Snorkel AB46JRT - Manual (Page 62)

Chapter 11 – Troubleshooting
58 AB46JRT – 0260071
Symptom
Riser and/or main boom drifts
down.
Drive functions do not work.
Can not reach maximum drive
speed of 4.5 mph (7.2 km/h).
Wheels will not turn when
winching.
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.
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Possible Cause
Hydraulic system malfunction.
Load capacity exceeded.
Machine on too steep a grade.
Drive hubs are disengaged.
Low hydraulic system pressure.
Booms are not retracted and lowered.
Drive range switch is in low (turtle).
Drive hubs are engaged.
Booms are stowed.
Electrical circuit has not had time to
cool.
Electrical system malfunction.
Power supply not plugged in.
GFCI is tripped.
AC generator switch not in the genera-
tor 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 reservoir
caused by kinked or twisted hose.
Corrective Action
Stow the machine and do not operate
until repairs are made.
Remove load from platform. Refer to
platform capacity placard for maxi-
mum capacity.
Lower the booms and drive to a level
surface.
Turn drive wheel disconnect plates
around so nipples point outward.
Stow the machine and do not operate
until repairs are made.
Fully retract and lower the booms.
Place the switch in the high (rabbit)
position.
Turn drive wheel disconnect plates
around so nipples point inward.
Normal operation. The tilt alarm is
not operational when the booms are
stowed.
Wait a minute or two for circuit to
cool, then push circuit breaker button
in to reset.
Do not operate machine until repairs
are made.
Plug a source of power into the pow-
er-input connector on the chassis.
Push reset button on outlet.
With the engine running, place the
AC generator switch in the genera-
tor position.
Plug power cord into the outlet on
the generator.
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.