Hitachi ZAXIS 470LC-5B Operator's Manual page 15

d
CAUTION:
 To ensure good footing and visibility, always stand
on the machine service walk when operating
counterweight removal/install operation lever (21).
 To avoid possible personal injury, keep fingers clear
of the movable part of slots (22) and the linkage
when operating cylinder.
f
NOTE: When counterweight removal/install operation lever
(21) is operated, the counterweight removal/install icon on
the monitor blinks and the buzzer sounds intermittently.
16. Slowly operate counterweight removal/install operation
lever (21) several times to ensure yokes (6) moves in slots
(22).
d
CAUTION: Avoid personal injury from sudden
counterweight movement. Move yokes (6) to the
lifting position before bolts (11) and (23) are loosened.
17. Slowly raise the cylinder to hold both lifting yokes (6) in
the lifting position by operating counterweight removal/
install operation lever (21).
18. Alternately loosen each of bolts (11) for 2 or 3 turns.
19. Bend the corner of lock plates (24) away from each head
of bolts (23) to release the lock.
20. Loosen bolts (23).
COUNTERWEIGHT REMOVAL
7
6
22
6
22
11
21
MJAA-NACW1-013
MJAA-NACW1-005
Lifting
Position
MJAA-NACW1-006
23
24
M1J3-NACW1-012