Autoquip PDQ DOCK LIFT - Manual (Page 36)

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PROBLEM POSSIBLE CAUSE AND SOLUTION
Lift will not remain in
raised position. • The cylinder packing may be leaking.
• The pump regulator is not seating.
• The pump check valve is not seating.
• The hydraulic tubing, hose, or fitting is leaking oil.
• The return filter may be clogged.
TROUBLESHOOTING ANALYSIS