Invacare Wheelchair Pronto M91 Base - Manual (Page 57)

SECTION 9—BATTERIES
Part No 1143153 57 Pronto® M91™Base with SureStep®
Installing/Removing the Batteries
NOTE: For this procedure, refer to FIGURE 9.1 on page 58 and FIGURE 9.2 on page 59.
NOTE: Have the following tools available:
Installing
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
Assembly on page 47.
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. Move aside the motor leads and controller cable to allow unobstructed access to the
front of the battery tray.
NOTE: Perform this section on one battery at a time starting with the rear battery. Repeat STEP
6 to position the remaining battery into the battery tray.
7. Perform one of the following to position the battery into the battery tray:
• Batteries With Built In Lifting Strap ‐ Use built in lifting strap to position battery
into the battery tray (Detail “A” of FIGURE 9.1).
• Batteries Without Built In Lifting Strap ‐ Use the battery lifting strap to position
battery into the battery tray. When battery is in proper position, remove lifting
strap (Detail “B” of FIGURE 9.1).
8. Using the battery retaining strap, secure the two batteries into the battery tray.
TOOL QTY COMMENTS
Battery Lifting Strap 1 Supplied
1/2-inch (6 pt) Box Wrench 1 Not Supplied
7/16-inch (6pt) Box Wrench 1 Not Supplied
3/8-inch (6pt) Box Wrench 1 Not Supplied
Diagonal Cutters 1 Not Supplied