Driving
5.7 Heating and air-conditioning system
Operating manual 3 302 736 en 5 - 71
GMK4090
xx.xx.xxxx
Preheating the
driver's cab
Adjust the heating system as follows if the driver's cab is to be preheated in
addition to the engine:
• Switch (1) pushed in at the top.
• Switch (2) to the required fan level Recircu-
lated air
.
• Switch (3) to Warm setting.
• Air vents opened; à p. 5 - 66.
H
If you heat the driver's cab at the same time, the amount of time required to
preheat the engine will increase significantly.
Switching on
• Check whether the auxiliary heater is allowed to be operated at the cur-
rent site of the truck crane before switching it on. Find out whether there
are any possible sources of danger that could result in an explosion.
G
Risk of explosion when operating the auxiliary heater
The auxiliary heater is not allowed to 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
Danger of suffocation when operating the auxiliary heater
Do not use the auxiliary heater in closed spaces (for example, garage).
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