Figure 31
1. Center electrode insulator
3. Air gap (not to scale)
2. Side electrode
Installing the Spark Plug
1. Install the spark plug . Mak e sure that the air g ap
is set cor rectly .
2. Tighten the spark plug to 30 ft-lb (41 N·m).
3. Push the wire onto the spark plug ( Figure 30 ).
Servicing the Battery
Chec k the electrolyte lev el in the batter y ev er y 25 hours .
Alw a ys k ee p the batter y clean and fully c harg ed. Use
a paper to w el to clean the batter y case . If the batter y
ter minals are cor roded, clean them with a solution
of four par ts w ater and one par t baking soda. Apply
a light coating of g rease to the batter y ter minals to
prev ent cor rosion.
V oltag e: 12 V
Removing the Battery
Batter y ter minals or metal tools could shor t
a gainst metal machine components causing
spar ks. Spar ks can cause the batter y gasses to
explode, r esulting in per sonal injur y .
• W hen r emo ving or installing the batter y , do
not allo w the batter y ter minals to touch an y
metal par ts of the machine.
• Do not allo w metal tools to shor t betw een
the batter y ter minals and metal par ts of the
machine.
1. P ark the mac hine on a lev el surface and diseng ag e
the blade control (PTO).
2. Mo v e the motion control lev ers to the brak e
position, stop the engine , remo v e the k ey , and w ait
for all mo ving par ts to stop before lea ving the
operating position.
3. Tip the seat forw ard to see the batter y .
4. Disconnect the neg ati v e (blac k) g round cable from
the batter y post ( Figure 32 ).
Incor r ect batter y ca ble r outing could
dama ge the machine and ca bles causing
spar ks. Spar ks can cause the batter y gasses
to explode, r esulting in per sonal injur y .
• Al w ays disconnect the negati v e (black)
batter y ca ble bef or e disconnecting the
positi v e (r ed) ca ble.
• Al w ays connect the positi v e (r ed) batter y
ca ble bef or e connecting the negati v e
(black) ca ble.
5. Slide the r ubber co v er up the positi v e (red) cable .
Disconnect the positi v e (red) cable from the batter y
post ( Figure 32 ).
6. R emo v e the batter y hold-do wn ( Figure 32 ) and lift
the batter y from the batter y tra y .
Figure 32
1. Battery
4. Negative battery cable
2. Terminal boot 5. Battery hold-down
3. Positive battery cable 6. Bolt, nut, and washer
Checking the Battery Electrolyte Level
Batter y electr ol yte contains sulfuric acid which
is a deadl y poison and causes sev er e bur ns.
• Do not drink electr ol yte and a v oid contact
with skin, ey es or clothing . W ear safety
g lasses to shield y our ey es and r ub ber g lo v es
to pr otect y our hands.
• Fill the batter y wher e clean w ater is al w ays
a v aila ble f or flushing the skin.
27
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