Maintaining The Spark Plug; Changing The Engine Oil; Checking/Sharpening/Replacing The Blade; Adjusting The Carburettor - Grizzly BRM 42-125 BS Originalbetriebsanleitung

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3. Clean the air filter (10) with soap
solution and let it dry. Put a few
drops of fresh engine oil into the
air filter.
4. To install, place the air filter (10)
in the air filter box (9) and re-
close 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 con-
nector (12) from the spark plug
(13) by simultaneously pulling
and turning.
2. Unscrew the spark plug (13) an-
ticlockwise using the enclosed
spark plug wrench (
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
carefully bending the ground
electrode on the spark plug.
5. Clean the spark plug with a wire
brush.
6. Insert the cleaned and adjusted
spark plug or replace a dam-
aged spark plug with a new one
(recommended torque 20 Nm,
determined with a torque
wrench) (see "Replacement
parts/Accessories").

Changing the Engine Oil

Change the engine oil with the
petrol tank empty and the engine
warm.
96
1. Remove the spark plug connector (
12) (see "Maintaining the Spark Plug").
2. Open the oil tank cover (
pump out the motor oil with an oil
pump.
3. Refill with engine oil (see "Initial Opera-
tion").
Checking/Sharpening/Replacing
the Blade
27).
• Take off the spark plug connector (
12) and check the blade for wear and
damage.
• Always have a blunt blade resharpened
by a specialist company, as an imbal-
ance check can be carried out there.
• Always have a specialist workshop
change a damaged or imbalanced
blade.

Adjusting the Carburettor

The carburettor has been preset in the fac-
tory for optimum performance. If readjust-
ments are required, have the adjustments
made by a specialist workshop.
• Change the engine oil for the
first time after around 5 operating
hours then every 50 operating
hours or annually.
• Dispose of the used oil in an eco-
friendly manner (see "Disposal/
Environmental protection").
Only allow specialist companies to
install and dismantle the knife.
Wear gloves when handling the
blade.
Incorrect installation can result in
serious injury.
19) and