System Functions
Safety, Operation and Maintenance Manual - Aug 2012
3-44
SY115C9/135C/155H Crawler Hydraulic Excavator
3.6 Roof Hatch
3.6.1 Opening the roof hatch
1. Place hydraulic lockout control (1) to the
LOCK position.
2. Push upward the locks (B) at both sides of
grip (A). Hold the grip (A) and push upward
the roof hatch.
3.6.2 Closing the roof hatch
Hold grip (A) to pull downward the roof hatch.
The locks (B) will be engaged automatically. If
the locks are not engaged properly, open the
roof hatch and try to close it again.
A
B
CZ335-1103060
Secure the lockout control to the LOCK
position when leaving the operator's seat.
Serious accidents can be caused if any
control lever or pedal is maneuvered by
mistake when the lockout control is in
FREE position.
WARNING
Fig. 3-56
Fig. 3-57
1
CZ335-1103053
FREE
LOCK