8-20
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8.5
CONTROL OF PROPORTIONAL HAND CONTROL
ATTACHMENT TO BE INSTALLED
The operation methods are explained based on the example of a nibbler (crusher) or breaker installed as a front
attachment.
The explanation is based on a case that the opening/closing operation system or breaker operation system is
connected to the nibbler (crusher) pipings.
Operation may differ depending on a manufacturer and specification of an attachment installed.
Check the operation manual for the manufacturer specification of the attachment before operation.
ABOUT USE OF PROPORTIONAL HAND CONTROL
Read, fully understand and follow all safety precautions and procedures in this manual before attempting any
operation of the machine.
When using the nibbler (crusher) or the breaker, see "SELECTION OF ATTACHMENT MODE AND SELECTOR
VALVE" in Chapter 8.
2
3
4
1
Left Control Lever Switch
Right Control Lever Switch
1
Extra control switch
3
Nibbler control switch
2
Horn switch
4
Breaker control switch
8.5.1
EXTRA / ROTARY HAND CONTROL
1
Slide switch (1) on the left control lever to actuate the
extra.
The table below shows that when switch (1) is slid, the
left and right, which side of the front attachment the high
pressure oil flows when seeing it from the inside of the
cab.
Operation procedures
Oil flow
Sliding to the left
Right piping
Sliding to the right
Left piping
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