Engine - Jonsered FR 2312 MA Operator's Manual

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.
10. Replace the ignition cable shoe.
CAUTION: Do not try to start the engine
if the spark plug or ignition cable is
removed.
11. Attach the rear right cover, see
attach the rear right cover on page 20 .
To replace the main fuse
A broken fuse is identified by a burned connector.
1. Remove the 2 screws and remove the protective
cover. The main fuse is in a holder behind the
battery.
2. Pull the fuse from the holder.
3. Replace the broken fuse with a new fuse of the
same type, flat pin 15 A.
4. Replace the cover.
If the main fuse breaks again a short period after you
replace it, there is a short circuit. Repair the short circuit
before you operate the product again. Let an approved
service agent help you.
To charge the battery
• Charge the battery if it is too weak to start the

engine.

512 - 001 - 26.01.2018
To remove and
• 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.
• Charge for 4 hours at maximum 3A.
• Always disconnect the charger before starting the
engine.
• When the battery is charged, connect the red cable
to the POSITIVE battery terminal (+) and the black
cable to the NEGATIVE battery terminal (-). Make
sure that the red (+) cable is drawn behind the black
(-) cable.
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 your
product to start other vehicles.
1. Remove the engine cover.
2. Remove the cover for the battery case.
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