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




 
 
 
 
 
 
Reassembly
NOTE:

  
 
 
 
 
NOTE:

 
 
 
 
 
 
NOTE:
 
 
 
 
 
SERVICING THE SEAL
Disassembly
NOTE:
 
 
 
 
 


 
 

  


  
NOTICE
NOTICE
NOTICE



 
 
Reassembly
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 SERVICING THE PLUNGER
 
  
 
 
 
TORQUE SEQUENCE
SERVICING THE PLUNGER
Disassembly
 
SERVICING THE SEALS, Disassembly
 
  
 
  
 
Reassembly
  
 SERVICING THE CRANKCASE.
  
 
 
 
 
 
 
  
 
NOTE:

NOTICE
7 1 3 5
6 4
2 8


  
 
 
  
 
  
 
 
  
 
 
 
 
 
 
TORQUE SEQUENCE.
SERVICING THE CRANKCASE
 

 

 

 

 

 

SERVICING THE UNLOADER/CHEMICAL INJECTOR
Disassembly
 
 
 
 
  
 
 
 
  
 
NOTE: 

 
 
  
  
  
 


  
  
 

Reassembly
NOTE


  
  
  
 
  
 
  
 
  
 
  
 
  
 
 
  
 
  
 
  
  
 
  
  
 
 
 
  
 
  
  
 
  
 
  
 
NOTICE
NOTICE


DANGER
A. FLAMMABLE OR EXPLOSIVE LIQUID HAZARD
Do not operate pump with flammable or explosive liquids unless extraordinary safety precautions are observed. Leaks of flammable or
explosive liquids, if exposed to elevated temperatures, static electricity, sparks or other hazards, will result in flame or possible explosion,
causing serious personal injury, death or property damage.
 
 
 
 

 
 
WARNING
A. ELECTRICAL SHOCK HAZARD
Do not service pump or electrical equipment while energized. Electricity can cause personal injury, death or property damage.
 
 
 
 
PREVENATIVE MAINTENANCE CHECKLIST
 Daily Weekly 50 hrs. 500 hrs. * 1,000 hrs. **
 X
 X
 X
 X
 X
 X
 X
 X
 X
 X
* If other than Cat Pumps special custom blend, ISO 68 hydraulic oil is
used, change cycle should be every 300 hours.
** Each system’s maintenance cycle will be exclusive. If system
performance decreases, check immediately. If no wear at 1000 hours,
check again at 1500 hours and each 500 hours until wear is observed.
Valves typically require changing every other seal change.
Duty cycle, temperature, quality of pumped liquid and inlet feed
conditions all effect the life of pump wear parts and service cycle.
** Remember to service the regulator at each seal servicing and check all
system accessories and connections before resuming operation.
GENERAL SAFTEY INFORMATION AND SYMBOLS
NOTE:
 
 
 
 
 
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