Craftsman 536.270321 Operator's Manual page 24

MAINTENANCE FREE BATTERY
HOW TO REMOVE THE BATTERY
To charge or clean the battery, remove the battery from the unit as
follows.
WARNING: To prevent sparks, disconnect the black
battery cable from the negative (−) terminal before you
disconnect the red cable.
WARNING: The battery contains sulfuric acid which is
harmful to the skin, eyes and clothing. If the acid gets
on the body or clothing, wash with water.
1. Disconnect the black cable from the negative (−) terminal
(Figure 22).
2. Disconnect the red cable from the positive (+) terminal.
3. To disconnect the battery retainer from the battery tray, push
in on the lower end of the battery retainer.
4. Remove the battery from the right side of the unit.
HOW TO CLEAN THE BATTERY
1. Remove the battery.
2. Wash the battery with a solution of one gallon of water and four
tablespoons of baking soda (sodium bicarbonate). Make sure
the solution does not get into the battery cells.
400150
MAINTENANCE
Battery
A
Positive (+)
Terminal
A
Battery
Boot
Battery Clamp
24
3. Clean the terminals and the ends of the cables with a wire
brush.
4. Install the battery.
5. To prevent corrosion, apply grease to the battery terminals.
HOW TO CHARGE THE BATTERY
WARNING: When you charge the battery, do not
smoke. Keep the battery away from any sparks. The
fumes from the battery acid can cause an explosion.
1. Before you charge the battery, remove the battery.
2. To charge the battery, use a 12 volt battery charger. Charge at
a rate of 6 amperes for 1 hour.
3. Install the battery.
WARNING: To prevent sparks, fasten the red cable to
the positive (+) terminal before you connect the black
cable.
4. Fasten the red cable to the positive (+) terminal with the fas-
teners as shown.
5. Mount the battery boot onto the positive (+) terminal.
6. Fasten the black cable to the negative (−) terminal with the fas-
teners as shown.
B
Red Cable
Black Cable
Figure 22