SECTION 6—SIDE FRAME
43
Installing the Walking Beam Assembly
NOTE: If necessary to perform STEP 1, lift the rear frame to activate the locking-gas cylinder in order to overcome the spring force and
compress the locking-gas cylinder.
1.
Position the locking-gas cylinder against the base frame in line with the circular opening in the battery box.
2.
Apply Super Lube Multi Purpose Grease w/PTFE (Teflon
®
) or other silicon based grease to the walking beam mounting
pin.
NOTE: A coved washer is located between the walking beam assembly and the base frame.
3.
Install the walking beam assembly and coved spacer onto the walking beam mounting pin.
4.
Using the 1/2-20 locknut and .505 X 1.124 X .100 inch washer or washer plate, secure the walking beam assembly to the
base frame. Torque to 13 ft-lbs ± 20%, then back off 1/4 turn.
5.
Lift the rear suspension and depress the pivot ball pin to de-activate the locking mechanism of the locking-gas cylinder.
NOTE: Continue holding the rear suspention up to de-activate the locking-gas cylinder until the walking beam has been rotated into
position.
6.
Rotate the walking beam assembly until the 5/16 X 2.50 socket head shoulder screw aligns with the circular opening in
the battery box and the locking-gas cylinder.
7.
Push the 5/16 X 2.50 socket head shoulder screw through the battery box, the locking-gas cylinder and the walking beam
assembly.
8.
Using the 1/4-20 locknut, secure the 5/16 X 2.50 socket head shoulder screw and the locking-gas cylinder to the walking
beam. Torque to 75 in-lbs ± 20%.
9.
Install the upper and lower front bumpers. Refer to Removing/Installing the Front Bumpers on page 47.
10. Connect the 4-Pole motor connector to the controller.
11. Install the lower pivot link. Refer to Removing/Installing the Head Tube on page 44.
12. Install the drive wheel. Refer to Removing/Installing the SSD Motor Drive Wheel/Wheel Hub on page 34.
13. Remove the two 5-inch blocks under battery frame, gently lowering the wheelchair frame to the ground.
14. Install the batteries. Refer to Replacing Batteries on page 65.
15. Using tie-wraps, secure the motor cable to the wheelchair frame.
FIGURE 6.1
Removing the Walking Beam Assembly
Upper Bumper
Base
Frame
Lower Pivot Link
Walking Beam
Assembly
5/16 X 2.50
Socket Head
Shoulder Screw
Circular Opening in the
Battery Box
1/4-20 Locknut
Locking-Gas Cylinder
1/2-20 Locknut
.505 X 1.124 X .100 inch Washer
(Washer Plate Not Shown)
Coved Spacer
Rear Suspension
