Invacare ARROW MWD - Manual (Page 83)

83
SHOCK SPRING REPLACEMENT
(FIGURE 6)
1. Remove the group 22 battery box or group 24 battery
boxes. Refer to INSTALLING/REMOVING GROUP
22 BATTERY BOX or INSTALLING/REMOVING
GROUP 24 BATTERY BOXES in PROCEDURE 9
of this manual.
2. GROUP 24 BATTERIES ONLY - Loosen the mount-
ing screw that secures the battery box retainer bar to the
base frame.
3. Remove the mounting screw that secures the top of
the shock to the suspension arm.
4. Swing the top of the shock rearward.
5. Hold the spring retainer and turn the shock eyelet as-
sembly counterclockwise to unthread it from the shock.
6. Remove the spring retainer and spring.
7. Place the NEW spring onto the shock.
8. Reinstall the shock eyelet assembly and the spring re-
tainer onto the NEW spring.
9. While holding the spring retainer, torque the shock eyelet
assembly to 245-inch pounds.
10. Position the retainer clip between the shock and the bat-
tery box sub-frame making sure the retainer clip mount-
ing hole is towards the bottom and the closed end of the
clip is against the battery box retainer.
11. Secure top of shock and retainer clip to base frame.
Apply Loctite 242 and torque to 160-inch pounds.
12. GROUP 24 BATTERIES ONLY - Apply Loctite 242
and torque the hex screw that secures the battery box
retainer bar to the base frame to 160-inch pounds.
13. Reinstall the group 22 battery box or group 24 battery
boxes. Refer to INSTALLING/REMOVING GROUP
22 BATTERY BOX or INSTALLING/REMOVING
GROUP 24 BATTERY BOXES in PROCEDURE 9
of this manual.
Battery Box
Retainer
Bar
Hex
Screws
Spacer
FIGURE 6 - SHOCK SPRING REPLACEMENT
Shock Eyelet
Assembly
Retainer Clip
Shock Eyelet
Assembly
Spring
Retainer
Shock
Spring
Spring
Base
Shock
RWD WHEELCHAIRS PROCEDURE 16
R
W
D
W
H
E
E
L
C
H
A
I
R
S
GROUP 22 BATTERIES
NOTE: Shock exploded away for clarity. There is no
need to remove shock from suspension arm.
Suspension
Arm
Mounting
Screw
Shock
GROUP 24 BATTERIES