Removing The Hoes; Cleaning The Machine; Combustion Engine; Service Intervals - Stihl MH 445 Instruction Manual

12.1 Removing the hoes

The complete hoe set together with
the plant protection disc can be
removed from the drive shaft by
removing the folding retainer next
to the gearbox housing. For
assembly work on the hoes, follow
the instructions in the "Mounting the
hoes" ( 7.7), ( 7.8) and "Hoe
combinations" ( 10.3) sections.
● Allow the machine (engine, gearbox) to
cool down completely.
● Place the tiller in the cleaning position.
( 12.2)
● Removing the plant protection discs:
Fold open the securing clip of folding
retainer (1) and remove the folding
retainer. Remove plant protection
disc (2).
● Removing the hoes:
Fold open the securing clip of folding
retainer (3) and remove the folding
retainer. Remove the hoe assembly (4).
● Remove the protection rings (5) and
store safely – do not lose!

12.2 Cleaning the machine

Maintenance interval:
After each use
● Clean the entire machine thoroughly
after each use. Care of the machine will
protect it against damage and extend its
service life.
36
● Before cleaning, allow the machine to
cool down completely, detach the spark
plug socket and wear long sleeves and
28
thick gloves during cleaning work on the
gearbox and hoes.
Cleaning position:
Avoid damage to the machine!
Only place the tiller in the illustrated
position for short periods (cleaning
and maintenance operations).
Place the machine in the upright
position during storage.
● Fold out the transport chassis. (
● Move the upper handlebar to the
uppermost position. (
● Move the tiller onto firm and level
ground.
● Tip the machine backwards until the
handlebar rests on the ground.
Notes on cleaning:
● Remove the dirt and accumulated
deposits using a brush, a damp cloth or
a stick – do not use aggressive cleaning
agents. STIHL recommends the use of
a special cleaner (e.g. STIHL special
cleaner).
● Never spray water onto the handlebar,
engine components, seals or bearing
points. This would result in expensive
repairs.
29
● Engine:
Remove dirt from the cooling ribs, fan
wheel, area around the air filter,
exhaust, etc. to ensure that the engine
is adequately cooled.
● Gearbox housing, chassis and hoes
can be cleaned using a water jet or
high-pressure cleaner.

12.3 Combustion engine

Maintenance interval:
Before each use
11.4)
Check the engine oil level (see engine
instruction manual).
11.2)
Observe the operating and maintenance
instructions contained in the attached
engine instruction manual.

12.4 Service intervals

Maintenance by the specialist dealer:
For private use, annually
Maintenance of the tiller should be
performed by a specialist dealer. STIHL
recommends STIHL specialist dealers.
Maintenance by the user:
● Before each use
Check the engine oil level (see engine
instruction manual)
● After each use
Clean the machine. (
Avoid damage to the machine!
When using a high-pressure
cleaner, maintain a distance of at
least 1 m and never direct the
water jet directly at bearing points,
drive shaft or seals – especially the
seal between the gearbox housing
and guard plate.
Avoid damage to the machine!
Always have the gearbox
maintained by a specialist dealer.
12.2)
0478 403 9802 B - EN