Piston pump, Pto pump drive and oil cooler option, Piston pump -3 – Kinze 3660 Lift and Rotate Planter Rev. 7/14 User Manual

Page 143: Pto pump drive and oil cooler option -3, 3 troubleshooting piston pump

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TM

Model 3660

M0217-01

Rev. 7/11

6-3

Troubleshooting

PISTON PUMP

PRObLEM

POSSIbLE CAUSE

SOLUTION

Pump hard or impossible to

prime.

Valves fouled or in wrong place.

Inspect and clean valves.

Air leak in suction line.

Repair leak.

Pump set too low.

Adjust pump setting.

Packing washers worn out.

Replace.

Low metering.

Valves fouled or in wrong place.

Inspect and clean valves.

Air leak in suction line.

Repair leak.

Pump set too low.

Adjust pump setting.

Broken valve spring.

Replace spring.

Over meters.

Broken discharge valve spring.

Replace spring.

Trash under valves.

Inspect and clean valves.

Improper rate setting.

Adjust pump setting.

Leaks through when stopped.

Broken discharge valve spring.

Replace spring.

Trash under valves.

Inspect and clean valves.

Fertilizer solution leaking

under stuffing box.

Packing washers worn out.

Replace.

Pump using excessive oil.

Oil seals or O-ring worn and leaking.

Replace.

Pump operates noisily.

Crankcase components worn

excessively.

Inspect and replace if necessary.

PTO PUMP DRIVE AND OIL COOLER OPTION

PRObLEM

POSSIbLE CAUSE

SOLUTION

Pump is squealing.

Lack of oil to pump.

Check for plugged suction strainer.

Check oil level.

Oil temperature is high.

Low oil level.

Check oil level and add as required.

Desired fan speed cannot be

achieved.

Low oil level.

Check oil level and add as required.

Plugged filter.

Check and change as required.

Vacuum level not displayed.

Digital vacuum gauge console power
OFF.

Turn ON.

Cable not plugged in.

Check connection.

Digital vacuum gauge console
has no power.

Check fuse.

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