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5. Measure the electrode gap and make sure that it is
correct. See
Technical data on page 129
.
6. Bend the side electrode to adjust the electrode gap.
7. Put the spark plug back in and turn it by hand until it
touches the spark plug seat.
8. Tighten the spark plug with the spark plug wrench
until the washer is compressed.
9. Tighten a used spark plug ⅛ of a turn more, and a
new spark plug ¼ turn more.
CAUTION: Spark plugs that are not
tightened correctly can cause damage to
the engine.
CAUTION: Do not try to start the
engine if the spark plug or ignition cable
is removed.
To replace the fuses
The fuses are put in 2 groups. The fuses for the mower
control module and the engine are in a holder in front of
the battery. The fuses for auxiliary electrical outputs are
in a holder in front of the hydraulic oil cooler. A blown
fuse is identified by a burned connector.
1. Open the engine cover.
2. Pull the fuse from the holder.
3. Replace the blown fuse.
4. Close the engine cover.
If the fuse blows again a short period after you replace
it, there is a short circuit. Repair the short circuit before
you operate the product again.
To charge the battery
• Charge the battery if it is too weak to start the
engine.
• Use a standard battery charger.
CAUTION: Do not use a boost
charger or start booster. That will cause
damage to the electrical system of the
product.
• Always disconnect the charger before starting the
engine.
To do an emergency start of the engine
If the battery is too weak to start the engine, you can use
jumper cables to do an emergency start. This product
has a 12 V system with negative ground. The product
that is used for the emergency start must also have a 12
V system with negative ground.
To connect the jumper cables
WARNING: Risk of explosion because
of explosive gas that comes from the
battery. Do not connect the negative
terminal of the fully charged battery to or
near the negative terminal of the weak
battery.
CAUTION: Do not use the battery of the
product to start other vehicles.
1. Connect one end of the red cable to the POSITIVE
battery terminal (+) on the weak battery (A).
B
A
C
D
2. Connect the other end of the red cable to the
POSITIVE battery terminal (+) on the fully charged
battery (B).
WARNING:
Do not short circuit
the ends of the red cable against the
chassis.
3. Connect one end of the black cable to the
NEGATIVE battery terminal (-) on the fully charged
battery (C).
1795 - 002 - 09.12.2022
115
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