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14
EN
TROUBLESHOOTING / TECHNICAL SPECIFICATIONS
9. TROUBLESHOOTING
1) The engine will
not start or will not
keep running
2) The engine starts
but is lacking in
power
3) The engine runs
irregularly and lacks
in power when
revved
4) The engine gives
o an excessive
amount of smoke
Incorrect starting procedure
Dirty spark plug or incorrect
distance between the electrodes
Air lter clogged
Carburetion problems
Air lter clogged
– Carburetion problems
Dirty spark plug or incorrect
distance between the electrodes
– Carburetion problems
Incorrect composition
of the fuel mixture
Carburetion problems
Follow the instructions
(see chapter 6)
Check the spark plug
(see chapter 8)
Clean and/or replace the lter
(see chapter 8)
Contact your dealer
Clean and/or replace the lter
(see chapter 8)
Contact your dealer
Check the spark plug
(see chapter 8)
– Contact your dealer
Prepare the fuel mixture according
to the instructions (see chap. 5)
Contact your dealer
PROBLEM LIKELY CAUSE SOLUTION
Motor .................................. 2-stroke air-cooled
Capacity / Power
250 mod. ............................ 25,4 cm
3
/ 0.7 kW
320 mod. ............................ 32.6 cm
3
/ 0.9 kW
420 mod. .......................... 42.7 cm
3
/ 1.25 kW
Engine rotation speed at tick-over
250 mod. ......................................... 3000 rpm
320 mod. ......................................... 3000 rpm
420 mod. ......................................... 3000 rpm
Maximum engine rotation speed
250 mod. with 3-point blade ........... 9600 rpm
250 mod. with line cutter head ........ 8500 rpm
320 mod. with 3-point blade ........... 9800 rpm
320 mod. with line cutter head ........ 8600 rpm
420 mod. with 3-point blade ........... 9300 rpm
420 mod. with line cutter head ........ 8600 rpm
Maximum tool rotation speed
250 mod. with 3-point blade ........... 7100 rpm
250 mod. with line cutter head ........ 6300 rpm
320 mod. with 3-point blade ........... 7200 rpm
320 mod. with line cutter head ........ 6400 rpm
420 mod. with 3-point blade ........... 6900 rpm
420 mod. with line cutter head ........ 6400 rpm
Spark plug ...... L8RTF / NHSP LD or equivalent
Mixture ........ Petrol : 2-stroke oil = 40:1 = 2.5%
Tank capacity
250 mod. ........................................... 680 cm
3
320 mod. ........................................... 900 cm
3
420 mod. ......................................... 1000 cm
3
Maximum permitted blade diameter
3-point blade .................................. Ø 255 mm
Weight
1)
“MONO” models .................. from 6.3 to 7.1 kg
“DUPLEX” models ............... from 6.6 to 7.7 kg
1)
Weight as per standard ISO 11806-1
(without fuel, cutting devices and harness)
10. TECHNICAL SPECIFICATIONS
20


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