Komatsu PC210-8 Shop Manual page 1054

UEN00661-00
Removal and installation of swing
circle assembly
Removal
1. Disassemble the revolving frame assembly
referring to the Disassembling Revolving
Frame Assembly section in this manual.
2. Sling swing circle assembly (1) at three points
and remove the mounting bolt to remove the
assembly. [*1]
4
Swing circle Assembly: 300 kg
32
50 Disassembly and assembly
Installation
Installation is done in the reverse order of
q
removal.
[*1]
a Let the soft zone position S mark of an inner
race: a and the soft zone position S mark of an
outer race: b to be right side of the body as
mentioned below and install it to the track
frame.
2
Amount of filled grease:
2
Swing circle mounting bolt threaded portion:
In case of torque tightening:
q
3
Swing circle mounting bolt:
716 – 814 Nm {73 – 83 kgm}
In case of angle tightening:
q
3
Swing circle mounting bolt:
1) Initial torque:
294.2 ± 29.4 Nm {30 ± 3 kgm}
2) After that, rotate the bolt 60 ± 6 °
Grease (G2-LI) 15.8l
Adhesive compound (LT-2)
PC210, 230, 240-8