Komatsu PC88MR-10 Shop Manual page 1312

60 Maintenance standard
Work equipment
No. Item
Clearance between
14 mounting pin and bushing
of links
Clearance between
15 mounting pin and bushing
of track frame and blade
No. Item
Joint of revolving frame
16
and boom swing bracket
Joint of boom swing
17
bracket and boom
Joint of boom swing
18 cylinder and swing
bracket
Joint of revolving frame
19
and boom swing cylinder
Joint of boom swing
bracket and boom
20
cylinder
Joint of boom and boom
21
cylinder
Joint of boom and arm
22
cylinder
Joint of arm cylinder and
23
arm
24 Joint of boom and arm
60-60
-0.030
60
-0.100
-0.025
50
-0.087
Width of boss
Standard
Tolerance
dimension
0
393
-1
U16:
L16: Insert shims 1.0 mm thick (3) and 0.5 mm thick (2)
0
389.5
-0.5
L17: Insert shim 1.0 mm thick (1)
R17: Insert shims 1.5 mm thick (1) and 1.0 mm thick (1)
a Be sure to insert one shim 1.0 mm thick on L17 side.
a Be sure to insert one shim 1.5 mm thick on R17 side.
0
75
-0.5
U18: Insert shim 1.0 mm thick (1)
L18:
0
75
-0.5
U19: Insert shim 1.0 mm thick (3)
L19:
0
75
-0.5
L20: Adjust by combining shims 2.0 mm thick (1) and 1.0 mm
thick (1)
R20:
70 ±1.2
L21:
R21: Insert shim 1.0 mm thick (1)
0
65
-0.5
L22:
R22: Insert shim 1.0 mm thick (1)
70 ±1.2
L23: Insert shim 1.0 mm thick (2)
R23:
-0.5
220
-1.0
L24: Adjust by combining shims 1.0 mm thick (1) and 0.5 mm
thick (1)
R24:
Criteria
+0.173
0.130 to
0.273
+0.100
+0.142
0.105 to
0.229
+0.080
Criteria
Width of hinge
Standard
Tolerance
dimension
+0.5
396.5
0
+2
392
0
+1.5
75
+0.5
+2
78
0
+2
77
0
+1
71.5
0
+1
66.5
0
+1
71.5
0
+0.5
220
0
Unit: mm
Remedy
Replace pin
1.0
and bushing
Replace pin
1.0
and bushing
Unit: mm
Remedy
Standard
clearance
Adjust
3.5 to 5.0
clearance to
0.5 mm or
less by using
shims
2.5 to 5.0
-
0.5 to 2.0 Adjust
clearance to
1.0 mm or
less by using
shims
Adjust
3.0 to 5.5
clearance to
1.0 mm or
less by using
shims
2.0 to 4.5 Adjust
clearance to
1.0 mm or
less by using
shims
0.3 to 3.7
-
1.5 to 3.0
-
0.3 to 3.7 Adjust
clearance to
1.0 mm or
less by using
shims
0.5 to 1.5
-
PC88MR-10