PAGE 2.1 - 36 OPERATION MARK IV HD J2 TAMPER
REVISED 10 - 2020 CONTROLS BULLETIN 5082505
2.1
2.1.7 Operator Seat - See Figure 2.1-31
The Operator’s Seat is located in the center of the cab. The Operator’s Seat consists of the
following controls:
(1) Operator Seat
The Operator's Seat is adjustable to suit the operator's preference. Depending upon the type of
seat specified by the customer, the seat may be adjusted forward / rearward, raised / lowered,
back tilted, lumbar support, etc. The seat should be adjusted for operator comfort and easy
access to all controls. The seat is equipped with Operator Restraints (seat belts). They must be
used at all times when operating on track.
(2) Seat Swivel Lock Cable / Latch
To unlock the seat pedestal to pivot the seat, pull and hold the lock cable to unlock the seat
latch mechanism. Pivot the seat to the desired position. Then release the lock cable. When the
seat is pivoted back to the facing forward position, the seat latch mechanism will automatically
lock the seat pedestal again.
(3) Foot Rest
The foot rest is adjustable to suit the operator's preference. The foot rest should be adjusted for
operator comfort and easy access to all controls.
(4) Travel / Cycle Foot Switch
The function of the foot switch depends upon whether the machine is operating in the Travel
Mode or Work Mode.
a. Travel Mode: Press and hold the foot switch to propel the machine. Release the foot
switch to stop propelling.
b. Work Mode: Press and hold the foot switch to start all enabled Work Cycles (Jacking,
Lining, Surfacing, Tamping, Auto Traction, etc.).
1. If Auto Traction is turned Off, release the foot switch when all enabled Work
Cycles have completed their cycles.
2. If Auto Traction is turned On, continue to hold the Foot switch. When all of the
enabled Work Cycles have been completed their cycles, the machine will propel
forward. Release the foot switch to stop propelling.
3. If Tie Finding is also turned On, the machine will propel forward to the next tie,
stop, and all enabled Work Cycles will automatically start.
4. If the foot switch is released before all enabled Work Cycles have completed
their cycles, the Work Cycles will be aborted and remain at the location where
they were stopped in their cycle. See Right Operator Armrest Controls - Travel /
Cycle Joystick to reset the Work Cycles.
5. The Travel / Cycle Joystick located on the Operator’s Right Armrest is another
method of starting the enabled Work Cycles.
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