Replacing The Ssd Motor Or Gearbox Only - Invacare Arrow RWD Service Manual

Replacing the SSD Motor or Gearbox Only

NOTE: For this procedure, refer to
NOTE: Take note of the position and orientation of the motor in relation to the gearbox before
separating the motor from the gearbox.
1. Remove the square neck bolt, spacer, washer and locknut securing the band clamp to
the motor/gearbox assembly.
2. Pulling the band clamp open, remove the existing band clamp from the
motor/gearbox assembly. Discard existing band clamp.
3. Firmly gripping the motor and the gearbox, pull to separate the motor from the
gearbox.
4. Remove the existing coupling from between the motor and the gearbox.
5. Discard the existing coupling and either the existing motor or gearbox depending on
which is being replaced.
6. Insert the new coupling onto the motor drive shaft.
7. Align the gearbox drive shaft with the new coupling.
8. Twist the motor to the proper alignment to the gearbox. Refer to Aligning the SSD
Motor to the Gearbox on page 158.
9. Push the motor into the gearbox.
NOTE: When installing the new band clamp, it may be necessary to pull the band clamp open to slide
the new band clamp around the motor/gearbox.
10. Use the new band clamp, and the existing square neck bolt, spacer, washer and
locknut to secure the motor to the gearbox. Torque locknut to 75 in-lbs ± 10% (6.25
ft-lbs)(8.47 Nm).
11. If replacing the motor, install the brake lever. Refer to Installing the SSD Brake Lever
on page 158.
TDX SP, TDX SI and 3G Storm Series Wheelchairs
FIGURE 14.17 Replacing the SSD Motor or Gearbox Only
Part No. 1104849
FIGURE 14.16 on page 156.
Gearbox Drive Shaft
Spacer
Square
Neck Bolt
Coupling
Motor Drive Shaft
Motor
157
SECTION 14—WHEELS/MOTORS
Gearbox
Locknut
Washer
Band Clamp
3G Storm Series® Wheelchairs