Komatsu Galeo PC800-8 Shop Manual page 117

Hydraulic excavator
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10 Structure, function and maintenance standard
No.
Check item
Outside diameter of outer
1
flange
Outside diameter of inner
2
flange (double flange)
3
Outside diameter of tread
4
Thickness of tread
5
Overall width
6
Width of tread
7
Width of flange
Width of inner flange
8
(Double flange)
9
Axial play
Clearance between shaft and
10
bushing
Interference between roller and
11
bushing
PC800, 850-8
Standard size
Single flange
Double flange
Single flange
Double flange
0.42 – 0.99
Standard
size
100
Standard
size
107.6
Criteria
298
295
255
73.7
328
72
72
29
29
126
Tolerance
Shaft
Hole
–0.140
+0.375
–0.207
+0.235
Tolerance
Shaft
Hole
+0.087
+0.020
+0.037
–0.015
Repair limit
243
67.7
Standard
Clearance
clearance
limit
0.375 –
0.582
Standard
Interference
interference
limit
0.017 –
0.102
SEN00382-01
Unit: mm
Remedy
Rebuild or
replace
Replace bush-
ing
9

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