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5.3 Powered Extending/Retracting
Extending or retracting the legs with a patient on the stretcher
requires a minimum of two trained operators who are communicating,
working together, and maintaining control of the stretcher at all times.
Be aware that the stretcher automatically stops at the minimum
height, user-set loading height, and at the maximum height.
1.
Both Operators/Trained Helpers: Keep both hands on the
stretcher main frame. Maintain control of the stretcher so it
does not shift when extending or retracting the legs. During
the position change, move with the stretcher and maintain your
hold on the main frame.
2.
Control-end (Foot-end) Operator: Press any height-control
button to wake the stretcher from Sleep Mode, then press
or
to extend or retract the legs until the stretcher reaches
the desired height (Figure 16).
PROVIDING LIFT ASSISTANCE
The stretcher load capacity is 320 kg / 705 lb. Loads exceeding this
limit may require lift-assistance from operators/trained helpers. If
the stretcher will not extend the legs, follow the procedure below.
Always maintain control of the stretcher with both hands on the
main frame.
Use additional trained helpers as needed to safely control the
weight of the patient and stretcher. See "Using Additional Help"
on page 7.
1.
Both Operators/Trained Helpers: Operators stand at
opposite ends of the stretcher and use an underhand grip
(palms up) to hold the stretcher frame at foot-end and head-
end. Direct trained helpers where to stand and how to hold
the stretcher.
2.
Control-end Operator: Communicate with the Loading-end
Operator and trained helpers, then press
3.
Both Operators/Trained Helpers: Allow the stretcher to lift
the load. Provide only as much lift assistance as is needed to
adjust the stretcher height. Together, extend the stretcher to
the desired height and hold the stretcher at that position.
4.
Both Operators/Trained Helpers: Slowly lower your hands
to verify the stretcher has stabilized at the new position.
© Ferno / May 2023, Rev 1
VIPER
Do not extend or retract the legs when tilted more than
30° relative to the horizontal plane. There is a risk of
damage to the product.
Do not exceed the maximum prescribed operating duty
cycle (See Technical Specification on page 9). There is a
risk of system shutdown due to overheating.
Uncontrolled movement can cause injury or damage.
Support and control the stretcher at all times.
A slight lift may occur shortly after pressing
this way, the system optimizes the legs retracting according
to the load. This is not a malfunction.
.
WARNING
NOTICE
button. In
16
21
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