MWD WHEELCHAIRS | PROCEDURE 15 |
|
|
2.Count the number of exposed threads and repeat this procedure for the opposite shock.
3.Proceed to STEP 9 in HEIGHT ADJUSTMENT OF STABILIZERS in this procedure of the manual.
REMOVING/INSTALLING GEARBOX (FIGURE 12)
CAUTION
Perform the following procedure in a des- ignated work area to prevent damage to flooring (carpeting, tile, etc.).
Removing
1.Remove the drive wheels from the wheelchair. Refer to REMOVING/INSTALLING DRIVE WHEELS in PRO- CEDURE 12 of this manual.
2.Remove the drive wheel hub from the existing gearbox drive shaft. Refer to REMOVING/INSTALLING DRIVE WHEEL HUBS in PROCEDURE 12 of this manual.
NOTE: Note the mounting position of gearbox to the sus- pension arm before gearbox disassembly.
3.Remove the four (4) mounting screws that secure the motor/gearbox to the suspension arm.
4.If necessary, removeexisting motor fromgearbox. Re- fertoREMOVING/INSTALLINGTHEMOTORinPRO- CEDURE 12 of this manual.
5.If necessary, install existing motor onto NEW gearbox. Refer to REMOVING/INSTALLING THE MOTOR in PROCEDURE 12 of this manual.
Installing
WARNING
When reinstalling the gearbox ALWAYS use the mounting holes furthest back on the sus- pension arm. DO NOT reposition the motors.
CAUTION
The FRONT mounting screws that secure the gearbox to the suspension arm MUST be 5/
1.Position the NEW gearbox with the mounting holes fur- thest back on the suspension arm.
2.Whenreassemblingthegearboxtothesuspensionarm, use Loctite 242 and torque mounting screws to 160- inch pounds.
NOTE: Replace any parts that show signs of wear or dam- age.
3.Reinstall the drive wheel hub to the new gearbox drive shaft. Refer to REMOVING/INSTALLING DRIVE WHEEL HUBS in PROCEDURE 12 of this manual.
4.Reinstall the drive wheels onto the wheelchair. Refer to REMOVING/INSTALLING DRIVE WHEELS in PRO- CEDURE 12 of this manual.
5/16-18 x 1-1/4-inch
Mounting Screws
|
| |
WARNING | ||
Mounting Screws | ||
|
When reinstalling the gearbox ALWAYS use the mounting holes furthest back on the suspension arm. DO NOT reposi- tion the motors.
Motor
Gearbox
Suspension Arm
FIGURE 12 - REMOVING/INSTALLING GEARBOX
REPLACING SUSPENSION ARM (FIGURE 13)
1.Remove the drive wheels from the wheelchair. Refer to REMOVING/INSTALLING DRIVE WHEELS in PRO- CEDURE 12 of this manual.
2.Perform one (1) of the following:
A.(GROUP 24) - Loosen the mounting screws that secures the wiring harness and the battery sub- frame to the base frame assembly.
B.(GROUP 22) - Loosen the two (2) mounting screws that secures the rear of the battery tray to the
M
W D
W H E E L C H A I R S
77