13
5.4.3 Replacing the blades
IMPORTANT Blades must be replaced by your
Dealer.
Blades bearing the code indicated on the chart
on page 2 should be used on this machine.
Given product evolution, the above mentioned
blades may be replaced in time with others hav
-
ing similar interchangeable and operating safety
features.
6. DIAGNOSTICS
What to do when ...
Source of problem
Corrective action
1. The machine will not start or will not keep running
Incorrect starting
procedure
Follow the instructions
(see chapter 2)
Dirty spark plug or incor
-
rect distance between the
electrodes
Check the spark plug
(see chapter 4)
Air filter clogged
Clean and/or replace the
filter (see chapter 4)
Carburation problems
Contact your Dealer
2. The machine starts but is lacking in power
Air filter clogged
Clean and/or replace the
filter (see chapter 4)
Carburation problems
Contact your Dealer
3. The machine runs irregularly
and lacks in power when revved
Dirty spark plug
or incorrect distance
between the electrodes
Check the spark plug
(see chapter 4)
Carburation problems
Contact your Dealer
4. The machine makes too much smoke
Incorrect composition of
the fuel mixture
Prepare the fuel mixture
according to the instruc-
tions (see chap. 1)
Carburation problems
Contact your Dealer
5. The blades heat up and give off smoke
Overheating due to poor
regulation
Contact your Dealer
6. The blades move with the engine idling
Incorrect carburation
regulation
Contact your Dealer