Fault Cause Remedy
engine power
deteriorating.
Cutting height is set too low or
rate of feed is too high.
Adapt cutting height or mow more slowly.
Water in fuel tank and carburet‐
tor or carburettor is blocked.
Empty fuel tank, clean fuel line and carburettor.
Fuel tank is contaminated. Consult a STIHL specialist dealer.
Air filter is dirty. Consult a STIHL specialist dealer.
Spark plug is dirty. Clean or replace spark plug.
Engine over‐
heating.
Engine oil level is too low. Add or change engine oil as described in the engine
instruction manual.
Cooling ribs are dirty. Clean lawn mower.
Lawn mower
vibrates
excessively.
Blade is damaged. Replace blade.
Blade is not correctly attached. Attach blade.
Grass is not
being cut
cleanly.
Blade is blunt or worn. Sharpen or replace blade.
19 Specifications
19.1 STIHL RM 248.2 T,
RM 253.2 T Lawn Mower
–
Engine type:
–
RM 248.2 T: STIHL EVC 200
–
RM 253.2 T: STIHL EVC 200
–
Displacement:
–
RM 248.2 T: 139 cm³
–
RM 253.2 T: 139 cm³
–
Power:
–
RM 248.2 T: 2.1 kW (2.8 hp) at 2800 rpm
–
RM 253.2 T: 2.1 kW (2.8 hp) at 2800 rpm
–
Speed:
–
RM 248.2 T: 2800 rpm
–
RM 253.2 T: 2800 rpm
–
Maximum fuel tank capacity: 900 cm³ (0.9 l)
–
Weight:
–
RM 248.2 T: 28 kg
–
RM 253.2 T: 29 kg
–
Maximum grass catcher box capacity: 55 l
–
Cutting width:
–
RM 248.2 T: 46 cm
–
RM 253.2 T: 51 cm
19.2 Blade
–
Minimum thickness a: 2.0 mm
–
Minimum width b: 55 mm
–
Sharpening angle c: 30°
19.3 Sound Values and Vibration
Values
RM 248.2 T
The K value for the sound pressure level is
2 dB(A). The K value for the guaranteed sound
power level is 1.2 dB(A). The K value for the
vibration values is 1.40 m/s².
–
Sound pressure level L
pA
measured in accord‐
ance with EN ISO 5395-2: 80 dB(A)
–
Guaranteed sound power level L
WAd
meas‐
ured in accordance with 2000/14/
EC / S.I. 2001/1701: 94 dB(A)
–
Vibration value a
hv
, handlebar, measured in
accordance with EN ISO 5395-2: 2.80 m/s²
RM 253.2 T
The K value for the sound pressure level is
2 dB(A). The K value for the guaranteed sound
power level is 1.4 dB(A). The K value for the
vibration value is 2.2 m/s².
–
Sound pressure level L
pA
measured in accord‐
ance with EN ISO 5395-2: 84 dB(A)
–
Guaranteed sound power level L
WAd
meas‐
ured in accordance with 2000/14/
EC / S.I. 2001/1701: 97 dB(A)
–
Vibration value a
hv
, handlebar, measured in
accordance with EN ISO 5395-2: 5.50 m/s²
For information on compliance with Employers'
Vibration Directive 2002/44/EC and
S.I. 2005/1093, see www.stihl.com/vib.
English 19 Specifications
34 0478-111-9849-A
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