Snorkel TB47J - Manual (Page 61)

Chapter 11 – Troubleshooting
TB47J – 0075182 57
Symptom
Engine will not start from upper
controls.
Engine dies when the control se-
lector switch at the lower controls
is placed in the platform position.
Constant tone alarm sounds while
the engine is running.
Constant tone alarm sounds and
engine shuts off.
All functions stop working.
Lower controls do
not work.
Possible Cause
The main system circuit breaker on
the upper control panel or wiring box
has tripped. The engine will not crank.
Upper controls are not set-up prop-
erly.
High engine temperature.
Low oil pressure.
No alternator current/broken fan belt.
High engine temperature.
Low oil pressure.
Low fluid level in reservoir.
Engine or pump failure.
Circuit breaker is tripped.
Electrical system malfunction.
Battery disconnect switch turned off.
Emergency stop switch at lower con-
trols is pushed in to the off position.
Corrective Action
Push the main system circuit breaker
button back in. If the button pops back
out, refer the problem to a qualified
service technician.
At the upper controls, pull the emer-
gency stop button upward and turn
the anti-restart master switch on.
Lower the platform and reduce the
engine speed to idle for five minutes.
Turn the engine off and let it cool. Do
not restart the engine until the cause
of overheating has been corrected.
Lower the platform and turn the en-
gine off. Do not restart the engine until
the cause of low oil pressure has been
corrected.
Turn the engine off. Do not restart the
engine until the cause of no alterna-
tor current has been corrected or the
fan belt is replaced.
Let the engine cool. Do not restart
the engine until the cause of overheat-
ing has been corrected.
Do not restart the engine until the
cause of low oil pressure has been
corrected. The engine can be re-
started with low oil pressure, but it
will only run a few seconds before it
shuts off again.
Check fluid level. Add correct type of
fluid if necessary.
Manually stow the machine using the
emergency power system or the
emergency lowering knob.
Push circuit breaker button in to re-
set.
Manually lower the boom using the
emergency lowering knob.
Place switch in the on position.
Pull the emergency stop button out
to the on position.