47
FIGURE 8 - ADJUSTING THE WHEELBASE
LENGTH-REVERSED POSITION
PROCEDURE 5LARGE WHEELS
Forward
Rearward
Jam
Nuts
Axle Mounting
Bracket
Axle Bushing
L
A
R
G
E
W
H
E
E
L
S
NEVER Use the REAR FOUR
(4) Mounting Positions when
in the Reversed Position
4. Move the axle bushing to the position determined
in STEP 3.
5. Securely tighten the jam nuts that secure the axle
bushing to the axle mounting plate.
6. Reinstall the large wheel onto the wheelchair.
7. Repeat STEPS 1-6 for the opposite side of the
wheelchair.
NOTE: Make sure the axle bushings are mounted
in the same position. This will help avoid a "3-
wheeling" situation.
8. Adjust the wheel locks. Refer to ADJUSTING THE
WHEEL LOCK in PROCEDURE 7 of this manual.
9. Adjust the anti-tippers for reverse or standard
wheelchair position. Refer to ADJUSTING THE
ANTI-TIPPERS in PROCEDURE 7 of this manual.
1. Remove the large wheel from the wheelchair.
2. Loosen the two (2) jam nuts that secure the axle
bushing to the axle mounting plate.
3. Refer to FIGURE 8 for reversed position, FIG-
URE 9 for standard position to determine al-
lowable axle bushing positions.
ADJUSTING THE WHEELBASE LENGTH
(FIGURE 8 AND 9)
WARNING
The seat depth and back angle of the wheel-
chair, as well as the large wheel position directly
relate to the stability of the wheelchair. Any
change to one (1) or any combination of the
three (3) may cause the wheelchair to decrease
in stability. Use EXTREME caution when using
a new seating position for the first time.
The following procedure must be performed by
an authorized Invacare dealer or qualified tech-
nician.
Wheel locks MUST be adjusted BEFORE using
the wheelchair.
After adjustments and before use make sure all
attaching hardware is securely tightened.
Anti-tippers MUST be repositioned BEFORE us-
ing 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 large
wheels.
Back Angle
Rear Wheels
Seat Depth
Wheel Locks
PROCEDURE: 4537
Back Angle ● ✓✓✓
Rear Wheels ✓ ● ✓✓
Seat Depth ✓✓● ✓
Wheel Locks ✓✓✓●
NOTE: When adjusting the shaded area in the left
hand column, refer to the
✓✓
✓✓
✓ procedure to ensure
the proper stability, safety and handling of the
wheelchair.
Use ONLY the FRONT THREE (3) Mounting
Positions when in the Reversed Position
NON-MINI TILT MINI TILT
REVERSED POSITION
NEVER Use the REAR SIX
(6) Mounting Positions when
in the Reversed Position
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