Craftsman CTX 9000 Operator's Manual page 19

Electronic Fuel Management System
The Electronic Fuel Management System monitors engine
temperature, engine speed, and battery voltage to adjust
the choke during engine starting and warm up. There are no
adjustments on the system. If starting or operation problems
occur, contact Sears Service.
NOTICE: Make sure to follow the steps below or the
Electronic Fuel Management System could be damaged.
= Never start the engine if the battery cables are loose.
= Turn the key to the off position before disconnecting,
removing and/or installing the battery.
Never use a battery charger to start the engine.
Never disconnect the battery cables while the engine is
running.
When connecting the battery cables, first connect the
positive (+) cable and then connect the negative (-) cable
to the battery.
= When charging the battery, turn the ignition switch to the
off position and disconnect the negative (-) battery cable
from the battery.
= Do not spray water directly on the Electronic Control Unit.
Battery Charging
WARNING
Keep open flames and sparks away from the
battery; the gasses coming from it are highly
explosive. Ventilate the battery well during
charging.
A dead battery or one too weak to start the engine may
be the result of a defect in the charging system or other
electrical component. If there is any doubt about the cause
of the problem, see your dealer. If you need to replace the
battery, follow the steps under Cleaning the Battery and
Cables.
To charge the battery, follow the instructions provided by
the battery charger manufacturer as well as all warnings
included in the safety rules sections of this book. Charge
the battery until fully charged. Do not charge at a rate higher
than 10 amps.
Cleaning the Battery and Cables
WARNING
When removing or installing battery cables,
disconnect the negative cable FIRST and reconnect
it LAST. if not done in this order, the positive terminal
can be shorted to the frame by a tool.
Figure 12
1. Disconnect the cables from the battery, negative
cable first (A, Figure 12).
2. Remove the battery hold-down strap (B) and battery.
3. Clean the battery compartment with a solution of
baking soda and water.
4. Clean the battery terminals and cable ends with a wire
brush and battery terminal cleaner until shiny.
5. Reinstall the battery in the battery compartment, and
secure with the battery hold-down strap.
6. Reattach the battery cables, positive cable first (C).
7. Coat the cable ends and battery terminals with
petroleum jelly or non-conducting grease.
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