The document discusses a new locking mechanism being rolled out for hi-rail equipment during road travel to replace the need to shackle the hi-rail. It notes that the new system requires continuously pressing the dead man switch to release the locks and raising the hi-rail before lowering it to avoid damage. It emphasizes that not all vehicles have been fitted with the new system so operators must identify the locking system type on each truck and use the appropriate process. It also states that operators have been neglecting to unshackle hi-rail equipment, resulting in costly damage, and warns that most hi-rail vehicles still require shackling so failure to unshackle before deploying can cause significant damage.
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Issue 028 Hi Rail shackles Alert
1. Issue 28 July 17 Hi Rail Damage/not releasing Shackle
equipment
Infraworks have now started rolling out
the new locking mechanism for Hi-Rail
during travel on roads. This system
replaces the need to shackle the Hi-Rail for
travel.
With the new locking system, when the
dead man switch is pressed continually,
locks will release, during this operation you
must raise the Hi-Rail always before
lowering the Hi-Rail. Failure to adopt this
method may damage the locking system
Remember:
As not all vehicles have been fitted with
this new system, it is important to identify
what locking system is on the truck during
your pre-start and use the appropriate
process
We are finding that our operators are
continually neglecting to un-shackle the Hi
Rail equipment resulting in costly damage,
impacting the business and the client
requirements
Most of our Hi Rail vehicles still have the
shackling system in place for Hi-Rail.
Failure to un-shackle the hi-rail before
deploying can result in significant damage,
please see recent incident causing shackle
damage. This is not an acceptable practice
