Komatsu PC290LC-6K Operation & Maintenance Manual page 186

Hydraulic excavator
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24. SERVICE PROCEDURE
24.2.6 REPLACE BUCKET SIDE CUTTERS
It is dangerous if the work equipment moves by mistake when the
teeth are being replaced. Set the work equipment in a stable con-
dition, then stop the engine and apply the locks securely to the
levers.
1. Untighten nuts
and bolts
2. Clean cutter mounting face on bucket side plate.
3. Check nuts and bolts and replace if damaged.
4. Fit new side cutters.
5. Tighten bolts to 110 ± 10 kgm.
NOTICE
When side cutters are not being used shrouds
prevent wear of the bucket side plate.
3-40
WARNING
and remove side cutters
should be fitted to
and
.

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