Invacare Torque SP RWD, Ranger X RWD, Arrow RWD REMOVING/INSTALLING Gearbox Figure, Wheelchairs

RWD WHEELCHAIRS SECTION 15

REMOVING/INSTALLING GEARBOX (FIGURE 9)

REMOVING

1.Remove the drive wheels from the wheelchair. Refer to REMOVING/INSTALLING DRIVE WHEELS in SECTION 12 of this manual.

RWD

2.Remove the drive wheel hub from the existing gearbox drive shaft. Refer to

REMOVING/INSTALLING DRIVE WHEEL HUBS in SECTION 12 of this manual.

NOTE: Note mounting position of gearbox to suspension arm before disassembly.

NOTE: To reposition the gearbox on the suspension arm, refer to ADJUSTING WEIGHT DISTRIBUTION in this section of the manual.

3.Remove the four (4) hex screws and two (2) washers that secure the existing motor/gearbox to the suspension arm.

4.Remove existing motor from gearbox. Refer to REMOVING/INSTALLING THE MOTOR in SECTION 12 of this manual.

5.Install existing motor onto NEW gearbox. Refer to REMOVING/INSTALLING THE MOTOR in SECTION 12 of this manual.

5/16-18 x 2-1/2-inch

Hex Screws

5/16-18 x 1-1/4-inch Hex Screws

Suspension

Arm

Gearbox

Motor

WHEELCHAIRS

INSTALLING

CAUTION

The REAR hex screws that secure the gearbox to the suspension arm MUST be 5/16-18 x 2-1/2-inches long and the FRONT hex screws that secure the gearbox to the suspension arm MUST be 5/16-18 x 1-1/4-inches long. Otherwise damage to the gearbox casting can result.

Gearbox

Motor

FIGURE 9 - REMOVING/ INSTALLING GEARBOX

1.Position NEW gearbox with noted mounting holes.

2.When reassembling gearbox to suspension arm, use Loctite 242 and torque hex screws to 160 in-lbs.

NOTE: Replace any parts that show signs of wear or damage.

3.Reinstall the drive wheel hub to the new gearbox driveshaft. Refer to REMOVING/ INSTALLING DRIVE WHEEL HUBS in SECTION 12 of this manual.

4.Reinstall the drive wheels onto the wheelchair. Refer to REMOVING/INSTALLING DRIVE WHEELS in SECTION 12 of this manual.

Part No. 1104849 129 3G Storm Series® Wheelchairs