RWD WHEELCHAIRS | PROCEDURE 9 |
REMOVING/INSTALLING MKIV | REPLACING WIRING HARNESS |
CONTROLLER (FIGURE 10) | (FIGURE 11) |
R
1.Disconnect the left/right motor leads and battery leads. Refer to DISCONNECTING/CONNECTING MKIV CONTROLLER, MOTOR AND BATTERY LEADS in this procedure of the manual.
2.Remove the two (2) hex screws that secure the MKIV controller onto the wheelchair.
NOTE: When installing the MKIV controller onto the wheelchair, use Loctite 242 on hex screws.
3.Install the new/existing MKIV controller onto the wheelchair by reversing STEPS 1 and 2.
Wheelchair 
Frame
Disassembly
1.Remove the battery boxes. Refer to INSTALLING/ REMOVING BATTERY BOXES in this procedure of the manual.
2.Disconnect the wiring harness (BLUE) from the controller connector (BLUE).
3.Remove the four (4) phillips screws that secure the battery connectors and battery connector spacers to the wheelchair frame.
4.Remove the two (2) phillips screws, washers and locknuts that secure the charger cable to the charger cable mounting bracket.
5.Cut the tie wrap that secures the wiring harness and motor cables to the crossbraces.
6.Remove the wiring harness from the wheelchair.
Reassembly
W
D
W
H
E
E
L
C H A I R S
Hex Screws | MKIV Controller |
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FIGURE 10 - REMOVING/INSTALLING MKIV
CONTROLLER
Battery Connector Spacer
Wiring Harness
Charger
Cable
Mounting
Bracket
1.Secure the two (2) battery connectors of the new battery harness and the battery connector spacers to the wheelchair frame with the four (4) phillips screws.
2.Secure charger cable to existing mounting bracket on seat frame with two (2) phillips screws, washers and locknuts.
Phillips
Screws
To Controller
Phillips Screws | From Motors |
and Locknuts | |
| FIGURE 11 - REPLACING WIRING HARNESS |
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