phone Number 35. . . . . . . . . . . . . . . . . . . . . . . .
Technical Data 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Warranty 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Symbols
Warning Symbol
WARNING
This symbol alerts you to the possibility of serious
injury or death if you do not follow the instructions.
Caution Symbol
CAUTION
This symbol alerts you to the possibility of damage to
equipment if the you do not follow the instructions.
WARNING
INSTRUCTIONS
EQUIPMENT MISUSE HAZARD
Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.
D This equipment is for professional use only.
D Read all instruction manuals, tags, and labels before operating the equipment.
D Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor.
D Do not alter or modify this equipment. Use only genuine Graco parts
D Check equipment daily. Repair or replace worn or damaged parts immediately.
D Do not exceed the maximum working pressure of the lowest rated system component. Refer to the
Technical Data on page 36 for the maximum working pressure of this equipment.
D Use fluids and solvents compatible with the equipment wetted parts. Refer to the Technical Data
section of all equipment manuals. Read the fluid and solvent manufacturer’s warnings.
D Do not use hoses to pull equipment.
D Route hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose
Graco hoses to temperatures above 82_C (180_F) or below –40_C (–40_F).
D Do not lift pressurized equipment.
D Comply with all applicable local, state, and national fire, electrical, and safety regulations.
D Wear hearing protection when operating this equipment.
D Do not use 1,1,1–trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or
fluids containing such solvents in pressurized aluminum equipment. Such use could result in a
chemical reaction, with the possibility of explosion.