2727
Stripe Hog Systems
2.3 Hog Arm and Hog Heads
Overview
The Hog Arm assembly is mounted to the front of
the chassis, just forward of the bumper All func-
tions or the Hog Heads and arm are controlled by
the joystick and switches in the joystick console.
The hydraulic system provides the power for all
functions of the Hog Arm and the power to drive
the hydraulic thru-shaft motors that rotate the
spray bars.
The hydraulic system is powered by the truck
engine. The truck must be in “Operate Mode”
with the PTO engaged and transmission in gear
before the hydraulic system will operate. (Refer
to the Startup procedure in the Operation section
of this manual).
The SH8000 is equipped with 5-Axis Hog Arm. The
arm is a two stage design allowing the operator
to move the entire arm side to side or only move
the forward section using controls in the joystick
control console. The arm can also be set to oat.
Hog Arm Float Mode is activated by pressing the
FLOAT MODE switch in the joystick console and
should always be used whenever waterblasting
operations are underway. FLOAT MODE releases
all up and down hydraulic pressure from the arm
allowing the blasting heads and arm to move freely
up or down with the contour of uneven surfaces
Typical 5 Axis Hog Arm
Joystick Control Console & PLC
to prevent damage to the blasting heads and arm
during removal operations. The Hog Arm can be
moved from left to right but cannot be raised up
or down while in Float Mode.
Refer to the Joystick Control Console in this sec-
tion for additional information on Joystick control
functions.
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