Attachment Pedal (Hydraulic Breaker) (Optional) - Hitachi 120-3 class Operator's Manual

Hydraulic excavator
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ATTACHMENT PEDAL (HYDRAULIC BREAKER)
(OPTIONAL)
The breaker can be operated using attachment pedal (1) lo-
cated on the right front of the seat, as illustrated.
CAUTION: Be sure to lock attachment pedal (1) with
pedal lock (2) when the attachment pedal is not in
use.
1. Select the hydraulic breaker icon on monitor work mode
selection screen (4). Refer to the descriptions about the
work mode on page 5-9 for work mode setting proce-
dures.
2. Move pedal lock (2) forward to unlock attachment pedal
(1).
3. Push down on attachment pedal (1) to operate the break-
er.
Loosen the stopper bolt (3) until the stopper bolt (3)
comes in contact with the bracket in attachment pedal
neutral to prevent attachment pedal (1) from being
stepped backward.
4. Remove foot from attachment pedal (1) to stop the
breaker.
5. Always keep attachment pedal (1) locked with pedal lock
(2) when the attachment pedal is not in use.
IMPORTANT: When operating a hydraulic breaker, do
not step on attachment pedal (1) rearward.
Damage to the hydraulic breaker may result.
OPERATING THE MACHINE
5-2
Locked Attachment Pedal
3
Unlocked Attachment Pedal
1
M1U1-05-008
T1V5-05-01-109
1
2
M1J1-13-002
1
M1J1-13-003
4
2

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