Every 250 Hours Maintenance; Method For Checking And Adjusting Air Conditioner Compressor Belt Tension - Komatsu PC30MR-5 Operation & Maintenance Manual

MAINTENANCE PROCEDURE
REMARK
For the greasing to boom swing cylinder foot pin, it is the item to be performed in "WHEN REQUIRED".
3.
Check visually that the greasing has been performed properly.
4.
After greasing, wipe off any old grease that is pushed out.

EVERY 250 HOURS MAINTENANCE

METHOD FOR CHECKING AND ADJUSTING AIR CONDITIONER COMPRESSOR
BELT TENSION
(Machine with cab specification)
1.
Pull the engine rear cover (1) toward you to open it.
Open the 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), the air
conditioner compressor belt tension is correct.
If deflection (a) is out of the standard range, adjust it according to the following procedure.
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WENAM00150
MAINTENANCE