Hitachi ZAXIS 30U-5N Operator's Manual page 330

10. Remove bolts (6) (not covered with resin caps) in the rear
section of the operator's seat.
d
CAUTION:
 If bolts other than bolt (6) are removed, the canopy
or the cab (optional) may come off the floor,
resulting in unexpected accident.
 Care should be taken that if the floor is tilted upward
while raising the front attachment, the canopy or cab
(optional) may come in contact with the boom.
Wrench size:  13 mm
 17 mm
 19 mm
6
Canopy (4 positions at the front)
Canopy (2 positions at the front)
6
OPTIONAL ATTACHMENT
CAB TILTING MECHANISM
ZX60USB-5N
6
Cab (4 positions)
MADG-13-001
MADG-13-002
Canopy (2 positions at the rear)
MADG-13-003
13-18
ZX30U-5N, 35U-5N, 50U-5N
Cab (3 positions)
6
6
Canopy (3 positions at the front)
MADG-13-004
MADG-13-005
MADG-13-006
6