Graco 233500 Operation manual

Instructions – Parts List
GRACO INC.ąP.O. BOX 1441ąMINNEAPOLIS, MNą55440-1441
Copyright 2001, Graco Inc. is registered to I.S. EN ISO 9001
1:1 RATIO
TRITONt308
Diaphragm Pump
115 psi (0.8 MPa, 8 bar) Maximum Fluid Working Pressure
115 psi (0.8 MPa, 8 bar) Maximum Air Input Pressure
Part No. 233500 Aluminum Pump, Series A, npt threads
Part No. 233501 Stainless Steel Pump, Series A, npt threads
Part No. 233776 Aluminum Pump, Series A, BSPP threads
Part No. 233777 Stainless Steel, Series A, BSPP threads
U.S. and Foreign Patents Pending
309303C
Read warnings and instructions.
See page 2 for Table of Contents.
ti1029a
Part No. 233501 Shown
Parts

2 309303
Table of Contents
Safety Warnings 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service
Remove the Fluid and Side Covers 14. . . . . . . . . . .
Ball Check Repair 16. . . . . . . . . . . . . . . . . . . . . . . . . .
Diaphragm Repair 17. . . . . . . . . . . . . . . . . . . . . . . . . .
Air Valve Repair 18. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shaft Repair 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Standard Warranty 26. . . . . . . . . . . . . . . . . . . . . .
Graco Toll-Free Phone Numbers 26. . . . . . . . . . . . . . . .
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.

309303 3
WARNING
INSTRUCTIONS
EQUIPMENT MISUSE HAZARD
Equipment misuse can cause the equipment to rupture, malfunction, or start unexpectedly and result
in a serious injury.
This equipment is for professional use only.
Read all instruction manuals, tags, and labels before operating the equipment.
Use the equipment only for its intended purpose. If you are not sure, 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 component in your system. This
equipment has a 115 psi (0.8 MPa, 8 bar) maximum working pressure at 115 psi (0.8 MPa, 8
bar) maximum incoming air pressure.
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.
Aluminum pumps only: Never 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.
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 180F (82C) or below –40F (–40C).
Wear hearing protection when operating this equipment.
Comply with all applicable local, state, and national fire, electrical, and safety regulations.

4 309303
WARNING
FIRE AND EXPLOSION HAZARD
Improper grounding, poor air ventilation, open flames, or sparks can cause a hazardous condition and
result in fire or explosion and serious injury.
Ground the equipment. Refer to Grounding on page 7.
If there is any static sparking or you feel an electric shock while using this equipment, stop pump-
ing immediately. Do not use the equipment until you identify and correct the problem.
Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid
being pumped.
Keep the work area free of debris, including solvent, rags, and gasoline.
Electrically disconnect all equipment in the work area.
Extinguish all open flames or pilot lights in the work area.
Do not smoke in the work area.
Do not turn on or off any light switch in the work area while operating or if fumes are present.
Do not operate a gasoline engine in the work area.

309303 5
WARNING
PRESSURIZED FLUID HAZARD
Spray from the gun, hose leaks, or ruptured components can splash fluid in the eyes or on the skin
and cause serious injury.
Do not stop or deflect fluid leaks with your hand, glove, or rag.
Follow the Pressure Relief Procedure on page 11 before cleaning, checking, or servicing the
equipment.
Tighten all fluid connections before each use.
Check the hoses, tubes, and couplings daily. Replace parts immediately if worn, damaged, or
loose. Permanently coupled hoses cannot be repaired.
TOXIC FLUID HAZARD
Hazardous fluids or toxic fumes can cause a serious injury or death if splashed in the eyes or on the
skin, swallowed, or inhaled.
Know the specific hazards of the fluid you are using. Read the fluid manufacturer’s warnings.
Store hazardous fluid in an approved container. Dispose of the hazardous fluid according to all
local, state, and national guidelines.
Wear appropriate protective clothing, gloves, eyewear, and respirator.
If the diaphragm fails, the fluid is exhausted along with the air.