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

 

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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Invacare P9000 service manual Disassembly, Reassembly, Phillips Screws To Controller, From Motors