3-48 OM 25-3503 us – Edition 4.1 * * 2503_3503b330.fm
Operation
3.27 Cabin heating and ventilation
Information!
The cabin is fitted with three air nozzles. Each nozzle can be closed and
directed separately. In order to achieve best results for defrosting the front win-
dow, open both front right nozzles and the leg room nozzle.
• Direct the nozzles to the front window
• Open or close the nozzles as required to vent or heat the cabin.
• Do not place flammable or explosive material or objects near the nozzles.
• Air the cabin from time to time
3.28 Summer/winter operation
Injury hazard due to rotating parts!
Can cause serious injury or death.
• Stop the engine
• Open the engine cover only if the engine is at a standstill
Adjust cabin temperature as follows:
☞ Open the engine compartment
☞ Turn ball-type cock H as described, to summer or winter operation
☞ Close the engine compartment
– see chapter 3.35 Engine cover on page 3-58
Information!
Summer and winter operation does not depend on the season, adjust accord-
ing to your personal requirements.
Fig. 128: Air circulation in cabin
1
2
43
Ventilation (fresh air)
1st
speed
☞ Press switch 43 down one step
➥ Low fan speed
2nd
speed
☞ Press switch 43 down two steps
➥ High fan speed
OFF
☞ Press switch 43 all the way up
➥ Fan OFF
Fig. 129: Heating adjustment
H
A
B
Position Function
A
Summer operation Cooling
B
Winter operation Heating water circuit open
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