Hitachi ZAXIS 30U-5N Operator's Manual page 333

16. Raise fall prevention bar (17) in the arrowed direction
until it comes in contact with bracket (18) mounted on
the cab floor reverse surface. Insert fall prevention bar
(17) into the hole of base (19).
17. Before starting to work under the tilted cab floor, make
sure if fall prevention bar (17) does not come off by
jolting fall prevention bar (17) by hand.
d
WARNING: Fall prevention bar (17) is a redundant
safety device to be functioned in case the floor tilt
mechanism fails. Never attempt to work under the
tilted cab floor supported with only fall prevention bar
(17). Failure to do so may result in a serious personal
accident.
OPTIONAL ATTACHMENT
CAB TILTING MECHANISM
13-21
18
17
MADB-13-030
17
19
MADB-13-031