Invacare Arrow RWD Service Manual page 152

SECTION 14—WHEELS/MOTORS
Standard Gearless/Brushless Motor Before 1/26/04
NOTE: For this procedure, refer to FIGURE 14.14 on page 153.
Removing
1. Remove the battery boxes. Refer to Removing/Installing Battery Boxes on page 121.
2. Unthread the mounting screws that secure the wiring harness connector to the motor.
3. Unplug the wiring harness connector from the motor.
4. If necessary, remove the 22NF battery box tray. Refer to Installing/Removing Batteries
into/from Battery Boxes on page 107.
5. Remove the drive wheel from the wheelchair. Refer to Removing/Installing Drive
Wheels on page 138.
6. Note the mounting position of the motor on the suspension arm before removing the
motor.
7. Loosen adjustment screw that secures the motor lock lever in place on the brake
release shaft.
NOTE: Alignment pin is located inside of bushing guide on the suspension arm.
8. Remove the mounting screw and washer that secure the alignment pin in place.
9. Slide the alignment pin back out of the end of the motor lock lever.
10. Remove the four mounting screws and washers that secure the motor to the
suspension arm.
11. Remove motor with motor lock lever from suspension arm.
12. If replacing motor, remove the motor lock lever from the brake release shaft of the
existing motor.
Installing
NOTE: Do not tighten adjustment screw of motor lock lever until motor is secured in place on the
suspension arm.
1. If necessary, install motor lock lever onto new brake release shaft of motor.
2. Position the new/existing motor with motor lock lever onto the suspension arm in the
mounting position noted from STEP 5 of Standard Gearless/Brushless Motor Before
1/26/04 on page 152.
3. Secure motor to the suspension arm with existing four mounting screws. Torque to 13
ft-lbs (156 in-lbs)(17.62 Nm).
4. Slide the motor lock lever along brake release shaft until the end is flush with the
bushing guide.
5. Slide alignment pin, located inside of bushing guide, into the end of the motor lock
lever and secure in place with existing mounting screw and washer. Securely tighten.
3G Storm Series® Wheelchairs
152
Part No. 1104849