SECTION 18—MK5 ELECTRONICS
130
Part No 1125031
FIGURE 18.1
Replacing the TRSS
NOTE: For this procedure, refer to FIGURE 18.2 on page 131.
NOTE: Reverse this procedure to install the TRSS. Ensure the cables are secured 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. For proper installation, note the location of any tie-wraps securing TRSS cables.
10. Cut the tie-wraps securing TRSS cables.
11. Remove the two button head screws securing the TRSS to the mounting bracket.
Half Clamp
(Threaded Holes)
Half Clamp
(Unthreaded Holes)
Mounting Plate
Pan Head Screws
Hex Screws
SAC
Cam Switch Harness
Connector (WHITE)
Drive Lockout Sensor Connector
(3-pin Molex connector)
Auxiliary Power Connector
5-pin Connector
(To Controller)
Front of Wheelchair
Rear of Wheelchair