Komatsu PC200-8M0 Shop Manual page 251

403 Hydraulic system, Part 3
Hydraulic cylinder
No. Check item
Clearance between pis-
1
ton rod and bushing
100 hours greasing maintenance specification
No. Check item
Clearance between pis-
2
ton rod support shaft
and bushing
Clearance between cyl-
3
inder bottom support
shaft and bushing
500 hours greasing maintenance specification
No. Check item
Clearance between pis-
2
ton rod support shaft
and bushing
Clearance between cyl-
3
inder bottom support
shaft and bushing
PC200, 200LC, 220, 220LC-8M0
Standard
Cylinder
size
–0.036
Boom 90
–0.090
–0.036
Arm 100
–0.090
–0.030
Bucket 90
–0.076
–0.030
Boom 80
–0.060
–0.030
Arm 80
–0.076
–0.030
Bucket 80
–0.060
–0.030
Boom 80
–0.060
–0.030
Arm 80
–0.076
–0.030
Bucket 80
–0.060
–0.030
Boom 80
–0.060
–0.030
Arm 80
–0.076
–0.030
Bucket 80
–0.060
–0.030
Boom 80
–0.060
–0.030
Arm 80
–0.076
–0.030
Bucket 80
–0.060
Criteria
Tolerance
Standard
clearance
Shaft Hole
+0.222 0.083 to
+0.047
+0.222 0.083 to
+0.047
+0.258 0.078 to
+0.048
Criteria
+0.457 0.400 to
+0.370
+0.457 0.400 to
+0.370
+0.457 0.400 to
+0.370
+0.457 0.400 to
+0.370
+0.457 0.400 to
+0.370
+0.457 0.400 to
+0.370
Criteria
+0.190 0.100 to
+0.070
+0.190 0.100 to
+0.070
+0.175 0.100 to
+0.075
+0.190 0.075 to
+0.070
+0.190 0.100 to
+0.070
+0.190 0.075 to
+0.070
SEN06121-00
Clearance
limit
0.437
0.312
Replace bushing
0.447
0.312
0.447
0.334
1.0
0.517
1.0
0.533
1.0
0.517
Replace pin and
1.0
0.517
1.0
0.533
1.0
0.517
1.0
0.250
1.0
0.266
1.0
0.246
Replace pin and
1.0
0.225
1.0
0.266
1.0
0.225
Unit: mm
Remedy
Unit: mm
Remedy
bushing
Unit: mm
Remedy
bushing
53
10-403