Track Shoe - Komatsu PC20R-8 Shop Manual

TRACK SHOE

STEEL SHOE
4
3
No. Check item
1 Link pitch
Outer diameter
2
of bushing
3 Grouser height
4 Link height
Interference between
5
regular pin and link
Interference between
6
pin and link
Interference between
7
master pin and link
Clearance between
8
link joint faces
40-10
1
Standard size
101.6
15
16.5
61
Tolerance
Standard
size
Shaft
+0.22
32
+0.12 + 0.05
+0.15
19
+0.12 + 0.05
+0.02
19
+0.07 + 0.05
Standard size
0.6
8
7
Criteria
Repair limit
Ð
104
30
28
8.5
5
Standard
interference
Hole
0
0.07
0
0.07
0
0.02
Clearance limit
1.2
6
2
5
RKP02060
Unit: mm
Remedy
Rotate pin
or replace
Replace
Rotate
bushing or
replace
Replace
Build up by
welding or
replace
Interference
limit
0.22
0.15 Replace
0.12
PC20R-8 PC27R-8