SECTION 18—MK5 ELECTRONICS
Part No 1125031
129
SECTION 18—MK
5
ELECTRONICS
WARNING
After any adjustments, repair or service and before use, make sure all attaching
hardware is tightened securely - otherwise injury or damage may result.
Before performing any maintenance, adjustments or service, always turn the wheel-
chair power off, otherwise injury or damage may result.
Replacing the SAC
NOTE: For this procedure, refer to FIGURE 18.1 on page 130.
NOTE: Reverse this procedure to install the SAC. Ensure the cables are toward the rear of the
wheelchair and secure them as described in Securing the Cables on page 143.
1. Use the tilt function to tilt the seat back to 20° to 25°. Refer to Operating the Powered
2. Turn the joystick off.
3. Disconnect the joystick.
4. Tilt the PTO Plus back. Refer to Tilting the Seat Assembly on page 81.
5. Remove the shroud listed below from the wheelchair. Refer to the owner’s manual
listed in Reference Documents on page 8.
• TDX Wheelchairs - Remove the rear shroud.
• M71 and M91 Wheelchairs - Remove the front shroud.
6. Disconnect the PTO Plus auxiliary power connector from the power take-off
connector of the MK5 controller.
7. Disconnect the cam switch harness (WHITE connector).
8. Disconnect the drive lockout sensor (3-pin Molex connector).
9. Disconnect the 5-pin connector from the MK5 controller.
10. For proper installation, note the location of any tie-wraps securing the SAC cables to
the wheelchair.
11. Cut the tie-wraps securing the SAC cables to the wheelchair.
12. Remove the two pan head screws securing the SAC to the mounting plate.
13. Remove the two hex screws securing the half clamps to the wheelchair frame.
14. Remove the half clamps from the wheelchair frame.