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6. Use the proportional switch to operate the hydraulic
breaker.
NOTICE: In Bucket mode, do not carry out operation us-
ing auxiliary line. If you do that the warning message
"Auxiliary set-up required" will be displayed with alarm
sound. Stop operation immediately and carry out auxil-
iary set-up.
NOTE: To prevent failure or damage to the tool, make
sure that you select the correct circuit configuration and
flow rate and pressure for the tool.
Muti-purpose circuit with pressure adjuster
Pedal type
1. Make the necessary tool connections and then, using
a hexagonal wrench, open the supply valves located
at the tip of the arm, left-hand and right-hand side.
2. Switch (1) located on the right-hand console upwards,
corresponding to the demolition grab.
Every time the switch (1) is pressed, one of the differ-
ent types of flow patterns recorded for the pump can
be selected. For the flow and pressure setting method,
refer to page 3-26.
4 - OPERATING INSTRUCTIONS
4-37
15
EC3339BB
16
VOHLGR-016
17
VOHLGR-002
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