Connecting/Disconnecting The Battery Wiring Harness - Invacare Pronto M91 Service Manual

SECTION 11—BATTERIES
2. Verify the joystick ON/OFF switch is in the OFF position and disconnect joystick.
Refer to Disconnecting/Connecting the Joystick on page 112.
3. Perform one of the following:
• Wheelchairs without Formula PTO Plus ‐ Remove the seat. Refer to Removing/
Installing or Tilting the Seat Assembly on page 35.
• Wheelchairs with Formula PTO Plus ‐ Tilt the seat back. Refer to Removing/
Installing or Tilting the Seat Assembly on page 35.
4. Remove the top shroud. Refer to Removing/Installing the Shrouds on page 88.
5. If necessary, disconnect right and left motor leads to allow access to the front of the
battery tray.
6. Disconnect the front battery from controller (RED connector). Refer to FIGURE 11.2.
7. Move aside the motor leads and controller cable to allow unobstructed access to the
front of the battery tray.
8. Disconnect the rear battery from the front battery (RED and BLACK connectors). Refer
to FIGURE 11.2.
9. If necessary, disconnect the wiring harness from batteries. Refer to Connecting/
Disconnecting the Battery Wiring Harness on page 106.
10. Unfasten the retaining strap that secures the two batteries in the battery tray.
NOTE: Perform this section on one battery at a time starting with the FRONT battery. Repeat
STEP 10 to remove remaining battery from battery tray.
11. Perform one of the following to remove the battery from the battery tray:
• Batteries With Built‐in Lifting Strap‐ Use built in lifting strap to remove the battery
from the battery tray (Detail "A" of FIGURE 11.1).
• Batteries Without Built‐in Lifting Strap‐ Use the battery lifting strap to remove the
battery from the battery tray (Detail "B" of FIGURE 11.1).

Connecting/Disconnecting the Battery Wiring Harness

NOTE: For this procedure, refer to FIGURE 11.3 on page 108.
NOTE: Perform this section on one battery at a time starting with the front battery.
NOTE: Wheelchairs with MKIV™ Electronics: Wiring harness used with the front battery has
two connectors; one to the rear battery wiring harness and one to the Controller cable.
NOTE: Wheelchairs with MKIV™ Electronics: Wiring harness used with the rear battery has one
connector to the front battery wiring harness.
NOTE: Wheelchairs with MK
battery wiring harness (RED and BLACK) and one to the controller cable (RED), and the rear
battery has two connectors (RED and BLACK) to the front battery wiring harness.
®
Pronto M91™and M94™
Electronics: The front battery has three connectors ‐ two to the rear
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Part No. 1125038