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Maintenance
Replace bucket tooth with segment edge
WARNING
It is dangerous if the work equipment moves by mistake
when the teeth are being replaced. Set the work equipment
in a stable condition, stop the engine, and lock the work
equipment control levers securely with the work equipment
lock lever.
Pieces may fly during the replacement operation, so always
wear protective glasses, gloves, and other protective equip-
ment.
Replace the bucket teeth and the segment edges before they
wear down to the end face of the bucket.
1. Raise the bucket to a height greater than the height of the
block.
2. Set the bucket so that the bottom of the bucket is horizontal
to the block, then set the center of the bucket bottom on the
block.
3. After lowering the bucket onto the block, stabilize it, then
stop the engine.
4. Remove the bolt and nuts (1) and (2), then remove bucket
tooth (3) and segment edge (4).
5. Clean the installation surface of bucket tooth (3) and seg-
ment edge (4).
6. Install a new tooth and segment edge to the bucket. When
doing this, insert shims to remove any clearance between
the tooth and top surface of the bucket.
7. Tighten the nut temporarily so that there is no clearance
between the tooth and tip of the bucket, then hit the tip of the
tooth with a hammer.
Mounting bolt tightening torque
Mounting bolt for bucket tooth:
883 to 1200N·m (90 to 122kgf·m, 651 to 882lbft)
Mounting bolt for segment edge:
1600 to 2160N·m (163 to 220kgf·m, 1179 to 1591lbft)
The segment edge can be turned over and used again.
8. After operating the machine for a few hours, tighten the
mounting nuts again.
WA500-6H – VEAM430100
4.9 Service procedure
When required
2
1
4
3
GK050206
4-43
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