Troubleshooting analysis – Autoquip PLD DOCK LIFT User Manual
Page 37
37
Lift raises slowly.
•
The structural members of the lift may be binding.
•
The tubing or hose is obstructed or broken. Where
pipe is used, check for obstruction in the line.
•
The hydraulic line or hose may be leaking.
•
The oil viscosity is not suited for the environmental
conditions. Refer to “Routine Maintenance” section
for oil recommendations.
•
Check the oil level in the reservoir.
•
The motor voltage/wiring may be incorrect.
•
The suction screen may be clogged. Remove and
clean the screen. Drain and replace the oil.
•
The suction line may be leaking air due to a loose
fitting. Tighten as needed.
•
The breather holes in the reservoir fill plug may be
clogged. Remove and clean.
•
The power unit pump may be defective.
Lift lowers slowly.
•
The structural members of the lift are binding.
•
The tubing or hose is obstructed or broken. Where
pipe is used, check for obstruction in the line.
•
The oil viscosity is not suited for the environmental
conditions. Refer to “Routine Maintenance” section
for oil recommendations.
•
The return filter may be clogged due to dirt or
damage.
PROBLEM
POSSIBLE CAUSE AND SOLUTION
TROUBLESHOOTING ANALYSIS