
18 Troubleshooting
18.1
Remedying Lawn Mower Faults
Fault
Cause
Remedy
Engine cannot
be started.
Control bar for mowing is not
pressed.
► Start engine as described in this instruction
manual.
Fuel tank is empty.
► Refuel lawn mower.
Fuel line is blocked.
► Consult a STIHL specialist dealer.
Inferior, dirty or old fuel in the
tank.
► Use fresh, good-quality unleaded petrol.
Air filter is dirty.
► Consult a STIHL specialist dealer.
Spark plug socket is detached
from spark plug or ignition lead
is not properly fastened to
socket.
► Connect spark plug socket.
► Check connection between ignition lead and plug.
Spark plug is dirty, damaged or
electrode gap is incorrect.
► Clean or replace spark plug.
► Adjust electrode gap.
Resistance at the blade is too
great.
► Set a higher cutting height.
► Start engine in lower grass.
Engine diffi‐
cult to start or
engine power
deteriorating.
Lawn mower housing is
blocked.
Clean lawn mower.
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 448.1 VC Lawn
Mower
–
Engine type: STIHL EVC 300.0
–
Displacement: 166 cm³
–
Power: 2.6 kW (3.5 hp) at 2800 rpm
–
Speed: 2800 rpm
–
Maximum fuel tank capacity: 900 cm³ (0.9 l)
–
Weight: 29 kg
–
Maximum grass catcher box capacity: 55 l
–
Cutting width: 46 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
The K value for the sound pressure level is
2 dB(A). The K value for the sound power level is
1.1 dB(A). The K value for the vibration value is
2.20 m/s².
18 Troubleshooting
English
0478-111-9904-A
35
Summary of Contents for RM 448 VC
Page 271: ...4 4 1 4 2 STIHL RM 448 VC 4 3 STIHL 4 pycc 0478 111 9904 A 271...
Page 272: ...STIHL 4 4 EN 166 4 5 4 6 4 6 1 STIHL pycc 4 272 0478 111 9904 A...
Page 273: ...STIHL STIHL STIHL STIHL 4 6 2 19 2 19 2 STIHL STIHL 4 7 4 pycc 0478 111 9904 A 273...
Page 274: ...3 15 4 8 25 46 6 pycc 4 274 0478 111 9904 A...
Page 275: ...3 STIHL 4 pycc 0478 111 9904 A 275...
Page 276: ...4 9 4 10 4 11 pycc 4 276 0478 111 9904 A...
Page 279: ...7 7 1 1 15 8 8 1 1 2 1 3 4 5 2 1 1 6 1 7 pycc 0478 111 9904 A 279...
Page 280: ...7 8 7 8 6 8 2 1 2 1 2 8 3 9 9 1 1 2 3 3 9 2 10 10 1 pycc 9 280 0478 111 9904 A...
Page 282: ...1 2 3 3 11 3 2 11 4 11 5 1 1 2 1 1 1 2 2 3 4 5 6 2 2 2 12 12 1 pycc 12 282 0478 111 9904 A...
Page 283: ...13 13 1 1 2 1 3 14 14 1 3 STIHL 15 15 1 13 pycc 0478 111 9904 A 283...
Page 307: ...STIHL STIHL STIHL STIHL 2 2 1 2006 42 EC STIHL EVC 300 0 2 2 2 3 3 3 1 1 2 0478 111 9904 A 307...
Page 309: ...4 2 STIHL RM 448 VC 4 3 STIHL STIHL 4 4 4 0478 111 9904 A 309...
Page 310: ...EN 166 4 5 4 6 4 6 1 STIHL STIHL STIHL STIHL 4 310 0478 111 9904 A...
Page 311: ...STIHL 4 6 2 19 2 19 2 STIHL STIHL 4 7 3 15 4 0478 111 9904 A 311...
Page 312: ...4 8 25 46 6 3 STIHL 4 312 0478 111 9904 A...
Page 313: ...4 9 4 0478 111 9904 A 313...
Page 314: ...4 10 4 11 15 2 5 5 1 5 314 0478 111 9904 A...
Page 316: ...6 2 6 2 1 1 2 3 4 5 3 4 1 1 6 2 2 1 2 3 4 5 6 7 1 2 6 2 3 6 3 7 7 1 7 316 0478 111 9904 A...
Page 317: ...1 15 8 8 1 1 2 1 3 4 5 2 1 1 6 1 7 8 7 8 6 8 2 1 2 1 2 8 3 8 0478 111 9904 A 317...
Page 318: ...9 9 1 1 2 3 3 9 2 10 10 1 STIHL 10 2 15 1 a b c 19 2 19 2 STIHL 9 318 0478 111 9904 A...
Page 320: ...11 4 11 5 1 1 2 1 1 1 2 2 3 4 5 6 2 2 2 12 12 1 13 13 1 12 320 0478 111 9904 A...
Page 321: ...1 2 1 3 14 14 1 3 STIHL 15 15 1 11 2 8 2 1 2 14 0478 111 9904 A 321...
Page 323: ...19 2 STIHL 17 17 1 STIHL STIHL 18 18 1 STIHL STIHL 17 0478 111 9904 A 323...
Page 328: ...2 3 3 3 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 3 328 0478 111 9904 A...
Page 329: ...3 2 XX LWA 2000 14 EC dB A 4 4 1 4 2 STIHL RM 448 VC 4 3 4 0478 111 9904 A 329...
Page 330: ...STIHL STIHL 4 4 EN 166 4 5 4 6 4 6 1 4 330 0478 111 9904 A...
Page 331: ...STIHL STIHL STIHL STIHL STIHL 4 6 2 19 2 19 2 STIHL STIHL 4 7 4 0478 111 9904 A 331...
Page 332: ...3 m 15 4 8 25 46 6 4 332 0478 111 9904 A...
Page 333: ...3 STIHL 4 0478 111 9904 A 333...
Page 334: ...4 9 4 10 4 11 4 334 0478 111 9904 A...
Page 337: ...7 7 1 1 15 mm 8 8 1 1 2 1 3 4 5 2 1 1 6 1 7 0478 111 9904 A 337...
Page 338: ...7 8 7 8 6 8 2 1 2 1 2 8 3 9 9 1 1 2 3 3 9 2 10 10 1 9 338 0478 111 9904 A...
Page 341: ...13 13 1 1 2 1 3 14 14 1 3 STIHL 13 0478 111 9904 A 341...
Page 419: ...4 4 1 4 2 STIHL RM 448 VC 4 3 STIHL STIHL 4 0478 111 9904 A 419...
Page 420: ...4 4 EN 166 4 5 4 6 4 6 1 STIHL 4 420 0478 111 9904 A...
Page 421: ...STIHL STIHL STIHL STIHL 4 6 2 19 2 19 2 STIHL STIHL 4 7 3 4 0478 111 9904 A 421...
Page 422: ...15 4 8 25 46 6 3 4 422 0478 111 9904 A...
Page 423: ...STIHL 4 9 4 0478 111 9904 A 423...
Page 424: ...4 10 4 11 15 2 5 5 1 4 6 1 4 6 2 5 424 0478 111 9904 A...
Page 426: ...6 2 6 2 1 1 2 3 4 5 3 4 1 1 6 2 2 1 2 3 4 5 6 7 1 2 6 2 3 6 3 7 7 1 1 7 426 0478 111 9904 A...
Page 427: ...15 8 8 1 1 2 1 3 4 5 2 1 1 6 1 7 8 7 8 6 8 2 1 2 1 2 8 3 8 0478 111 9904 A 427...
Page 428: ...9 9 1 1 2 3 3 9 2 10 10 1 STIHL 10 2 15 1 a b c 19 2 19 2 STIHL 11 11 1 9 428 0478 111 9904 A...
Page 430: ...11 5 1 1 2 1 1 1 2 2 3 4 5 6 2 2 2 12 12 1 13 13 1 1 2 1 3 12 430 0478 111 9904 A...
Page 431: ...14 14 1 3 STIHL 15 15 1 11 2 8 2 1 2 3 15 2 16 16 1 STIHL STIHL 14 0478 111 9904 A 431...
Page 433: ...18 18 1 STIHL STIHL STIHL STIHL 18 0478 111 9904 A 433...
Page 491: ...23 nvanlar Az rbaycan dili 0478 111 9904 A 491...
Page 492: ...www stihl com 04781119904A 04781119904A 0478 111 9904 A 0478 111 9904 A...