Snorkel TB66J CE - Manual (Page 59)

Chapter 11 – Troubleshooting
TB60/66J – 0084030EE 55
Symptom Possible Cause Corrective Action
Drive functions do
not work.
The drive/boom switch is in the
boom position.
Place the switch in the drive posi-
tion.
Machine on too steep a grade. Lower the booms and drive to a level
surface.
Drive hubs are disengaged. Turn drive wheel disconnect plates
around so nipples point outward.
Low hydraulic system pressure. Stow the machine and do not oper-
ate until repairs are made.
Platform overload sensor is
tripped.
If horn is sounding and red overload
light is on or blinking, remove weight
from the platform until the load is at
or below rated capacity.
Wheels will not turn when
winching.
Drive hubs are engaged. Turn drive wheel disconnect plates
around so nipples point inward.
Only slow drive speed works. The booms are elevated. High range
not selected.
Completely lower the booms. Place
the drive range switch in the high
position.
Tilt alarm does not work. Booms are stowed. Normal operation. The tilt alarm
is not active until the booms are
elevated.
Circuit breaker will not reset. Electrical circuit has not had time
to cool.
Wait a minute or two for circuit to
cool, then push circuit breaker but-
ton in to reset.
Electrical system malfunction. Do not operate machine until repairs
are made.
Electrical outlet does not work. Power supply not plugged in. Plug the power cord into the power-
input connector on the generator.
Machine/generator switch not in the
generator position.
With engine running, place the
machine/generator switch in the
generator position.
Improper AC generator output
voltage.
Hydraulic oil is cold and thick. Use cold weather hydraulic oil as
recommended. Warm oil before
operating the machine.
Hydraulic fluid temperature 93°C
(200°F ) or more.
Prolonged boom operation or driv-
ing.
Stop operation until fluid cools.
High pressure fluid return to res-
ervoir caused by kinked or twisted
hose.
Remove the kink or twist from the
hose. Let fluid cool before resuming
operation.
Hydraulic system component fail-
ure.
Stow the machine and do not oper-
ate until repairs are made.
Severe hydraulic leak. Failure of hose, tube, fitting, seal,
etc.
Do not operate machine until repairs
are made.