Harsco MARK IV - Operator Armrest Controls - Right; Parking Brake Valve; Workhead Joystick - Right - Work Mode; Combo Clamp Joystick - Right - Work Mode

PAGE 2.1 - 46 OPERATION MARK IV HD J2 TAMPER
REVISED 10 - 2020 CONTROLS BULLETIN 5082505
2.1
2.1.10 Operator Armrest Controls - Right - See Figure 2.1-34
The Operator’s Right Armrest Controls are located on the right side of the Operator’s Seat. The
Operator’s Right Armrest Controls consists of the following controls:
(1) Parking Brake Valve
Push IN the valve knob to APPLY the parking brakes. Pull OUT the valve knob to RELEASE the
parking brakes. The parking brakes will not release until the air system pressure is above 60
PSI (4.14 bar).
a. Important: Always RELEASE the service brakes (lever moved fully FORWARD)
when the parking brakes are APPLIED or machine may roll.
b. The machine is equipped with red brake lights on both the front and rear of the cab
roof that will flash when the parking brakes are applied.
(2) Workhead Joystick - Right - Work Mode
When the joystick is moved to the LEFT, the right workhead will move laterally (traverse) to the
LEFT. When the joystick is moved to the RIGHT, the right workhead will move laterally
(traverse) to the RIGHT. Release the joystick to stop moving the right workhead in either
direction.
When the joystick is pushed FORWARD, the right workhead will raise to its upper setting and
stop. Release the joystick and push FORWARD again to bypass the upper setting to raise the
right workhead higher. When the joystick is pulled REARWARD, the right workhead will lower
and stop at its lower setting. Release the joystick to stop moving the right workhead in either
direction.
(3) Combo Clamp Joystick - Right - Work Mode
When the joystick is moved to the LEFT, the right combo clamp hook will move laterally to the
left (IN). When the joystick is moved to the RIGHT, the hook will move laterally to the right
(OUT) to its outer limit switch setting and stop. Release the joystick to stop moving the right
combo clamp hook in either direction.
When the joystick is pushed FORWARD, the right combo clamp hook will raise to its upper limit
switch setting and stop. Release the joystick and push FORWARD again to bypass the upper
limit switch setting to raise the right combo clamp hook higher. When the joystick is pulled
REARWARD, the right combo clamp hook will lower to its lower limit switch setting. Release
and pull REARWARD again to bypass the lower limit switch setting to lower the right combo
clamp hook lower. Release the joystick to stop moving the right combo clamp hook in either
direction.