Invacare One Arm Drive by lever User manual

Invacare® One Arm Drive by lever
User guide
Yes, you can.

Photo 1 – Diagram of One Arm Drive by lever
Photo 1 – Diagram of One Arm Drive by lever
Operating lever
Stroke-adjusting sleeve
Rocker beam
Drive
link
Gear lever

1
1. Description and use
The one arm drive by lever is a device that allows
the user to make his/her wheelchair go forward
and backward, and to apply the brake using one
hand.
The drive may be installed on both the right or
left side of the wheelchair.
The one arm drive by lever (photo 2) is equipped
with a lever brake located opposite the drive as
well as with an adjustable brake (A) on the same
side as the drive, on the rocker beam (B).
The wheelchair is powered through the forward/
backward movement of the operating lever (C).
This operating lever movement allows the
wheelchair to drive forward or backward
depending on the gear lever position.
Its central position is the neutral gear.
Steering is provided by simply turning the operating
lever handle (C).
Photo 2

2
To disengage the wheels, place the gear lever (D) in
central position (neutral). (photo 3).
Pulling the operating lever (C) backward provides
braking.
To unlock the brakes, place the gear lever (D) in
neutral and push the operating lever (C) forward.
2. Adjusting the muscular effort required for
driving
Place the stroke-adjusting sleeve (E) of the drive
link (F) higher or lower to modify the gear reduc-
tion as well as the effort to be applied on the roc-
ker beam (B) that provides the wheelchair drive.
Release the indexable lever (G), slide the clip (H)
on the support tube, and fasten the handle in the
position that is appropriate for the user’s strength.
Conduct a few tests to obtain the ideal position.
(photo 4)
Photo 4
Photo 3

3
3. Operating lever
Retractable :
To allow the wheelchair to get close to a table, it
is possible to dismantle the operating lever (C).
Remove it after releasing the indexable lever (I).
(photo 5a)
Adjustable :
Three positions provide the height-adjustment of
the lever. Unfasten screw (O), slide the lever to
the desired position and tightly fasten screw (O).
(photo 5b)
4. Disengaging the steering mechanism
Going up a steep slope or over an obstacle requi-
res the assistance of an attendant. Therefore it is
sometimes necessary, for the attendant to move
the wheelchair, to disengage the operating rocker
beam from the fork in order to release the front
directional wheel.
Press the end of the disengaging spring (J) to
release the shaft (K). (photo 6)
Photo 5a
Photo 6
O
Photo 5b

4
5. Adjusting the brakes
Adjustment on lever side :
Place the lever in forward position; unfasten the
locking nuts (L).
Turn the brake shoe (M) on itself to adjust the
brake. (photo 7)
Adjustment opposite the lever :
The brake located opposite the lever is a parking
brake.
Push the brake lever forward.
Adjust the brake by unfastening the locking nuts
(N) and slide the casing along the tube. (photo 8)
N
Photo 8
Photo 7

5
6. Routine maintenance
Weekly :
- Check brake ef ciency.
- Check tire in ation in accordance with the speci-
 cations indicated on the side of the tires.
Quarterly :
- Lubricate the hinges of the system.
- Make sure that the nuts and screws are tightly
fastened.
- Clean chrome surfaces with a dry soft cloth.
Annually :
- Take the wheelchair to your dealer for a general
check.

OADL-G-02 UK
09/2003
Yes, you can.
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