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FWD WHEELCHAIRS PROCEDURE 17
F
W
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SHOCK SPRING REPLACEMENT
(FIGURE 7)
1. Remove the shock. Refer to REMOVING/INSTALL-
ING SHOCKS in this procedure of this manual.
2. Hold the spring retainer and turn the shock eyelet as-
sembly counterclockwise to unthread it from the shock.
3. Remove the spring retainer and spring.
4. Place the NEW spring onto the shock.
5. Reinstall the shock eyelet assembly and the spring
retainer onto the NEW spring.
6. While holding the spring retainer, torque the shock
eyelet assembly to 245-inch pounds.
FIGURE 7 - SHOCK SPRING REPLACEMENT
Shock Eyelet
Assembly
Spring
Spring
Base
Shock
7. Secure top of shock and spring retainer to base frame.
Apply Loctite 242 and torque to 160-inch pounds.
8. Reinstall the shock. Refer to
REMOVING/INSTALL-
ING SHOCKS in this procedure of this manual.
TIE ROD REPLACEMENT (FIGURE 8)
Removing
1. Remove the front shroud. Refer to
REMOVING/INSTALL-
ING FRONT SHROUD in this procedure of the manual.
2. Remove the rear shroud. Refer to
REMOVING/INSTALL-
ING REAR SHROUD in this procedure of the manual.
3. Remove the counterweight. Refer to
REMOVING/IN-
STALLING COUNTERWEIGHT in this procedure of
the manual.
4. Remove the battery boxes. Refer to
INSTALLING/RE-
MOVING GROUP 24 BATTERY BOXES in PRO-
CEDURE 9 of this manual.
5. Remove the shocks. Refer to
REMOVING/INSTALL-
ING SHOCKS in this procedure of this manual.
6. Remove the MKIV controller. Refer to
REMOVING/
INSTALLING MKIV CONTROLLER in PROCEDURE
13 of this manual.
7. Remove the locknut, small washer, larger washer and
mounting screw that secures the tie rod to the sus-
pension arm.
8. Remove the locknut, small washer, large washer and
mounting screw that secures the tie rod to the base frame.
9. Remove the tie rod from the wheelchair.
NOTE: In order to ensure that the replacement tie rod(s)
are adjusted properly, it is necessary to remove ALL
of the tie rods from the wheelchair and install both the
NEW and the EXISTING tie rods as described in the
section below.
10. Repeat STEPS 7-9 to remove the three (3) remain-
ing tie rods.
Adjusting/Installing
1. Before installing, adjust the collar on one (1) tie rod
until the length of the tie rod is approximately five (5)
inches (DETAIL A).
NOTE: The length of the tie-rod is measured from the
center of one eyelet to the center of the opposite eyelet.
NOTE: Turn the collar CLOCKWISE to shorten the tie
rod and COUNTER-CLOCKWISE to lengthen the tie rod.
2. Lock the collar on the tie rod into place by turning
the nut on the tie rod until it is FLUSH against the
collar (DETAIL A).
Locknut
Mounting Screw
Washer
Mounting Screw
FIGURE 6 - REMOVING/INSTALLING SHOCKS
Base Frame
Suspension Arm
Shock
Spring
Retainer