Troubleshooting - Lincoln B Serie Bedienungsanleitung

Condition
Pump does not run.
Pump speeds up or runs erratically.
Pump runs, but output is low.
Weepage from housing cover 30.
Pump becomes noisy.
Pump does not build pressure.
Form 403750
FlowMaster™ Rotary Driven Hydraulic Pump

Troubleshooting

Possible Cause
No pressure on gauge (72):
- Closed Supply line shut off valve.
- No power to solenoid valve (73).
- Faulty Solenoid (74).
- Pressure Reducing Valve (77) is
set too low.
Pressure is shown on gauge (72):
- Closed Fluid outlet line.
- Flow Control valve is fully closed.
- Pump is stalled due to grease
backpressure.
Low level of grease or reservoir
is empty
Follower plate is stuck and separated
from grease.
Pump piston or checks are worn.
Inlet pressure too low.
Faulty inlet (25, 27) , faulty discharge
check (18, 19) or damaged O-ring (26).
Cup seal (15) or O-Ring (13b) wore out.
No crank case oil.
Worn wrist pin bushing (12).
Foreign material holding lower
check open.
7.5A-18100-J03
Corrective Action
Open shut-off valve.
Correct electrical fault.
Replace solenoid (74).
Reset Pressure Reducing Valve (77).
Check hydraulic supply for proper
Check outlet line and clear
obstructions.
Readjust valve to 3/4 turn open.
Check vent valve in system.
Dismantle the pump and repair
disassembly and assembly
procedure.
Check follower plate and container
for damage.
Disassemble the pump and repair.
Check hydraulic supply and adjust
Increase pressure using valve (77).
Replace faulty components.
Check the seals and replace if
necessary.
Add crank case oil. Remove Pipe
Plug (67a) from Pump Housing (67).
Oil level should be at the bottom of
the Pipe Plug opening.
Check the bushings and replace if
necessary.
Dismantle & clear check. Consider
installing strainer 272180©
before returning pump to service.
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