Diagnostics - Stiga SBC 425 H Manuel D'utilisation

Dealer.
All and any operations performed in unauthor-
ised centres or by unqualified persons will totally
invalidate the warranty.
6.1 TUNING MINIMUM SPEED
WARNING! If the cutting device moves
when the engine is running idle, contact your
Dealer to correctly regulate the engine.
6.2 CARBURETTOR ADJUSTMENTS
The carburettor is tuned by the manufacturer to
achieve maximum performance in all situations,
with a minimum emission of toxic gas in compli-
ance with the regulations in force.
In the case of poor performance contact your
Dealer for a check of the carburation and engine.

7. DIAGNOSTICS

What to do when ...
Source of problem
1. The engine will not start or will not keep running
Incorrect starting
procedure
Dirty spark plug
or incorrect distance
between the electrodes
Air filter clogged
Carburation problems
2. The engine starts but is lacking in power
Air filter clogged
Carburation problems
3. The engine runs irregularly
and lacks in power when revved
Dirty spark plug
or incorrect distance
between the electrodes
Carburation problems
4. The engine makes too much smoke
Carburation problems
5. The cutting device must not move
when the engine is running idle
Incorrect carburation
regulation
Corrective action
Follow the instructions
(see chapter 3)
Check the spark plug
(see chapter 5)
Clean and/or replace
the filter (see chapter 5)
Contact your Dealer
Clean and/or replace
the filter (see chapter 5)
Contact your Dealer
Check the spark plug
(see chapter 5)
Contact your Dealer
Contact your Dealer
Contact your Dealer
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