Removal And Installation Of Counterweight Assembly - Komatsu Galeo PC800-8 Shop Manual

50 Disassembly and assembly
Removal and installation of
counterweight assembly
Removal
1. Set the hanging hook chain of counterweight
assembly (2) and sling the counterweight
assembly temporarily.
a No eyebolts are necessary.
2. Remove 6 mounting bolts (1).
a Width across flats: 65 mm
3. Lift off counterweight assembly (2).
4
Counterweight assembly:
PC800, 850-8
1
[*1]
11,850 kg (PC850)
9,800 kg (PC800)
Installation
Carry out installation in the reverse order to
q
removal.
[*1]
a Adjust the level difference from the exterior
parts with shims (top and bottom clearances).
a Adjust the standard clearance between the
counterweight and revolving frame to 15 mm
or adjust the right and left level differences
evenly.
3
Counterweight mounting bolt:
3,822 ± 392 Nm {390 ± 40 kgm}
a The thickness of the paint film on the counter-
weight mounting seat (revolving frame and
counterweight) and mounting bolt seat (under-
side of the revolving frame) must be 0.03 mm
(30 mm) or less.
SEN01056-01
27