Removal And Installation Of Sprocket - Komatsu PC88MR-10 Shop Manual

Removal and installation of sprocket

Removal
(PC88MR-DT60-520-K-00-A)
1. Separate the track shoe assembly. For details,
see "Separation of track shoe assembly".
2. Swing the work equipment 90 deg. and raise the
machine off the ground by using the work
equipment to set block [1] between the track
frame and track shoe.
3. Remove mounting bolts (14 pieces) to sling
sprocket (1), and remove it.
Sprocket:
20 kg
Installation
(PC88MR-DT60-720-K-00-A)
Perform installation in the reverse order of
removal.
[*1]
Threaded part of sprocket (1) mounting
bolt:
Adhesive (LT-2)
Sprocket (1) mounting bolt:
186.3 to 225.6 Nm {19 to 23 kgm}
PC88MR-10
50 Disassembly and assembly
(PC88MR-DT60-924-K-00-A)
Undercarriage and frame
50-123