Removing, Figure 9.2 – Invacare Wheelchair Pronto M91 Base User Manual
Page 59
SECTION 9—BATTERIES
59
Pronto® M91™Base with SureStep®
FIGURE 9.2 Installing/Removing the Batteries
Removing
1. Place the wheelchair in a well ventilated area where work can be performed without
risking damage to carpeting or floor covering.
2. Verify the joystick On/Off switch is in the Off position and disconnect joystick. Refer
to Disconnecting/Connecting the Joysticks on page 44.
3. Perform one of the following:
• Wheelchairs without Formula PTO Plus ‐ Remove the seat. Refer to Removing/
Installing the Seat Assembly on page 46.
• Wheelchairs with Formula PTO Plus ‐ Tilt the seat back. Refer to Tilting the Seat
4. Remove the top shroud. Refer to Removing/Installing the Shrouds on page 52.
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 9.2.
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 9.2.
9. If necessary, disconnect the wiring harness from batteries. Refer to Connecting/
Disconnecting the Battery Wiring Harness on page 60.
10. Unfasten the retaining strap that secures the two batteries in the battery tray.
Front of Wheelchair
Rear of wheelchair
RED Connector from
Battery to Controller
Front Battery
RED Front POSITIVE (+)
Battery Terminal Mounting
Screw, Nut and Fuse Hardware
(Terminal Cap Shown)
RED Rear POSITIVE (+) Battery
Terminal Mounting Screw, Nut
and Fuse Hardware*
RED Controller Connector
(Not Shown)
Rear Battery
BLACK Front NEGATIVE (-)
Battery Terminal Mounting
Screw, Nut and Fuse Hardware
(Terminal Cap Shown)
BLACK Battery Connectors
GREY Rear NEGATIVE (-)
Battery Terminal Mounting
Screw, Nut and Fuse Hardware*
Retaining Strap
*NOTE: Terminal cap shown removed for clarity.
RED Battery Connectors
Tie Wrap
Tie Wrap