7 SETUP/MAINTENANCE
Part No 1143155
93
Invacare® Formula™ CG Seating
7.16 Installing/Removing the Batteries - TDX SP and TDX SR with Elevating Seat
Removing the Batteries
1.
Place the wheelchair in a well ventilated area where work can be performed without risking damage to carpeting or floor covering.
2.
Perform one of the following -
•
If there is power in the batteries, elevate the seat to the highest position. Refer to the owner’s manual shipped with wheelchair.
•
If there is no power left in the batteries, perform one of the following -
•
If external 12 to 24 volts DC power source is available to elevate the seat, perform of the following:
i.
Connect the external power source to the elevate actuator connector. Refer to Actuator Connection Bypass Instructions on
page 96.
ii.
Elevate the seat to the highest position. Refer to the owner’s manual shipped with wheelchair.
•
If external power source is not available to elevate the seat, remove the seat assembly. Refer to Removing/Installing the Seat Assembly (TDX
SP and TDX SR with Elevating Seat) on page 97.
3.
Verify the joystick On/Off switch is in the Off position and disconnect joystick. Refer to Disconnecting/Connecting the Joysticks on page 86.
4.
Remove the rear, front and top shrouds. Refer to Removing/Installing the Wheelchair Shrouds TDX SP/SR on page 100.
5.
Disconnect the following:
•
The battery wiring harness from the battery controller connector.
•
The drive limit switch from the magnetic switch controller connector.
•
The elevate actuator form the actuator controller connector.
6.
Disconnect the front battery from the rear battery.
7.
Pull the actuator lead and magnetic switch lead from under the rear battery handle.
8.
Using the battery handle, lift the rear battery up and tilt away from the battery box then pull to remove the rear battery from the wheelchair.
9.
From the front of the wheelchair, firmly grasp the front battery strap and pull the front battery forward until the front battery handle can be
grasped.
10. Using the battery handle, lift the front battery up and away from the wheelchair.
11. If replacing the batteries, remove the front and rear battery wiring harness. Refer to Installing/Removing the Batteries - TDX SP and TDX SR
with Elevating Seat on page 93.
For this procedure, refer to FIGURE
13 on page 95
.
