Komatsu PC130-8 User Manual

10 Structure, function and maintenance standard SEN03771-01
PC130-8
5
1
Unit: mm
No. Item Criteria Remedy
1
Backlash between swing motor
s
haft and No. 1 sun gear
Standard clearance Clearance limit
Replace
0.07 – 0.18 0.4
2
Backlash between No. 1 sun
g
ear and No. 1 planetary gear
0.13 – 0.31 0.6
3
Backlash between No. 1 plane-
tary gear and ring gear
0.15 – 0.34 0.7
4
Backlash between No. 1 plane-
tary carrier and No. 2 sun gear
0.14 – 0.34 0.7
5
Backlash between No. 2 sun
g
ear and No. 2 planetary gear
0.13 – 0.31 0.6
6
Backlash between No. 2 plane-
tary gear and ring gear
0.15 – 0.34 0.7
7
Backlash between No. 2 plane-
tary carrier and swing pinion
0.08 – 0.19 0.4
8
Back lash between Swing pin-
ion and swing circle
0.13 – 1.16 2.3
9
Outside diameter of oil seal
c
ontacting surface on swing
pinion collar
Standard size To lera nc e Repair limit
Repair by hard
chrome-plating
or replace
ø 145
0
-0.100
ø 144.8

Komatsu PC130-8 Specifications

General

Brand	Komatsu
Model	PC130-8
Category	Excavators
Language	English