Air Conditioner - Volvo EC330B Operator's Manual

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S82260
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Air conditioner

IMPORTANT
The system contains HFC (R134a) under pressure.
By law, HFC must not be deliberately released.
Repairs and re-filling of the refrigerant system must only be
done by trained personnel. Contact your authorized Volvo
Construction Equipment workshop.
Change air conditioner/heater filter every 1000 hours or
6 months
B
If the air conditioner filter is clogged, the air flow will be reduced
and cooling / heating capacity will also be reduced.
Therefore, clean it periodically.
Installing and dismantling the filter
1 Unscrew bolts (A).
2 Pull filter lever (B) for air conditioner ambient filter (C), push the
latches (E), open the cover and take out the main filter (D).
3 Clean the filter with compressed air.
4 If the filter is damaged or heavily contaminated, replace it with
a new one.
5 Check for damage.
6 Install the filter, and assemble it in reverse order.
Adjusting air conditioner belt tension
IMPORTANT
If the belt tension is not correct, the performance of the com-
pressor is reduced and the belt and the compressor may be
damaged.
Press belt in the middle between the pulleys with a force of 10
kgf·m If it is depressed about 7-10 mm, the belt tension is correct.
Loosen nut (A) of idler pulley, and adjust the belt tension with ad-
justing bolt (B).
S83142
Service and maintenance
Air conditioner 165