Dolmar MS290.4U - SPECIFICATIONS; Noise

2 ENGLISH
ENGLISH (Original instructions)
TABLE OF CONTENTS
SPECIFICATIONS ....................................................... 2
SAFETY WARNINGS .................................................. 3
PARTS DESCRIPTION ................................................ 7
ASSEMBLY .................................................................. 8
BEFORE STARTING THE ENGINE ........................... 13
OPERATION .............................................................. 15
MAINTENANCE ......................................................... 19
TROUBLESHOOTING ............................................... 31
SPECIFICATIONS
Model: MS290.4U MS290.4L MS290.4LN
Handle type Bike handle Loop handle
Dimensions: length x width x height (without cutting tool) 1,789 mm x 661 mm
x 525 mm
1,789 mm x 393 mm
x 332 mm
1,789 mm x 252 mm
x 339 mm
Net weight (without fuel, cutting attachment and harness) 5.7 kg 5.2 kg
Volume (fuel tank) 0.6 L
(oil tank) 0.08 L
Engine type Air cooled, 4-stroke, single cylinder
Engine displacement 29.0 cm
3
Maximum engine performance 0.95 kW at 8,000 min
-1
Engine speed at recommended max. spindle speed 10,000 min
-1
Maximum spindle speed (corresponding) 7,400 min
-1
Idling speed 3,300 min
-1
Clutch engagement speed 4,300 min
-1
Carburetor Diaphragm type
Spark plug NGK CMR6H
Electrode gap 0.7 - 0.8 mm
Fuel Automobile gasoline (petrol)
Engine Oil API grade SF class or higher, SAE 10W-30 oil
(automobile 4-stroke engine oil)
Cutting diameter Metal blade 255 mm -
Nylon cutting head 450 mm
Gear ratio 1.36:1
• Duetoourcontinuingprogramofresearchanddevelopment,thespecicationshereinaresubjecttochange
without notice.
• Specicationsmaydifferfromcountrytocountry.
Noise
ThetypicalA-weightednoiseleveldeterminedaccordingtoISO22868:
Model Type Sound pressure level average Sound power level average
L
PA eq
(dB (A)) Uncertainty K
(dB (A))
L
WA eq
(dB (A)) Uncertainty K
(dB (A))
MS290.4U Nylon cutting head 94.9 1.4 108.2 1.6
Metal blade (2-tooth) 95.5 2.3 105.4 2.2
MS290.4L Nylon cutting head 94.9 1.4 108.2 1.6
Metal blade (2-tooth) 95.5 2.3 105.4 2.2
MS290.4LN Nylon cutting head 91.9 1.0 106.3 0.6
WARNING: Wear ear protection.