Graco 237-004 - Page 2

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306–694
Table of Contents
Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service
Troubleshooting
Chart 12. . . . . . . . . . . . . . . . . . . . . .
Disconnecting the Displacement Pump 13. . . . . . .
Reconnecting the Displacement Pump 13. . . . . . .
Parts Drawings and Lists
Model 237–004 14. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model 221–068 15. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model 217–579 16. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model 237–067 17. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions 18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mounting Hole Layout 18. . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warranty 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Phone Number 20. . . . . . . . . . . . . . . . . . . . . . . . . .
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
or destruction of equipment if 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 .
 This equipment is for professional use only .
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Read all instruction manuals, tags, and labels before operating the equipment.
 Use the equipment only for its intended purpose. If you are uncertain about usage, call your Graco
distributor.
 Do not alter or modify this equipment. Use only genuine Graco parts and accessories.
 Check equipment daily . Repair or replace worn or damaged parts immediately .

Do not exceed the maximum working pressure of the lowest rated system component. This equip -
ment has a 3000 psi (21.0 MPa, 210 bar) maximum working pressure at 100 psi (0.7 MPa, 7
bar) maximum incoming air pressure .
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Use fluids and solvents which are compatible with the equipment wetted parts. Refer to the Tech-
nical Data section of all equipment manuals. Read the fluid and solvent manufacturer ’ s warnings.
 Do not use hoses to pull equipment.
 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).
 W
ear hearing protection when operating this equipment.
 Do not lift pressurized equipment.
 Comply with all applicable local, state, and national fire, electrical, and safety regulations.