Komatsu HM400-5, Operation & Maintenance Manual

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2.
Remove pin (7) in the mount at the rear of the cab, and in-
sert pin (8) instead. (each of the right and left)
A: For traveling
B: For tilting
3.
Remove cab mounting bolts (9) (8 pieces).
4.
Open the cab power tilt unit on the L.H. fender.
5.
Turn valve (10) clockwise and close it fully.
6.
Set switch (11) to ON position to raise the cab.
7.
After tilting up the cab, fix it in position with lock bar (12).
Make sure that lock bar (12) is installed in the correct di-
rection and lock it securely with lock (13).
8.
When lowering the cab, remove lock bar (12).
9.
Turn valve (10) counterclockwise and open it gradually.
The cab lowers slowly.
10. After returning the cab to its original position, remove pin
(8) and insert pin (7) instead.
11. Install mounting bolts (9) (8 pieces).
HANDLE CAB POWER TILT ATTACHMENTS AND OPTIONS
6-4