Komatsu PC200-8M0 Shop Manual page 1073

400 Undercarriage and frame
Removal and installation of counterweight assembly
Installation
q Confirm the followings before installing the
counterweight.
a Confirm that recirculation prevention sheets (4)
to (9) are installed securely.
PC200/200LC: (4) only
PC220/220LC: (4) to (9)
a Install recirculation prevention sheets (4) to (9)
securely. If they are peeled, heated air in the
engine room may flow into cooling side, and it
will cause engine over heat.
q Installation is done in the reverse order of re-
moval.
[*1]
2
Mounting bolt threaded section:
Adhesive compound (LT-2)
3
mounting bolts:
1,180 – 1,470 Nm {120 – 150 kgm}
[*2]
a Installation and adjustment of counterweight
1) Using shims, adjust the differences in
level or gaps between the counterweight
and the exterior of machine body.
2) Fix the counterweight so that the clear-
ances in the direction of front and rear are
even and within the limit of 10 ± 5 mm 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 door (D) and
counterweight (C)
(a): 10 ± 4 mm
The difference in level in left to right direc-
tion between revolving frame (R) and
counterweight (C)
(b): 5 mm or less
The difference in level in up and down
direction between exterior upper cover
(UC) and counterweight (C)
(c): 0 ± 5 mm
are the respective limits for the mounting
adjustment.
PC200, 200LC, 220, 220LC-8M0
a Rear view (Enlarged drawing for right
hand side)
SEN06145-00
21
50-400