19 Specifications
Fault
Cause
Spark plug is dirty, damaged or
electrode gap is incorrect.
Resistance at the blade is too
great.
Engine diffi‐
Lawn mower housing is
cult to start or
blocked.
engine power
deteriorating.
Cutting height is set too low or
rate of feed is too high.
Water in fuel tank and carburet‐
tor or carburettor is blocked.
Fuel tank is contaminated.
Air filter is dirty.
Spark plug is dirty.
Engine over‐
Engine oil level is too low.
heating.
Cooling ribs are dirty.
Lawn mower
Blade is damaged.
vibrates
excessively.
Blade is not correctly attached.
Grass is not
Blade is blunt or worn.
being cut
cleanly.
19 Specifications
19.1
STIHL RM 443.1 Lawn Mower
– Engine type: STIHL EVC 200 C
– Displacement: 139 cm³
– Power: 2.1 kW (2.8 hp) at 2800 rpm
– Speed: 2800 rpm
– Maximum fuel tank capacity: 900 cm³ (0.9 l)
– Weight: 25 kg
– Maximum grass catcher box capacity: 55 l
– Cutting width: 41 cm
19.2
Blade
– Minimum thickness a: 2.0 mm
– Minimum width b: 39 mm
– Sharpening angle c: 30°
19.3
Sound Values and Vibration
Values
RM 443.1
The K value for the sound pressure level is
2 dB(A). The K value for the sound power level is
1.2 dB(A). The K value for the vibration values is
2.20 m/s².
– Sound pressure level L
ance with 2006/42/EC: 80 dB(A)
0478-111-9950-A
measured in accord‐
pA
Remedy
► Clean or replace spark plug.
► Adjust electrode gap.
► Set a higher cutting height.
► Start engine in lower grass.
Clean lawn mower.
Adapt cutting height or mow more slowly.
Empty fuel tank, clean fuel line and carburettor.
Consult a STIHL specialist dealer.
Consult a STIHL specialist dealer.
Clean or replace spark plug.
Add or change engine oil as described in the engine
instruction manual.
Clean lawn mower.
Replace blade.
Attach blade.
Sharpen or replace blade.
– Sound power level L
ance with 2000/14/EC: 92.2 dB(A)
– Vibration value a
with EN 12096, handlebar: 4.40 m/s²
For information on compliance with Employers'
Vibration Directive 2002/44/EC, see
www.stihl.com/vib.
19.4
REACH
REACH is an EC regulation and stands for the
Registration, Evaluation, Authorisation and
Restriction of Chemical substances.
For information on compliance with the REACH
regulation see www.stihl.com/reach.
20 Spare Parts and Accesso‐
ries
20.1
Spare parts and accessories
These symbols indicate original STIHL
spare parts and original STIHL acces‐
sories.
STIHL recommends the use of original STIHL
spare parts and accessories.
measured in accord‐
wA
measured in accordance
hv
English
33