Cylinders Lower when Control Valve is in “Slow Raise” PositionCylinders Lower when Control Valve is in “Slow Raise” Position
Damaged check valve in lift circuit.
Repair or replace check valve.
Leaking cylinder packing.
Replace packing. Check oil for contamination that could cause wear.
Check alignment of cylinder.
Leaking lines or fittings to cylinder.
Check and tighten. Examine mating surfaces on couplers for irregularities.