Komatsu PC500LC-10R Shop Manual page 669

60 MAINTENANCE STANDARD
No. Item
Clearance between mount-
1 ing pin and bushing of re-
volving frame and boom
Inside diameter of bushing
insertion portion on boom
2
side in joint of revolving
frame and boom
Clearance between mount-
3 ing pin and bushing of boom
and arm
Inside diameter of bushing
4 insertion portion on arm side
in joint of boom and arm
Clearance between mount-
5 ing pin and bushing of arm
and link
Inside diameter of bushing
6 insertion portion on arm side
in joint of arm and link
Clearance between mount-
7 ing pin and bushing of arm
and bucket
Inside diameter of bushing
8 insertion portion on arm side
in joint of arm and bucket
Clearance between mount-
9 ing pin and bushing of link
and bucket
Clearance between mount-
10
ing pin and bushing of links
PC500LC-10R
MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE
Judgment criteria
Standard Tolerance
dimen-
Shaft
sions
-0.043
130
-0.106
145 -
-0.043
130
-0.106
145 -
-0.036
100
-0.090
115 -
-0.036
110
-0.090
140 -
-0.036
100
-0.090
-0.036
100
-0.090
Standard
clearance
Hole
+0.146
0.110 to
0.252
+0.067
+0.063
-
0
+0.352
0.312 to
0.458
+0.269
+0.063
-
0
+0.329
0.295 to
0.419
+0.259
+0.054
-
0
+0.336
0.307 to
0.426
+0.271
+0.04
-
0
+0.329
0.295 to
0.419
+0.259
+0.329
0.295 to
0.419
+0.259
Unit: mm
Remedy
Allowable
clearance
Replace the pin
1.0
and bushing
Machining after
- build-up weld-
ing
Replace the pin
1.0
and bushing
Machining after
- build-up weld-
ing
Replace the pin
1.0
and bushing
Machining after
- build-up weld-
ing
Replace the pin
1.0
and bushing
Machining after
- build-up weld-
ing
1.0
Replace the pin
and bushing
1.0
60-65