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PROCEDURE 15 MWD WHEELCHAIRS
8. Secure the bottom of the NEW shock, suspension arm,
and stabilizer bracket together with the mounting screw,
two (2) flat washers, two (2) spring washers, two (2) inner
link spacers, and locknut. Torque to 160-inch pounds.
WARNING
The Battery Box Retainer/Retainer Clip
MUST be fastened securely in place be-
fore using the wheelchair. Use Loctite 242
and torque to 160-inch pounds.
9. Position retainer clip between shock and battery box
sub-frame making sure the retainer clip mounting hole
is towards the bottom and the closed end of clip is
against battery box retainer.
10. Secure top of shock and retainer clip between battery
box sub frame and base frame. Apply Loctite 242 and
torque to 160-inch pounds.
11. Apply Loctite 242 and torque the mounting screw that
secures the battery box retainer between the battery box
sub frame and base frame. Torque to 160-inch pounds.
12. Reassemble large wheel to hub assembly and Torque
to 160-inch pounds.
13. Repeat this procedure for the opposite shock.
14. Reinstall the front battery box. Refer to
INSTALLING/
REMOVING GROUP 24 BATTERY BOXES in PRO-
CEDURE 9 of this manual.
Group 22 Battery Base Frames (FIGURE 6)
1. Remove the battery box. Refer to
INSTALLING/RE-
MOVING GROUP 22 BATTERY BOX in PROCE-
DURE 9 of this manual.
2. Remove the four (4) nuts that secure the large wheel
assembly to the to the hub assembly and remove the
large wheel assembly.
3. Loosen the mounting screw that secures the spacer
between battery mount bracket and the base frame.
4. Remove mounting screw that secures top of the shock
between battery mount bracket and base frame.
5. Remove the mounting screw, two (2) flat washers,
two (2) spring washers, two (2) inner link spacers,
and locknut that secures the bottom of the shock,
suspension arm, and stabilizer bracket together.
6. Remove the existing shock.
7. Install the NEW shock.
8. Secure the bottom of the NEW shock, suspension arm,
and stabilizer bracket together with the mounting screw,
two (2) flat washers, two (2) spring washers, two (2) inner
link spacers, and locknut. Torque to 160-inch pounds.
9. Secure the top of shock between battery mount
bracket and base frame. Apply Loctite 242 and torque
to 160-inch pounds.
Mounting Screw
Loosen, DO NOT
REMOVE (STEPS
3,11)
Battery Box
Retainer Bar
Battery Box
Sub- Frame
Base Frame
FIGURE 5 - SHOCK REPLACEMENT - GROUP 24
BATTERY BASE FRAMES
Stabilizer
Assembly*
Shock
Battery Box Sub-Frame
Inner Link
Spacer
Spring
Washer
Mounting
Screw
Retainer Clip
Top of Shock
Mounting
Screw
Base
Frame
Flat Washer
Locknut
NOTE: Top of stabilizer*
exploded away for clarity only.
Suspension
Arm
Stabilizer
Bracket
Shock
M
W
D
W
H
E
E
L
C
H
A
I
R
S
NOTE: The spacer and retainer are not shown for clarity.
*NOTE: The spring shown on the stabilizer is for wheel-
chair models built before 7/1/1999