4.9 Service procedure
Maintenance Every 250 hours service
WA470-6H – VEAM946100 4-63
Check air conditioner compressor belt tension, adjust
Before starting the operation, or remove cover (1).
Checking
The standard deflection between the air conditioner compressor
pulley and crank pulley when pressed with a thumb (approx. 98
N) should be approx. 25 to 26 mm.
When a belt tension gauge is used, the standard tension is
within a range of 294 to 441 N.
Check when changing the V-belt
The standard deflection between the air conditioner compressor
pulley and fan pulley when pressed with a thumb (approx. 98 N)
should be approx. 22 to 23 mm.
When a belt tension gauge is used, the standard tension is
within a range of 540 to 637 N.
REMARK
When the belt has been replaced with a new part, a high tension
is necessary, so the initial tension is in the value given above.
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