Removing/Installing The Motor (Gearless Brushless Motor) - Invacare Arrow RWD Service Manual

WHEELS/MOTORS
REMOVING/INSTALLING THE
MOTOR (GEARLESS/BRUSHLESS
MOTOR) (FIGURE 7)
Removing
1. Remove the battery box(es). Refer to INSTALLING/
REMOVING GROUP 24 BATTERY BOXES or IN-
STALLING/REMOVING GROUP 22 BATTERY
BOXES in PROCEDURE 9 of this manual.
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 group 22 battery box tray.
Refer to REMOVING/INSTALLING 22NF BATTERY
BOX TRAY in PROCEDURE 16 of this manual.
5. Remove the drive wheel from the wheelchair. Re-
fer to REMOVING/INSTALLING DRIVE WHEELS
in this procedure of the manual.
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 se-
cure the alignment pin in place.
9. Slide the alignment pin back out of the end of the
motor lock lever.
10. Remove the four (4) mounting screws and wash-
ers that secure the motor to the suspension arm.
11. Remove motor with motor lock lever from suspen-
sion 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 le-
ver 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 4 of REMOVING THE
GEARLESS/BRUSHLESS MOTOR in this proce-
dure of the manual.
3. Secure motor to the suspension arm with existing
four (4) mounting screws. Torque to 13 foot/
pounds.
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.
6. Secure motor lock lever in place on the brake re-
lease shaft with existing mounting screw.
7. Install the drive wheel from the wheelchair. Refer
to REMOVING/INSTALLING DRIVE WHEELS in
this procedure of the manual.
8. If necessary, install the 22nf battery box tray. Re-
fer to REMOVING/INSTALLING 22NF BATTERY
BOX TRAY in PROCEDURE 16 of this manual.
9. Plug the wiring harness connector into the motor.
10. Secure the wiring harness connector to the motor
with the existing two (2) mounting screws.
11. Remove the battery box(es). Refer to INSTALL-
ING/REMOVING GROUP 24 BATTERY BOXES
or INSTALLING/REMOVING 22NF BATTERY
BOXES in PROCEDURE 9 of this manual.
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PROCEDURE 12
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