Snorkel AB46JRT - Manual (Page 60)

Chapter 11 – Troubleshooting
56 AB46JRT – 0260071
Symptom
Engine will not start from
upper controls.
Engine starts from the upper
controls but no boom functions
work – machines with AC gen-
erator option only.
Engine dies when the control
selector switch at the lower
controls is placed in the upper
control position.
Constant tone alarm sounds
while the engine is running.
Continued on next page...
Possible Cause
Switches are set wrong. The engine
will not crank.
Platform foot switch is activated.
The start switch was left in the on
position for 30 seconds or longer
before turning it to start.
The circuit breaker on the upper
control panel has tripped. The en-
gine will not crank.
The AC generator switch is in the
generator position.
Upper controls are not set-up prop-
erly.
High engine temperature.
Low oil pressure.
Corrective Action
Turn the battery disconnect switch on
and then at the lower controls:
• Turn the start switch off.
• Pull the emergency stop button
outward.
• Place the controls switch in the
upper control position.
• Place the start switch in the on
position.
From the upper controls:
• Turn the start switch off.
• Pull the emergency stop button
outward.
• Place the start switch in the on
position for 5 seconds and the
then turn the switch to start.
Do not step on foot switch while start-
ing the engine.
Turn the start switch back to off, then
to start within 30 seconds.
Push the circuit breaker button back
in. If the button pops back out, refer
the problem to a qualified service
technician.
Place the switch in the machine posi-
tion to operate machine functions.
At the upper controls, pull the emer-
gency stop button upward and turn
the start 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
engine off. Do not restart the engine
until the cause of low oil pressure has
been corrected.