Ferno Viper Stretcher Instructions For Use Manual page 25

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5.7 Unloading the Stretcher
Unloading the stretcher from an ambulance with a patient
on it requires a minimum of two trained operators who are
communicating, working together, and maintaining control of the
stretcher at all times. Use additional trained helpers as needed.
See "Using Additional Help" on page 7.
1.
Loading-end Operator: Raise the ambulance folding
bumper, if present.
2.
Control-end Operator: Push the red release handle (P) on the
VIPER Loading System.
3.
Both Operators/Trained Helpers: Hold the stretcher with
both hands. Roll the stretcher out of the ambulance until
it stops and will move no more and the mechanical spring
slightly holds the stretcher in the unloading position (Figure
24). The spring does not provide sufficient protection against
reverse movement. Always hold the stretcher firmly in the
unloading position.
4.
Control-end Operator: Press and hold
will extend and automatically stop once they have touched
the ground and lifted the stretcher slightly.
5.
Control-end Operator: Press the release button on the
stretcher to disengage it from the VIPER Loading System
(Figure 25).
6.
Both Operators/Trained Helpers: Roll the stretcher
completely out of the VIPER Loading System. Keep the
stretcher parallel with the extended arm of VIPER Loading
System during rolling.
7.
Control-End Operator: Adjust the stretcher height before
rolling. See "Rolling the Stretcher" on page 23.
5.8 One Operator, Empty Stretcher
If local protocols permit, an empty stretcher (no patient) may
be operated by one trained operator. Always use two operators
whenever a patient is on the stretcher.
Raising/Lowering: Press
Loading and Unloading: Follow the procedures as for two
operators. See "Loading the Stretcher" on page 24 or "Unloading
the Stretcher" on page 25.
Do not press the release button before the legs touch the
ground and stop automatically. Failure to do so can cause
injury or serious damage to the product.
© Ferno / May 2023, Rev 1
button. The legs
or
to adjust the stretcher height.
WARNING
VIPER
If the ambulance is parked on an uneven surface, the
operators (and any helpers) may need to extend or retract the
legs to move the stretcher from the normal loading height to
allow the stretcher to roll into the ambulance.
P
NOTICE
23
24
25
25

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