KCP 113 - Hydraulic Control Devices

KCP Heavy Industries Co., Ltd. General technical description
3-8
The following actions are triggered in the truck, pump and boom systems when you press one of the
EMERGENCY STOP buttons:
System
Action
Pump
-The “EMERGENCY STOP operated” indicator light on
the control panel turns on.
- The delivery cylinders come to a halt.
- The accumulator pressure is released to tank.
Danger
The accumulator pump and the agitator pump continue to
generate hydraulic pressure, i.e. the accumulator
continues to be filled and the agitator continues to run.
Danger __________________________________________________________________
The EMERGENCY STOP circuit has not influence on the accumulator pump and the agitator
pump, i.e. the accumulator is filled and the agitator continues to rotate, despite the
EMERGENCY STOP button having been pressed in.
_________________________________________________________________________
3.5 Hydraulic control devices
The hydraulic control devices and operating elements on this at the machine are described on the
following pages. The summary start of this chapter will show you where the various control devices
are located on the machine. The symbols used on the hydraulic control devices are described in one
of the preceding sections.
The hydraulic control devices may include the following components, depending on the equipment
on your machine.
- Emergency hydraulic ports
- Agitator lever
- Output controller
- Accumulator dump valve