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3. Move the axle bushing forward or rearward to the de-
sired position.
4. Securely tighten the jam nuts that secure the axle
bushing to the axle mounting plate.
5. Reinstall the rear wheel onto the wheelchair. Refer to
REMOVING/INSTALLING REAR WHEELS in this
procedure of the manual.
6. Repeat STEPS 1-5 for the opposite side of the wheel-
chair.
NOTE: Make sure the axle bushings are mounted in the
same position. This will help avoid a "3-wheeling" situa-
tion.
7. Adjust the wheel locks. Refer to REPLACING/ AD-
JUSTING THE WHEEL LOCK in this procedure of
the manual.
8. If wheel chair is equipped with anti-tippers, adjust to
maintain proper clearance. Refer to INSTALLING/
ADJUSTING THE ANTI-TIPPERS in this procedure
of the manual.
FIGURE 5 - ADJUSTING WHEELBASE LENGTH
Jam
Nuts
REARWARD
FORWARD
Axle Mounting
Bracket
R
E
A
R
W
H
E
E
L
S
PROCEDURE 6REAR WHEELS
Axle Bushing
ADJUSTING WHEELBASE WIDTH
(FIGURE 6)
WARNING
The following procedure should be per-
formed only by an authorized Invacare
Dealer or Qualified Technician.
NOTE: Increasing the wheelbase width may prevent
the wheelchair from passing through smaller door jams
and other tight places. Consider access to daily ac-
tivities before increasing wheelbase width.
1. Remove the rear wheel from the wheelchair. Refer to
REMOVING/INSTALLING REAR WHEELS in this
procedure of the manual.
2. Loosen the two (2) jam nuts that secure the axle
bushing to the axle mounting plate.
Removing the Play From the Rear Wheels
NOTE: The adjusting nut on the quick-release axles origi-
nally performed this function.
1. With the rear wheel and quad-release axle still mounted
onto the wheelchair, make the following adjustment:
Tighten the length adjusting screw until there is
no in and out movement of the quad-release axle
and rear wheel.
REPAIRING/REPLACING
PNEUMATIC REAR WHEEL TIRE/
TUBE
WARNING
Replacement of a pneumatic tire or tube
MUST be performed by an authorized In-
vacare dealer or qualified technician.
ADJUSTING WHEELBASE LENGTH
(FIGURE 5)
WARNING
The following procedure should be per-
formed only by an authorized Invacare
Dealer or Qualified Technician.
Mounting rear wheels towards the front
of the wheelchair WILL reduce the stabil-
ity of the wheelchair. Try various rear
wheel positions to find the safest rear
wheel position for the users needs.
Wheel locks MUST be adjusted BEFORE us-
ing the wheelchair.
Anti-tippers, if equipped, MUST be reposi-
tioned BEFORE using the wheelchair.
Lengthening the Wheelbase will increase stability
and maintain standard maneuverability of the wheel-
chair.
Shortening the Wheelbase will increase maneuver-
ability and distribute additional weight onto the rear
wheels.
1. Remove the rear wheel from the wheelchair. Re-
fer to REMOVING/INSTALLING REAR WHEELS
in this procedure of the manual.
2. Loosen the two (2) jam nuts that secure the axle
bushing to the axle mounting plate.