Crane operation
11.9 Heating and air-conditioning system
Operating manual 3 302 736 en 11 - 153
GMK4090
xx.xx.xxxx
11.9.3 Auxiliary heater
You can use the auxiliary air heater to preheat the crane cab.
H
The batteries will be drained if you operate the auxiliary heater with the
engine switched off. You must recharge the batteries at shorter intervals if
you use the auxiliary heater frequently.
Switching on You can set an automatic start time and duration for the heating, over sev-
eral days;
à Setting the heating start/heating duration, p. 11 - 154.
• Before switching on the heating system, check whether it is allowed to be
operated at the current location of the truck crane. Find out whether there
are any possible sources of danger that could result in an explosion.
The engine in the carrier is switched off and the ignition in the driver's cab
is switched off;
à Switch off the engine, p. 4 - 19.
• Switch on the ignition in the crane cab; à Switching the ignition on,
p. 10 - 5.
• Select and confirm the symbol (1) – the submenu opens.
s
G
Risk of explosion when operating the heating system
The heating system may not be operated:
– At service stations and tank farms
– At places where flammable gases or vapours can be found or formed (for
example, at places where fuel is stored and in chemical factories)
– At places where explosive dust can be found or formed (e.g. carbon dust,
wood dust and grain dust)
G
Risk of suffocation when operating the heating system
Do not operate the heating system or the heating system with the timer in
enclosed rooms (for example, garages).
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