To Replace The Main Fuse; To Examine And Replace The Spark Plug; To Charge The Battery - Husqvarna R112C Manual De Usuario

8. Attach the screw (B).
A
B

To examine and replace the spark plug

1. Remove the rear right cover, see
attach the rear right cover on page 21 .
2. Remove the ignition cable shoe and clean around
the spark plug.
3. Remove the spark plug with a ⅝ʺ (16 mm) spark
plug wrench.
4. Examine the spark plug. Replace it if the electrodes
are burned or if the insulation has cracks or
damages. If the spark plug is not damaged, clean it
with a steel brush.
5. Measure the electrode gap and make sure that it is
Technical data on page 29 .
correct. See
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.
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 21 .
22
To remove and
To remove and

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.
• 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.
1466 - 002 - 28.09.2020