User Instructions

0478 111 9841 B - EN
24
12.1 General
Annual service by the specialist dealer:
The lawn mower should be inspected once
annually by a specialist dealer. STIHL
recommends STIHL specialist dealers.
12.2 Engine
Maintenance interval:
See engine instruction manual.
General information:
Observe the operating and maintenance
instructions contained in the attached
engine instruction manual.
To achieve a long service life, it is always
particularly important to maintain a
sufficient level of oil and to change the oil
and air filter regularly.
The recommended oil change intervals as
well as information on engine oil and oil
capacities can also be found in the engine
instruction manual.
The cooling ribs must always be kept clean
to ensure that the engine is adequately
cooled.
12.3 Cleaning the machine
Maintenance interval:
After each use
Care of the machine will protect it against
damage and extend its service life.
● Select the highest cutting level. (Ö 8.4)
● Detach the grass catcher box. (Ö 8.3)
Cleaning position RM 443, RM 443 T,
RM 448 PT, RM 448 T, RM 448 TX:
● Hold upper handlebar (1) and open the
quick-clamping devices – fold
downwards.
● Set down upper handlebar (1)
rearwards.
● Open discharge flap (2) and hold it
open.
● Lift up the machine at the front and
place in the cleaning position as shown.
Cleaning position RM 448 PC,
RM 448 TC, RM 448 VC:
● Stand to the right of the machine to tilt it
upwards.
● Set the upper handlebar to the lowest
position (as far as the stop, the detent
lever does not engage in this position).
(Ö 8.2)
● Open discharge flap (2) with the right
hand and hold it open.
● Hold the bracket with the left hand as
shown and hold the discharge flap
open. Press detent lever (3) with the
thumb at the same time and hold.
● Hold the machine with the right hand at
the front handle and tilt it slowly
rearwards until the handlebar is in
contact with the ground as shown.
● Release discharge flap (2) and detent
lever (3) and check that the machine is
standing securely.
Notes on cleaning:
● Clean off dirt using little water, with a
brush or with a cloth. In particular, also
clean the mowing blade. Never spray
water onto engine components, seals
or bearing points.
● First, remove accumulated clipping
deposits using a stick.
● If necessary, use a special cleaner
(e.g. STIHL special cleaner).
12. Maintenance
Risk of injury!
Observe the safety instructions in
the section "For your safety" (Ö 4.).
Risk of injury!
Stop the engine, detach the spark
plug socket and allow the machine
to cool down.
Empty the fuel tank (run empty)
before placing the machine in the
cleaning position.
The machine is only safely in the
cleaning position when the
discharge flap is open.
19