1.
Remove nut (2) of breather assembly (1) at the top of the
battery cover, then remove cover (3).
2.
Replace breather element (4) with a new one.
3.
Install cover (3) and nut (2).
In order not to damage the threaded portion of nut, tighten
nut (2) by hand until it is seated, then tighten it 15 to 25° by
using a tool.
NOTICE
If breather assembly (1) is removed for replacement,
apply a tool to bolt (5) and tighten it.
Tightening torque: 6.5 to 8.5 Nm{0.66 to 0.87 kgm}
METHOD FOR CHECKING DRIVE BELT TENSION PULLEY ASSEMBLY FOR AL-
TERNATOR AND AIR CONDITIONER COMPRESSOR
METHOD OF CHECKING
Check the pulley for play and grease leakage.
If any abnormality is found, ask your Komatsu distributor for re-
pair or replacement.
METHOD FOR LUBRICATING
1.
By using a grease pump, pump in grease through the
grease fittings shown by arrows.
2.
After greasing, wipe off any old grease that is pushed out.
EVERY 2000 HOURS MAINTENANCE
Maintenance for every 250, 500, and 1000 hours services should be performed out at the same time.
MAINTENANCE PROCEDURE MAINTENANCE
4-66
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