Track Roller - Komatsu PC200-8M0 Shop Manual

300 Undercarriage and frame

Track roller

Track roller

No. Check item
1 Outside diameter of flange
2 Outside diameter of tread
3 Thickness of tread
4 Total width
5 Width of tread
6 Width of flange
Clearance between shaft and
7
bushing
Interference between roller and
8
bushing
Clearance between bushing and
9 collar
(Sum of clearance at both sides)
PC200, 200LC, 220, 220LC-8M0
Standard dimension
188
156
44.5
225
44.5
25.5
Tolerance
Standard
dimension
Shaft
–0.215
60
–0.315
Tolerance
Standard
dimension
Shaft
+0.153
67
+0.053
Standard clearance
0.5 to 1.0
Criteria
Repair limit
—
144
38.5
—
—
—
Standard Allowable
clearance clearance
Hole
+0.195 0.215 to
0 0.510
Standard Allowable
interference interference
Hole
+0.030 0.023 to
0 0.153
Allowable clearance
—
SEN06118-00
1
Unit: mm
Remedy
Rebuild by build-
up welding or
replace
—
Replace bushing
—
Replace
7
10-300