FlowMaster™ Rotary Driven Hydraulic Pump
Page Number - 8
7.5A-18110-J00 Form 403566
Troubleshooting
Condition Possible Cause Corrective Action
Pump does not run. Closed supply line shut off valve. Open shut-off valve.
Insufficient Hydraulic Fluid supply. Check hydraulic supply for proper
pressure and flow.
Closed fluid outlet line. Check outlet line and clear
obstructions.
Pump is stalled due to grease Relieve grease backpressure.
backpressure.
Pump is seized or damaged. Dismantle the pump and repair
defective or seized component. See
disassembly and assembly
procedure.
Pump speeds up or runs erratically. Low level of grease or reservoir Refill reservoir.
is empty .
Follower plate is stuck and separated Check follower plate and container
from grease. for damage.
Pump piston or checks are worn. Disassemble the pump and repair.
Pump runs, but output is low. Insufficient hydraulic fluid supply. Check hydraulic supply and adjust
flow.
Inlet pressure too low. Increase pressure using valve 38.
Weepage from housing cover 30. Cup seal (16) or O-Ring (48) failure. Check the seals and replace if
necessary.
Pump becomes noisy. No crank case oil. Add crank case oil. Remove Pipe
Plug (39) from Pump Housing (40).
Oil level should be at the bottom of
the Pipe Plug opening. Add 10W30
motor oil until the crankcase is full.
Worn wrist pin bushing 13. Check the bushings and replace if
necessary.
Americas:
One Lincoln Way
St. Louis, MO 63120-1578
USA
Phone +1.314.679.4200
Fax +1.800.424.5359
Europe/Africa:
Heinrich-Hertz-Str 2-8
D-69183 Walldorf
Germany
Phone +49.6227.33.0
Fax +49.6227.33.259
© Copyright 2005 Printed in USA
Web site:
www.lincolnindustrial.com
Asia/Pacific:
51 Changi Business Park
Central 2
#09-06 The Signature
Singapore 486066
Phone +65.6588.0188
Fax +65.6588.3438
To order call 1-800-548-1191 or visit www.partdeal.com - info@partdeal.com
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