©Copyright AMKUS Rescue Systems, Inc. 2010 - 2019
LAS-002 August 19, 2019 Rev03
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5.2 CONTROL VALVE
The control valve is equipped with a deadman safety feature, which causes the control valve to return to the OFF position (neutral)
when released (see fi g. 5.2). The movement of the tool will stop and hold its position and load. The control valve has three positions
(see fi g. 5.2)
CLOSE:
clockwise rotation
closes the tool
OFF (Neutral postion):
The control valve actuator returns to
the center with motor stopped
OPEN:
counter clockwise rotation
opens the tool
Figure 5.2
Verify operation of control valve by checking to see if it returns automatically to the neutral position.