Komatsu PC500LC-10R Shop Manual page 671

60 MAINTENANCE STANDARD
No. Item
The joint of link
18
and bucket
The joint of buck-
19a et cylinder and
link
19b The joint of links
The joint of arm
20
and link
The joint of arm
21
and bucket
The quantity in ( ) after each shim thickness indicates the quantity of shim to be prepared.
*1: The criteria are for the R.H. boom cylinder. The shim adjustment position of the L.H. boom cylinder is re-
verse to R.H.
*2: Use steel (non-flanged) shims.
*3: Use split-type steel shims.
PC500LC-10R
MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE
Lubrica-
tion inter-
val
411
L18: -
50 hours
R18: -
116
(*2) L19a: -
50 hours R19a: Insert shim whose thickness is 1.5 mm (1).
416
L19b: -
(*2)
R19b: Adjust by combining shims whose thickness is 0.8 mm
50 hours
(1) and 1.5 mm (3).
416
L20: Adjust by combining shims whose thickness is 0.8 mm
(*2)
(1) and 1.5 mm (3).
50 hours
R20: -
411
L21: -
(*3)
R21: Adjust by combining shims whose thickness is 0.5 mm
50 hours
(4) and 1.0 mm (16).
Judgment criteria
±0.5 412
±1.2 120
±0.5 -
+0.5
-
0
+0.2
412
-0.7
+1
0.5 to 2.5
0
+1.0
2.3 to 6.2
-0.5
- -
Clearance is
Max. 1.0 mm.
- -
Clearance is
Max. 1.0 mm.
+2.6
0.7 to 4.3
Adjust the
-0.1
clearance to be
0.5 to 1.0 mm
by using shims.
Unit: mm
Remedy
-
-
60-67