Snorkel T85J - Manual (Page 65)

Chapter 11 – Troubleshooting
TB80/TB85J Fixed Axle – 0112792 61
Symptom
Can not reach maximum drive
speed of 3 mph (4.8 km/h).
Wheels will not turn when winch-
ing.
Steer wheels do not turn when the
drive joystick is moved to the right
or to the left.
Steer wheels do not turn right or
left – machines with tow option.
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.
Tow kit steering float valve is open.
Booms are stowed.
Electrical circuit has not had time to
cool.
Electrical system malfunction.
Power supply not plugged in.
GFCI is tripped.
Machine/generator switch not in the
generator position.
Power cord to platform is not plugged
into the AC generator.
Hydraulic oil is cold and thick.
Prolonged boom operation or driving.
High pressure fluid return to reser-
voir 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.
Close the steering float valve.
Normal operation. The tilt alarm is op-
erational 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 wiring
box.
Push reset button on outlet.
With engine running, place the ma-
chine/generator switch in the genera-
tor position.
Plug power cord into the outlet on the
left side of the lower control panel.
Use cold weather hydraulic oil as rec-
ommended for weather conditions.
Warm oil before operating the ma-
chine.
Stop operation until fluid cools.
Remove the kink or twist from the
hose. Let fluid cool before operating.
Stow the machine and do not oper-
ate until repairs are made.
Do not operate machine until repairs
are made.