Komatsu PC500LC-10R, Shop Manual, Page: 670 / 758

Unit: mm
No. Item
Lubrica-
tion inter-
val
Judgment criteria Remedy
11
The joint of re-
volving frame
and boom
Boss width Hinge width
Standard
clearance
Clearance is
Max. 1.0 mm.
Standard
dimen-
sions
Tolerance
Standard
dimen-
sions
Tolerance
788
-0.5
-1.0
792
+3
0
4.5 to 8.0
(*2)
100 hours
L11: Adjust by combining shims whose thickness is 0.8 mm
(1) and 1.5 mm (4).
R11: -
12
(*1)
The joint of re-
volving frame
and boom cylin-
der
126 ±1.2 129.3
+1.5
0
2.1 to 6.0
Clearance is
Max. 1.5 mm.
(*2)
100 hours
L12: -
R12: Adjust by combining shims whose thickness is 0.8 mm
(1) and 1.5 mm (3).
13
The joint of
boom and boom
cylinder
895 ±2.9 897
+2
-1
1.0 to 4.9
Clearance is
Max. 1.0 mm.
(*2)
100 hours
L13-1: Adjust by combining shims whose thickness is 0.8 mm
(1) and 1.5 mm (5).
L13-2: -
R13-1: -
R13-2: -
14
The joint of
boom and arm
cylinder
126 ±1.2 129.3
+1.5
0
2.1 to 6.0
Clearance is
Max. 1.0 mm.
(*2)
100 hours
L14: -
R14: Adjust by combining shims whose thickness is 0.8 mm
(1) and 1.5 mm (3).
15
The joint of
boom and arm
391
-0.3
-0.8
395
+0.5
0
4.3 to 5.3
Clearance is
Max. 1.0 mm.
(*2)
100 hours
L15: -
R15: Adjust by any shims whose thickness is 0.8 mm (1),
1.5 mm (3)
16
The joint of arm
cylinder and arm
126 ±1.2 129.3
+1.5
0
2.1 to 6.0
-
(*2)
100 hours
L16: -
R16: Insert shim whose thickness is 1.5 mm (1).
17
The joint of arm
and bucket cylin-
der
116 ±1.2 119.3
+1.5
0
2.1 to 6.0
Clearance is
Max. 1.0 mm.
(*2)
100 hours
L17: -
R17: Adjust by combining shims whose thickness is 0.8 mm
(1) and 1.5 mm (3).
MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE 60 MAINTENANCE STANDARD
60-66 PC500LC-10R