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PROCEDURE 11
BATTERIES
This Procedure includes the following:
Installing/Removing Batteries into/From Battery
Boxes
Connecting Battery Cables
When to Charge Batteries
Charging Batteries
Replacing Batteries
Installing/Removing Battery Boxes
Removing/Installing Battery Tray
WARNING
Make sure power to the wheelchair is OFF
before performing this procedure.
The use of rubber gloves and safety glasses
is recommended when working with bat-
teries.
Invacare strongly recommends that bat-
tery installation and battery replacement
always be done by a qualified technician.
After ANY adjustments, repair or service
and BEFORE use, make sure all attaching
hardware is tightened securely - otherwise
injury or damage may result.
INSTALLING/REMOVING
BATTERIES INTO/FROM BATTERY
BOXES (FIGURE 1)
NOTE: To remove the battery(ies) from the battery box(es),
reverse the following procedure.
NOTE: Have the following tools available:
TOOL
QTY
COMMENTS
Battery Lifting Strap
1
See Note
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
*NOTE: The Battery Lifting strap supplied is for Group 22
Batteries ONLY. Refer to the battery manufacturer for the
proper lifting strap and/or battery tools for U1 battery re-
moval/installation.
WARNING
Always use a battery lifting strap when lift-
ing a battery. It is the most convenient
method and assures that the battery acid
will not spill. It also helps to prolong the life
of the battery.
DO NOT tip the batteries. Keep the batter-
ies in an upright position.
FIGURE 1 - INSTALLING/REMOVING
BATTERIES INTO/FROM BATTERY BOXES
Battery Lifting Strap
22 NF Battery
Box Bottom
U1 Battery Box
Bottom
Molded Carrying Strap
Or Hold Down Flanges
Battery Terminal(s)/Post(s)
NOTE: If there is battery acid in the bottom or on the sides
of the battery box(es) or battery(ies), apply baking soda
to these areas to neutralize the battery acid. Before rein-
stalling the NEW or existing battery(ies), clean the baking
soda from the battery box(es) or battery(ies).
NOTE: When securing battery lifting strap to battery,
observe polarity markings located on the ends of the
battery lifting strap, (+) side to POSITIVE (+) battery
terminal/post and (-) side to NEGATIVE (-) battery ter-
minal/post.
1. If necessary, remove the battery boxes from the wheel-
chair. Refer to INSTALLING/REMOVING BATTERY
BOXES in PROCEDURE 11 of this manual.
2. Secure the battery lifting strap to battery terminal(s)/
post(s) (FIGURE 1).
CAUTION
Some battery manufacturers mold a car-
rying strap and/or hold down flanges di-
rectly into the battery case. Batteries which
interfere with the battery box cannot be
used for these applications. Attempting
to “wedge” a battery into a battery box
may damage the box and/or the battery.
3. Place batteries into battery box bottom.
22NF ONLY
Battery