Sprocket - Komatsu PC20R-8 Shop Manual

SPROCKET

No. Check item
Wear at roots of
1
sprocket teeth
Wear at tips of
2
sprocket teeth
Face width at tips of
3
sprocket teeth
Face width at base
4
of sprocket teeth
PC20R-8 PC27R-8
120 Nm
2 1
Standard size
344.3
386.2
20
27
4
3
RKP02050
Criteria
Tolerance
+1
± 2
w1.5
Ð
+0.5
± 1
Unit: mm
Remedy
Repair limit
332
Build up by
374
solder or
replace
18
25
40-5