REPAIR INSTRUCTION - GP6132

PUMP SYSTEM MALFUNCTIONS

 

MALFUNCTION

CAUSE

 

 

REMEDY

 

 

 

 

 

The Pressure and/

Worn packing seals

 

 

Replace packing seals

 

 

 

 

 

or the Delivery Drops

Broken valve springs

Replace springs

 

 

 

 

 

 

 

 

 

 

 

 

Belt slippage

 

 

Tighten or Replace belt

 

 

 

 

Worn or Damaged nozzle

Replace nozzle

 

 

 

 

 

 

Fouled discharge valve

Clean valve assembly

 

 

 

 

 

 

Worn or Plugged relief valve on pump

Clean, Reset, and Replace

 

 

 

 

 

 

 

 

 

worn parts

 

 

 

 

 

 

Cavitations

 

 

Check suction lines on inlet

 

 

 

 

 

 

 

 

 

of pump for restrictions

 

 

 

 

 

 

Unloader

 

 

Check for proper operation

 

 

 

Water in Crankcase

High Humidity

 

 

Reduce oil change intervals

 

 

 

 

Worn Seals

 

 

Replace seals

 

 

 

 

 

Noisy Operating

Worn bearings

 

 

Replace bearings, Refill

 

 

 

 

 

 

 

 

 

crankcase oil with recommended

 

 

 

 

 

 

 

 

 

lubricant

 

 

 

 

 

 

 

 

Cavitation

 

 

Check inlet lines for restrictions

 

 

 

 

 

 

 

 

 

and/or proper sizing

 

 

 

 

 

Rough/Pulsating

Worn packing

 

 

Replace packing

 

 

 

 

 

Operation with

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pressure Drop

Inlet restriction

 

 

Check system for stoppage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

air leaks, correctly sized

 

 

 

 

 

 

 

 

 

inlet plumbing to pump

 

 

 

 

 

 

Accumulator pressure

Recharge/Replace accumulator

 

 

 

 

Unloader

 

 

Check for proper operation

 

 

 

 

Cavitation

 

 

Check inlet lines for restrictions

 

 

 

 

 

 

 

 

 

and/or proper size

 

 

 

 

 

Pump Pressure as

Restricted discharge plumbing

Re-size discharge plumbing to flow

 

 

 

Drop at gun Rated,

 

 

 

 

 

rate of pump

 

 

 

 

 

Pressure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Excessive

Worn plungers

 

 

Replace plungers

 

 

 

 

 

Leakage

Worn packing/seals

 

 

Adjust or Replace packing seals

 

 

 

 

 

 

 

 

 

 

Excessive vacuum

 

 

Reduce suction vacuum

 

 

 

 

Cracked plungers

 

 

Replace plungers

 

 

 

 

 

 

Inlet pressure too high

Reduce inlet pressure

 

 

 

 

 

High Crankcase

Wrong Grade of Oil

 

 

Giant oil is recommended

 

 

 

Temperature

Improper amount of oil in crankcase

Adjust oil level to proper amount

 

 

 

 

 

 

 

 

 

Preventative Maintenance Check List & Recommended Spare Parts List

 

 

 

 

 

 

 

 

 

Every

 

Every

 

 

Every

 

 

 

 

 

 

 

 

 

500

 

1500

 

3000

Check

 

Daily

 

Weekly

50 Hrs.

 

Hours

 

Hours

 

Hours

Oil Level/Quality

 

X

 

 

 

 

 

 

 

 

 

 

 

Oil Leaks

 

X

 

 

 

 

 

 

 

 

 

 

 

Water Leaks

 

X

 

 

 

 

 

 

 

 

 

 

 

Belts, Puelly

 

 

 

X

 

 

 

 

 

 

 

 

 

Plumbing

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

Recommended Spare Parts

 

 

 

 

 

 

Oil Change

 

 

 

 

 

 

 

 

 

 

 

 

 

(1 gallon) p/n 01154

 

 

 

 

 

X

 

X

 

 

 

 

 

Plunger Seal Kit

 

 

 

 

 

 

 

 

 

 

 

 

 

(1 kit/pump)

 

 

 

 

 

 

 

 

 

X

 

 

 

Oil Seal Kit

 

 

 

 

 

 

 

 

 

 

 

 

 

(1 kit/pump)

 

 

 

 

 

 

 

 

 

X

 

 

 

Valve Repair Kit

 

 

 

 

 

 

 

 

 

 

 

 

 

(1 kit/pump)

 

 

 

 

 

 

 

 

 

 

 

 

X

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Giant GP6132 installation instructions Every