Breaker Operation - Hitachi Zaxis 850LC-3 Operator's Manual

BREAKER OPERATION

The breaker can be operated using attachment pedal (1) lo-
cated on the right front of the seat, as illustrated.
WARNING: Be sure to lock attachment pedal (1) with
pedal lock (2) when the attachment pedal is not in
use.
WARNING: Before operating the hydraulic breaker, be
sure to select the breaker mode using work mode key.
Failure to do so, damage to hydraulic components
and/or the hydraulic breaker may result.
Select hydraulic oil flow rate breaker mode key to the proper
position depending on the mode of hydraulic breaker em-
ployed.
WARNING: Using a hydraulic breaker in an improper
breaker mode may cause the pump to supply exces-
sive oil flow, possibly resulting in damage to the
hydraulic components on the excavator and/or the
hydraulic breaker.
Flow Rate by Breaker Mode
Breaker 1 Mode: 260 L/mim
Breaker 2 Mode: 300 L/mim
Breaker 3 Mode: 320 L/mim
Breaker 4 Mode: 350 L/mim
OPTIONAL ATTACHMENTS AND DEVICES
13-3
1
Locked Attachment Pedal
1
M1J1-01-026
2
M1J1-13-002