EVERY 250 HOURS MAINTENANCE
METHOD
FOR CHECKING AND ADJUSTING AIR CONDITIONER COMPRESSOR
BELT TENSION
(Machine with cab specification)
1.
Pull engine rear cover (1) toward you to open it.
Open
engine rear cover (1) fully and it is secured by rod
(2).
2.
Check the belt tension of air conditioner compressor
Press the belt with a finger at a point midway between idle
pulley
(3) and compressor (4). (approximately 58.8 N {ap-
proximately 6.0 kg} )
If deflection (a) is in the standard range (5 to 6 mm {0.197
to 0.236 in} ), the air conditioner compressor belt tension is
correct.
If deflection (a) is out of the standard range, adjust it according to the following procedure.
1)
Loosen bolts (5) (M10, 4 pieces) and remove under-
cover (6).
MAINTENANCE MAINTENANCE PROCEDURE
4-67
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