Hydraulic & Electrical Diagnostic Equipment Available Here.
Step One:
Check Oil Level in HWH Hydraulic Reservoir.
Step Two:
Check System Voltage.
Step Three:
Check Hydraulic Pressure.
Step Three A:
Check Power Unit Pressure. (Shuttle Valve Test)
Step Four:
Run Leveling System with Pump Run Switch.
Step Five:
Run Leveling System Manually With Touch Pad.
Step Six:
Check leveling system automatically.
JACK DIAGNOSTICS