Removal And Installation Of Counterweight Assembly - Komatsu PC200-8M0 Shop Manual

SEN06145-00
Removal and installation of
counterweight assembly
Special tools
Part No.
Commercially
Impact wrench
available
Z
Commercially Socket wrench
available (width across flats: 41 mm)
a Use an impact wrench or a socket wrench cor-
responding to the tightening torque of the
counterweight mounting bolt.
3
Counterweight mounting bolt:
1,180 – 1,470 Nm {120 – 150 kgm}
Removal
k
Park the machine on a level ground, lower
the work equipment to the ground stably,
and stop the engine.
k
Disconnect the cable from the negative (–)
terminal of the battery.
1. Mirror specification
1) Remove mirror (1).
2) Sling counterweight assembly (2) tempo-
rarily.
2. Remove 4 pieces of mounting bolt (3).
a Record the locations where the shims
were used.
3. Sling counterweight assembly (2) off.
a Be careful not to bump it against the
engine or radiator or cooler assembly.
4
Counterweight assembly:
3,750 kg (PC200/200LC-8M0)
5,050 kg (PC220/220LC-8M0)
20
50-400
1
Part Name
q 1
q 1
[*1]
[*2]
400 Undercarriage and frame

Removal and installation of counterweight assembly

PC200, 200LC, 220, 220LC-8M0