Komatsu PC88MR-10 Shop Manual page 245

2. Mount rubber (rear right)
3. Mount rubber (rear left)
Structure
Mount rubbers (1), (2), and (3) are installed to 4 places in total to fix the cab and floor frame to the
revolving frame.
Mount rubbers (1), (2), and (3) absorb vibration.
The mounting bolts of mount rubbers (1), (2), and (3) also work as cab tipping stoppers, which fix the cab
when the machine tips over.
As shown below, mount rubbers (1), (2), and (3) are different in diameter and thickness, depending on
their locations.
Mount rubber location
Front left, front right
Rear left
Rear right
PC88MR-10
Mount rubber diameter (mm)
72
84
97
10 Structure and function
Cab mount and cab tipping stopper
Mount rubber thickness (mm)
18.5
18.5
25.5
10-167