Crane operation
11.7 Heating and air-conditioning system
11 - 134 3 112 993 en Operating manual GMK 6400
12.07.2013
11.7.3 Auxiliary water heater
H
The batteries will run down 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.
You can use the auxiliary water heater to:
– Preheat just the engine
– Preheat the engine and crane cab simultaneously
Preheating the
engine
If only the engine is to be preheated, adjust the heating system as follows:
• Switch (1) to Warm setting
• Switch (2) to position Fan off
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