CAT Pumps 67DX39G1I User Manual

SERVICE MANUAL
67DX PLUNGER PUMP SERIES
PUMP MODEL
FLOW
GPM (L/M)
PRESSURE
PSI (BAR)
PUMP
RPM
MOTOR
RPM
TEMPERATURE
Far. (Cent)
SHAFT DIA.
INCH (MM)
OIL CAP
Oz. (l)
    —   
SERVICING THE 67DX SERIES PLUNGER PUMP
WARNING
Do not service pump or electrical equipment while energized.
Electricity can cause personal injury, death or property damage.
 
 
 
 

SERVICING THE VALVES
Disassembly
NOTE:
NOTE:

 
 
  
 
IMPORTANT SAFETY INSTRUCTIONS


General Safety Information and Symbols






WARNING
CAUTION
NOTICE
DANGER

CAT Pumps 67DX39G1I Specifications

General

Brand	CAT Pumps
Model	67DX39G1I
Category	Water Pump
Language	English

Summary

Important Safety Instructions

Servicing the 67DX Series Plunger Pump

Electrical Safety Precautions

Warns against servicing energized equipment and outlines electrical safety procedures.

Servicing the Valves

Servicing the Seal

Servicing the Plunger

Servicing the Crankcase

Servicing the Unloader/Chemical Injector

General Safety Information and Symbols

Flammable or Explosive Liquid Hazard

Warns against operating with flammable/explosive liquids and outlines necessary precautions and safety systems.

Electrical Shock Hazard

Reinforces warnings about servicing energized equipment and emphasizes qualified electrician installation.

Rotating Parts Hazard

Details risks associated with moving parts and emphasizes lockout/tagout procedures for safety.

Hot Surface Hazard

Warns about touching hot pump components after operation to avoid severe burns.

Skin Puncture Hazard

Highlights the danger of high-pressure liquid piercing skin and the importance of safety checks.

Pumping Liquids Hazard

Advises on precautions when pumping hazardous liquids like hot water or chemicals to prevent injury.

Overpressurization Hazard

Stresses the need for pressure regulating devices and gauges to prevent system overpressure.

Oxygen Hazard

Prohibits charging pulsation dampeners with oxygen due to explosion risk.

Fall Hazard

Warns about slippery surfaces during pressure washing and recommends appropriate footwear.

Improper Use of Fittings Hazard

Caution against using improperly connected or sized fittings, pipes, or hoses.

Frozen Liquid Hazard

Frozen Liquid Precautions

Operating Beyond Specifications Hazard

Specification Compliance

Dry Operation Hazard

Dry Running Prevention

Diagnosis and Maintenance