Komatsu PW160-7H Operation & Maintenance Manual page 317

OPTIONS, ATTACHMENTS
1. STOP VALVE (1)
This valve stops the flow of the hydraulic oil. There is one on both
sides of the arm
(1) FREE: Hydraulic oil flows.
(2) LOCK: Hydraulic oil stops.
When removing or installing attachments, set this valve to the
LOCK position.
2. SELECTOR VALVE (2)
This switches the flow of the hydraulic oil.
Position (1): When clamshell is used
Position (2): When normal operation to bucket cylinder
A To/from main valve
B Clamshell feed
3. CONTROL PEDAL (20)
This is used to operate the attachment.
Pedal for two line attachment (with auto deceleration mechanism)
The breaker is operated by right control lever button (2) and (31).
The breaker is operated with right pedal (1).
PW160-7H VEAM390100
MACHINES READY FOR ATTACHMENTS
31
Right control
lever
2
317