Repositioning Motor/Gearbox - Invacare Storm Series Service Manual

PROCEDURE 16
2. Moving the seat rearward.
Advantage:
R
W
Disadvantage: This adjustment, however, allows less
D
W
H
NOTE: This option can also be accomplished by moving
E
the motor forward on the suspension arm. Refer to REPO-
E
SITIONING GEARBOX in this procedure of the manual.
L
C
Adjusting Weight Distribution Procedure
H
A
1. Loosen the four (4) mounting screws that secure the
I
seat support brackets to the base frame.
R
S
DO NOT adjust seat beyond limit stops.
2. Adjust seat forward or back to the position determined
from the previous section ADJUSTMENT OPTIONS.
3. Retighten the four (4) mounting screws securing the
seat support brackets to the base frame.
4. Test wheelchair maneuverability, comfort, and handling.
5. Repeat STEPS 1-4 for further adjustment, if necessary.
Washer
Base
Frame
FIGURE 11 - ADJUSTING WEIGHT DISTRIBUTION
REPOSITIONING THE MOTOR/
GEARBOX (FIGURE 12)
NOTE: The motor/gearbox assembly can be repositioned to
lengthen or shorten the wheelbase by 2-inches in 1-inch in-
crements.
STANDARD POSITION - LENGTHENS the wheelbase and
gives you the most stability and standard maneuverability.
1 - INCH FORWARD - CENTERS the wheelbase and gives
you standard stability and maneuverability.
2 - INCH FORWARD - SHORTENS the wheelbase and in-
creases maneuverability and distributes additional weight on
rear wheels.
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Makes turning easier and provide bet-
ter traction for the large wheels.
clearance for front riggings and the user
will experience more engagement of
the anti-tippers.
WARNING
Mounting Screws
Seat Support
Bracket
MOTOR/GEARBOX ASSEMBLY
Standard -
Approximately 65% of
weight over rear
wheels
2 - Inch Forward -
Approximately 75% of
weight over rear
wheels
FIGURE 12 - REPOSITIONING MOTOR/GEARBOX
WARNING
When using a recliner/high back van seat,
the motor/gearbox or motor MUST use most
REARWARD mounting holes on the suspen-
sion arm assembly.
1. Determine the desired position for the gearbox on the
wheelchair.
2. Remove the drive wheels from the wheelchair. Refer to
REMOVING/INSTALLING DRIVE WHEELS in PRO-
CEDURE 12 of this manual.
3. Remove gearbox from the suspension arm. Refer to
REMOVING/INSTALLING GEARBOX in this procedure
of the manual.
4. Move gearbox to the position determine in STEP 1.
NOTE: If the wheelchair is equipped with 9-inch casters on a
standard or heavy duty base, the 2-inch forward position CAN
NOT be utilized.
5. Reinstall the gearbox onto the existing suspension arm.
Refer to REMOVING/INSTALLING GEARBOX in this pro-
cedure of the manual.
6. Repeat STEPS 3-5 for opposite side of the wheelchair.
7. Reinstall the drive wheel onto the wheelchair. Refer to
REMOVING/INSTALLING DRIVE WHEELS in PRO-
CEDURE 12 of this manual.
86
RWD WHEELCHAIRS
1 - Inch Forward -
Approximately 70% of
weight over rear
wheels