Cleaning/Replacing The Air Filter; Maintaining The Spark Plug; Changing The Engine Oil; Adjusting The Bowden Cable - Grizzly BRM 4213-22 A Translation Of The Original Instructions For Use

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• Check covers and guards (
13, 22) for damage and that they are
sitting correctly. Replace if necessary.
Cleaning/Replacing the
Air Filter
Do not operate the equipment
without the air filter otherwise dust
and dirt will get into the engine and
result in damage to the machine.
1. Remove the spark plugs connector
( 11) (see "Maintaining the Spark
Plug").
2. Open the air filter box (8) and take out
the air filter (9).
3. Clean the air filter (9) with soap solu-
tion and let it dry. Put a few drops of
fresh engine oil into the air filter.
4. To install, place the air filter (9) in the
air filter box (8) and reclose it.
Maintaining the Spark
Plug
A worn spark plug or a spark gap
that is too large will result in a re-
duction of engine performance.
1. Disconnect the spark plug connector
(11) from the spark plug (12) by simul-
taneously pulling and turning.
2. Unscrew the spark plug (12) anti-
clockwise.
3. Check the spark gap using a feeler
gauge (available from specialist
shops). The spark gap must be at
least 0.5-0.6 mm.
4. If necessary, adjust the gap by care-
fully bending the ground electrode on
the spark plug.
5. Clean the spark plug with a wire
brush.
88
2, 11, 6. Insert the cleaned and adjusted spark
plug or replace a damaged spark plug
with a new one (recommended torque
20 Nm, determined with a torque
wrench) (see "Replacement parts/Ac-
cessories").

Changing the Engine Oil

1. Remove the spark plug connector
(
Plug").
2. Open the oil tank cover (
pump out the motor oil with an oil
pump.
3. Refill with engine oil (see "Initial Op-
eration").
If the Bowden cables go out of adjust-
ment, you can adjust them.
1. Loosen the small locking nut (36).
2. - Turn the adjusting nut (37) counter-
clockwise:
The Bowden cable shortens.
- Turn the adjusting nut (37) clockwise:
The Bowden cable extends.
Change the engine oil with the
petrol tank empty and the engine
warm.
• Change the engine oil for the
first time after around 5 operat-
ing hours then every 50 operat-
ing hours or annually.
• Dispose of the used oil in an
ecofriendly manner (see "Dis-
posal/Environmental protec-
tion").
11) (see "Maintaining the Spark
Adjusting the Bowden
cable
16) and