MARK IV HD J2 TAMPER SAFETY / GENERAL PAGE 1 - 11
BULLETIN 5082505 INFORMATION REVISED 10 - 2020
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1.3 Energy Control Procedure
Procedure To Remove Machine From Energy Sources:
1. The person who will be doing the maintenance or adjustments must familiarize themselves
with the type of energy sources for this machine and understand fully the hazards of the
energy.
2. Stop machine and set parking brake, located on right arm seat console.
3. Lock Workheads, Clamp Frame, Shadowboard Buggy, Receiver Buggy, and Projector
Buggy with folding reference system in the secured travel position unless one or more of
these work components is the area to be worked on and the anticipated work will require
the work component to be resting on the rail or ballast. Any work component not locked in
travel position should be lowered until its full weight is on the rail or ballast. If Projector
Buggy is deployed, every stored folding reference buggy must be securely locked in the
buggy lift frame.
4. Return throttle to idle position. Throttle is located on right arm seat cushion.
5. Stop engine. Ignition switch is located on Engine Control Panel.
6. Turn battery master switch to "OFF" position. Switch is located inside the forward toolbox
on left side of machine.
7. Switch circuit breakers "OFF" in PDB breaker Box. Box is located near battery switch.
8. Drain air system by pulling air reservoir drain valve control ring until all air pressure has
escaped. Air reservoir drain is located on left side near the front wheel.
9. Verify that all energy sources are de-energized by operating the controls to make sure the
equipment will not operate (attempt to start engine).
Procedure To Restore Machine To Service:
1. Check the machine and surrounding area to make sure all tools, etc. have been removed
from machine.
2. Verify that everyone is clear of the machine while it is being restored to power.
3. Verify that all controls are in neutral or off position.
4. Turn battery master switch to "ON" position.
5. Switch circuit breakers to "ON" in PDB Breaker Box.
6. Start engine.
7. Verify that all energy sources are energized by observing information on computer screen.
8. Test all functions of the machine which were affected by the repairs.
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