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MAINTENANCE PROCEDURE
Wear standards
(SIGMA dozer)
Item
No.
Measuring point
1
Outside height of end bit
2
Width of end bit
3
Inside height of end bit
4
Height of cutting edge
(From center of bolt mounting
5
hole to end surface)
REMARK
When the end bit and cutting edge are replaced or inver-
ted, end portion (a) of mounting plate (b) may be worn.
However, the wear of this portion does not affect the serv-
ice life of the blade.
(Semi-U dozer, U-dozer)
The symbols of the work equipment are as follows;
A: Semi-U dozer
B: U-dozer
Item
No.
Measuring point
Outside height of
1
end bit
2
Width of end bit
Inside height of end
3
bit
Height of cutting
edge
4
(From center of bolt
mounting hole to
end surface)
4-28
Criteria
Standard
Repair limit
dimension
300 mm
640 mm
330 mm
165 mm
Criteria
Work
Standard
equip-
Repair limit
dimension
ment
A
315 mm
B
A
540 mm
B
492 mm
A
254 mm
B
A
127 mm
B
235 mm
560 mm
270 mm
105 mm
115 mm
235 mm
440 mm
392 mm
215 mm
102 mm
MAINTENANCE
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