Snorkel TB85J Fixed Axle CE - Manual (Page 66)

Chapter 11 – Troubleshooting
62 TB80/TB85J Fixed Axle – 0112823EE
Symptom
Can not reach maximum drive
speed of 4.8 km/h (3 mph).
Wheels will not turn when winching.
Steer wheels do not turn when the
drive joystick is moved to the right
or to the left.
Tilt alarm does not work.
Circuit breaker will not reset.
Electrical outlet does not work.
Improper AC generator output
voltage.
Hydraulic fluid temperature 200°F
(93°C) or more.
Severe hydraulic leak.
Possible Cause
Booms are not retracted and lowered.
Drive range switch is in LO or MID.
Drive hubs are engaged.
The drive joystick must be in the for-
ward or reverse position for the steer-
ing wheels to turn or the main boom
must be stowed.
Booms are stowed.
Electrical circuit has not had time to
cool.
Electrical system malfunction.
Power supply not plugged in.
Machine/generator switch not in the
generator position.
Hydraulic oil is cold and thick.
Prolonged boom operation or driving.
High pressure fluid return to reservoir
caused by kinked or twisted hose.
Hydraulic system component failure.
Failure of hose, tube, fitting, seal,
etc.
Corrective Action
Fully retract and lower the boom.
Place the switch in the HI position.
Turn drive wheel disconnect plates
around so nipples point inward.
Push the drive joystick slightly for-
ward or backward when operating
steer right or left.
Normal operation. The tilt alarm is
operational when the booms are
near horizontal.
Wait a minute or two for circuit to
cool, then push circuit breaker but-
ton in to reset.
Do not operate machine until repairs
are made.
Plug a source of power into the
power-input connector on the gen-
erator.
With engine running, place the ma-
chine/generator switch in the gen-
erator position.
Use cold weather hydraulic oil as
recommended for weather condi-
tions. Warm oil before operating the
machine.
Stop operation until fluid cools.
Remove the kink or twist from the
hose. Let fluid cool before operat-
ing.
Stow the machine and do not oper-
ate until repairs are made.
Do not operate machine until repairs
are made.