ELECTRIC SYSTEM RT880E SERVICE MANUAL
3-22 Published 11-10-2014, Control # 524-00
battery disconnect switch is turned to the ON position and
push the activation button at the heater control panel. A
green light will illuminate indicating the system is activated.
The start-up and shutdown cycles may take approximately 2
minutes for initialization. Ensure the coolant, transmission
heater, swivel, battery heater, in-line fuel pump, in-line fuel
heater, and hydraulic reservoir heater are heating properly.
To de-activate the heater, push the button at the heater
control panel. The green light will turn off indicating the
system is de-activated. The shutdown cycle may take
approximately 2 minutes.
NOTE: Accelerated discharging of battery will occur when
the crane engine is switched off. If you run the
heater while the crane engine is stopped, the
batteries voltage will need to be recharged after
short periods of time.
Troubleshooting
In case of faults, please check the following points:
• If the heater does not start after being switched on:
- switch the heater off and on again.
• If the heater still does not start, check whether:
- There is fuel in the tank?
- The fuses are OK?
- The electrical cables, connections etc. are OK?
- Anything is clogging the combustion air supply or
exhaust system?
• Check the openings of the combustion air supply and
exhaust system after longer standstill periods, clean if
necessary!
• If the heater remains faulty even after these points have
been checked, or another malfunction occurs in your
heater, contact an authorized Manitowoc distributor or
Manitowoc Crane Care.
Maintenance Instructions
• Switch the heater on once a month for about 10 minutes,
even outside the heating period.
• Before the heating period starts, the heater should
undergo a trial run. If persistent extreme smoke
develops, unusual burning noise or a clear fuel smell
can be perceived or if electric / electronic parts heat up,
the heater must be switched off and put out of service by
removing the fuse. In this case, the heater should not be
started up again until it has been checked by qualified
staff who have been properly trained.
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