Komatsu PC500LC-10R, Shop Manual, Page: 627 / 758

Unit: mm
No. Item Judgment criteria Remedy
1
Outside diameter of the pro-
truding portion
Standard dimensions Repair limit
Repairing by
build-up weld-
ing or replac-
ing
704 -
2 Outside diameter of the tread 660 648
3 Height of tread 22 28
4 Thickness of tread 35 29
5 Overall width 209.2 -
6 Width of the tread 52.1 -
7
Clearance between bushing
and support
(total of both clearances at
outside and inside)
0.46 to 0.86 -
8
Clearance between the shaft
and bushing
Standard
dimen-
sions
Tolerance
Standard
clearance
Allowable
clearance
Replace the
bushing
Shaft Hole
100
-0.120
-0.207 +0.360
+0.220
0.340 to
0.567
9
Interference between the id-
ler and bushing
Standard
dimen-
sions
Tolerance
Standard in-
terference
Allowable in-
terference
Shaft Hole
107.6
+0.087
+0.037 -0.027
-0.062
0.064 to
0.149
-
60 MAINTENANCE STANDARD MAINTENANCE STANDARD OF IDLER
PC500LC-10R 60-23