Removal And Installation Of Swing Circle Assembly - Komatsu ecot3 PC300LC-8 Shop Manual

50 Disassembly and assembly
Removal and installation of swing
circle assembly
Removal
k
Disconnect the negative terminal (–) from
the battery.
1. Disassemble the revolving frame assembly refer-
ring to the "Removal and installation of revolving
frame assembly" section in this manual.
2. Sling swing circle assembly (1) at 3 points and
remove the mounting bolt to remove the
assembly.
4
Swing circle assembly: 500 kg
Installation
Installation is done in the reverse order of
q
removal.
[*1]
2
Threads of swing circle mounting bolt:
3
Swing circle mounting bolt:
926.7 ± 103 Nm {94.5 ± 10.5 kgm}
a Set the soft zone S mark on the inside ring of
the inner race facing the right side as shown in
the diagram. Then install to the track frame.
2
Volume charged to grease bath:
PC300, 350-8
1
[*1]
Adhesive (LT-2)
Grease (G2-LI) 33 l
SEN02637-02
19