Komatsu PC210-8 Shop Manual page 1073

50 Disassembly and assembly
Removal and installation of
counterweight assembly
Removal
1. Remove mirror (1).
2. Sling counter weight assembly (2) temporarily.
3. Remove 4 pcs. of mounting bolt (3). [*1]
a Record the locations where the shims
were used.
4. Sling take counter weight assembly (2) off. [*2]
a Be careful not to bump it against the
engine or radiator or cooler assembly.
4
Counter weight assembly:
4,000kg (PC210/210LC-8)
4,300kg (PC210NLC/230-8)
5,250kg (PC240LC/240NLC-8)
PC210, 230, 240-8
Installation
Installation is done in the reverse order of re-
q
moval.
[*1]
2
Mounting bolt threaded section:
3
mounting bolts:
PC210/230: 1,960 – 2,450 {200 – 250 kgm}
PC240: 1,180 – 1,470 Nm {120 – 150 kgm}
[*2]
a Installing and adjusting counterweight
1) Using shims, adjust the differences in
level or gaps between the counter weight
and the exterior of body work.
a Shims:20Y-46-11410
2) Fix the counter weight so that the clear-
ances in the direction of front and rear are
even and within the limit of 10±5mm for
both from the doors and from the revolving
frame.
3) The difference in level in left to right direc-
tion between the exterior of the door (D)
and the counter weight (C)
a: 10 ± 4 mm
The difference in level in left to right direc-
tion between the revolving frame (R) and
the counter weight (C)
b: 5 mm or less
The difference in level in up and down
direction between the exterior upper cover
(UC) and the counter weight (C)
c: 0 ± 5 mm
are the respective limits for the mounting
adjustment.
a Rear view (Enlarged drawing for right
hand side)
UEN00662-00
Adhesive compound (LT-2)
17