Troubleshooting
Troubleshooting
Troubleshooting
1.
Follow
Pressure Relief Procedure, page 14
2.
Check all possible remedies in the
Troubleshooting Chart and in your pump
manual Troubleshooting Chart before
disassembling the elevator riser or the pump.
Problem
Problem
Problem
Cause
Cause
Cause
Solution
Solution
Solution
Closed air valve or clogged air line.
Open, clear
Not enough elevator regulator
pressure.
Increase.
Elevator will not raise or lower.
Worn or damaged piston.
Replace.
Elevator lowers too fast or too slow.
Travel rate is not properly adjusted.
Reset. See
.
Elevator raises too fast or too slow.
Too much or not enough elevator
regulator pressure.
Adjust as needed.
Worn or damaged leather cup
packing.
Replace.
Elevator slowly lowers when in
neutral.
Air leak in control box.
Check all tube connections.
Pump air regulator automatically
relieves pressure below desired
target for a 2:1 or 6:1 pump
The relief valve is set to 80 psi to
accommodate the 5:1 pump.
For 2:1 or 6:1 pumps, adjust the
relief valve on the back of the pump
air regulator. Do
Do
Do not
not
not exceed
exceed
exceed the
the
the
pump’s
pump’s
pump’s maximum
maximum
maximum pressure.
pressure.
pressure.
Elevator movement is not smooth.
Leather cup packing needs
lubrication.
Lubricate.
See
Lubricate the Packing, page 20
.
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333406D
