Check Air Conditioner Compressor Belt Tension, Adjust - Komatsu PC78US-6 Operation & Maintenance Manual

MAINTENANCE PROCEDURE

CHECK AIR CONDITIONER COMPRESSOR BELT TENSION, ADJUST

NOTICE
Check each pulley for damage, wear of the V-groove, and wear of the V-belt. In particular, be sure to check that the V-belt is not
touching the bottom of the V-groove.
In case any of the following occurs, ask the Komatsu distributor in your territory to replace the belts with new ones.
• The fan belt has elongated, leaving little allowance for adjustment.
• A cut or crack is found on the belt.
• Slipping or creaking sound is heard to come from the belt.
When the new V-belt is set, readjust it after operation for an hour.
4 - 58
MAINTENANCE