SPARK PLUGS
Check or replace spark plugs as recommended in the
Periodic Maintenance Schedule (located in Operator's
Manual). Replace spark plugs that show signs of fouling
or electrode erosion.
BATTERY INSPECTION
Ignition
of
explosive battery gases
can result in severe personal injury.
Do
not smoke or allow any ignition source near the
battery.
Check battery cells with a hydrometer (Figure
4).
Specific gravity reading should be between 1.260 and
1.290 at
77°F
(25°C).
If
one or more cells are low on water, add distilled water
and recharge. Keep the battery case clean and dry. An
accumulation of moisture or dirt will accelerate dis-
charge and battery failure.
SPECIFIC
GRAVITY
READING
SHOULD
BE
at
77°F
(25°C)
FIGURE
4.
SPECIFIC GRAVITY TEST
Keep the battery
terminals
clean and tight. Push the
cable terminal down flush with or slightly below the top
of the battery post (Figure
5).
After making connections,
coat the terminals with a light application of petroleum
jelly or grease to retard corrosion.
Poor contact at the battery cable connections is often a
source of trouble. Make sure battery cables are in good
condition and that contacting surfaces are clean and
tightly connected.
Do
not reverse battery leads. Use
recommended battery tools when disconnecting leads
to avoid mechanical battery damage.
BATTERY
POST
CABLETERMINAL
FIGURE
5.
BATTERY
CABLE
CONNECTION
BATTERY
JUMP
STARTING
Occasionally,
it
may be necessary to jump start (charge)
a weak battery using a charged booster battery.
If
jump
starting is necessary, the following procedure is recom-
mended
to
prevent starter damage, battery damage, and
personal injuries.
1.
2.
3.
4.
Disconnect engine load.
Use a battery of the same voltage
(1
2V) as is used
with your engine.
Attach one end of the positive booster cable (red) to
the positive
(+)
terminal
of
the booster battery.
Attach the other end of the positive cable to the
positive
(+)
terminal of your engine battery.
Electrical arcing can cause se-
vere personal injury. Do not allow
positive and negative cable ends to touch.
Attach one end
of
the negative booster cable (black)
to negative
(-)
terminal
of
booster battery., Attach
other end of negative cable to a solid chassis
ground on your engine.
8-3
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