Mobile B Series - Troubleshooting Guide; Motor Not Running Issues; Ammeter and Motor Performance; Carriage Movement Problems

TROUBLESHOOTING:
CONDITION
CHECK POINT
ACTION
Motor does not run
Battery
Possible shorted cell or discharged battery
Battery cables
All connections must be tight and free of corrosion
Solenoid switch
Use jumper cable to bypass solenoid. If motor runs,
solenoid is defective and needs replacing
Loose wires
Check other wire connections
Ammeter jumps back and forth
All above points
Battery in backwards
Circuit breaker on charger
Check all point
Motor runs - will not raise or hold
position
Release valve rod in pump
Be sure rod is not binding. Remove from pump and
allow oil to drain from port to flush possible dirt from
pump.
Check oil level in reservoir
If low, fill to capacity - 1" from filler hole
Motor keeps running
Starting Switch
Replace
Tap solenoid switch lightly on side to release contact
wire
Carriage lowers too slowly
Rollers in mast
Check for binding
Carriage will not raise
Pump valve assembly
Remove assembly and let oil drain from unit to flush the
opening. Reassemble.
Carriage will not lower
Release plunger
Adjust valve screen.
MOBILE INDUSTRIES Inc.
Tel: 905-279-5370 / 800-527-4612 Fax: 905-279-7384 / 800-952-5097 www.mobilept.com / info@mobilept.com