Carrier Roller - Komatsu PC130-8 Shop Manual

Hydraulic excavator
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SEN03772-01

Carrier roller

No.
Item
1
Outside diameter of tread
2
Tread width
Clearance between shaft and
3
bushing
Interference between collar and
4
bushing
Side clearance of carrier roller
5
(each side)
Tread thickness
6
(at 10 mm from roller outer
edge)
— Oil capacity
6
10 Structure, function and maintenance standard
Standard size
ø 116
123
Tolerance
Standard
size
Shaft
+0.055
ø 40
+0.035
Tolerance
Standard
size
Shaft
+0.061
ø 47
+0.036
Standard clearance
0.363 – 0.537
Standard size
17.7
68 – 76 cc (engine oil: SAE30CD)
Criteria
Repair limit
ø 106
Standard
Clearance
clearance
Hole
+0.261
0.145 –
+0.200
0.226
Standard
interfer-
ence limit
Hole
ence
+0.025
0.011 –
0
0.061
Clearance limit
1.5
Repair limit
12.7
Unit: mm
Remedy
Rebuilding or
replace
limit
Interfer-
Replace
Rebuilding or
replace
PC130-8
1

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