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XRM945
Boom Emergency Lower Down Valve
Both of the lift and extend cylinders are equipped with a
needle valve which allows the cylinder to retract without
the direct assist of the machine hydraulic power. This
feature is intended to be used onlin in the even of total
loss of engine or hydraulic pump failure with an elevated
boom.
In any event, the vehicle should be secured until the
situation has been properly evaluated. Secure the vehicle
and area by following the procedures below:
1. Clear the area around the vehicle of all personnel.
2. Place the shift lever in 'Neutral' and engage the
parking brake switch to the on position.
3. Section off a large area under the boom with tape to
restrict any personnel from entering this potentially
dangerous area.
4. If the load is in a position where it can be removed
safely, completely remove the load from the carriage
and/or attachment; otherwise leave the load in place.
First retract the extend cylinder by slowly loosing the need
valve located in the valve block on the base end of the
cylinder. After the extend cylinder is fully retracted loosen
the needle valve in the valve block at the base of both lift
cylinders allowing it to retract in a slow and controlled
manner.
For information call (800) 497-1704
Boom Emergency Lower Down
Do No Operate – Accident Prevention Tags
Before beginning any maintenance or service, place a Do
Not Operate Tag on both the starter key switch and the
steering wheel, stating that the vehicle should not be
operated. Do Not Operate Tags, which can be cut out and
used, are included at the end of this manual. Retain these
Tags for reuse at a later date.
New or Additional Operators
At the time of original purchase, the purchaser of this
vehicle was instructed by the seller on its proper use. If
this vehicle is to be used by an employee or is loaned or
rented to someone other than the purchaser, make certain
that the new operator is trained, in accordance with OSHA
regulations, and reads and understands this Operation &
Safety Manual before operating the vehicle.
In addition, make sure that the new operator has
completed a walk-around inspection of the vehicle,
is familiar with all decals on the vehicle, and has
demonstrated the correct use of all controls.
Page 71
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