
162 918496/GP0313
Travel drive overheating Drive system continuously
overloaded
Improve operation
procedure
Lift/tilt or auxiliary system
continuously overloaded
Improve operation
procedure
Drive motor(s) or hydrostatic
pump(s) internal damage/
leakage
Contact dealer
Oil cooler fins restricted Clean oil cooler fins
Hydraulic oil filter restricted Replace filter
Sticking flushing valve
(AL100/200/300 series)
Repair/replace flushing
valve
AL 100 Series hydraulic
tanks not evenly filled
See “Checking Hydraulic
Oil Level” on page 122
Electrical Troubleshooting
Problem Possible Cause Corrective Action
Electrical system does not
function
Battery disconnect switch is
in OFF position
Turn battery disconnect
switch to ON
Battery terminals or cables
loose or corroded
Clean battery terminals
and cables and retighten
Battery malfunction Test battery—recharge/
replace as necessary
Blown main fuse Replace main fuse
Instrument display does not
activate with key switch on
Blown fuse Check circuit and
replace fuse
Battery terminals/cables
loose/corroded
Clean battery terminals
and cables and tighten
Fuel gauge does not
work
Fuel gauge sender
malfunction
Replace fuel gauge
sender
Loose wiring/terminal
connections
Check wiring
connections
Blown fuse Check circuit and
replace fuse
Hydrostatic Drive System Troubleshooting
Problem Possible Cause Corrective Action
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