Automatic Height Control

Symptom Problem Solution

Unit will not lower.

Shoes hanging up in raised position.

Adjust linkage so that shoes and linkage move freely.

Unit valve stuck closed.

Adjust or replace unit valve.

Break in power to valve solenoid.

Check for short and repair.

Lift frame cylinder safety stops lowered onto rods.

Raise safety stops.

Valve solenoid failure.

Check for proper function of solenoid.

Units will not raise.

Linkage on unit not closing valve.

Adjust linkage or unit valve location.

Break in power to valve solenoid.

Check for short and repair.

Oil level low.

Fill to correct level.

Valve solenoid failure.

Check for proper function of solenoid.

AG,OUO1011,1226 -19-09SEP99-1/1