SR 5600
English
20
N Remove the main filter (3) from the
cover and inspect it – if it is dirty or
damaged, fit a new one.
Always install a new prefilter together
with the new main filter.
N Take the prefilter (4) out of the filter
cover.
N If prefilter is wet, dry it – then knock
it out on the palm of your hand or
blow it out with compressed air.
Always replace a damaged prefilter.
N Clean loose dirt from the filter cover
and filter chamber.
N Install the main filter (3) and
prefilter (4) in the filter cover.
N Fit the cover on the filter base (5)
and tighten it down firmly.
The carburetor comes from the factory
with a standard setting.
This setting provides an optimum fuel-air
mixture under most operating
conditions.
Standard Setting
N Shut off the engine.
N Check the air filter and clean or
replace if necessary.
N Carefully screw both adjusting
screws down onto their seats
(clockwise).
N Open the high speed screw (H) a
1/4 turn.
N Open the low speed screw (L) a 1/4
turn.
N Start and warm up the engine.
Adjusting Idle Speed
Engine stops while idling
N Turn the idle speed screw (LA)
slowly clockwise until the engine
runs smoothly.
Erratic idling behavior, engine stops
even though setting of LA screw has
been corrected, poor acceleration
Idle setting is too lean:
N Turn the low speed screw (L) slowly
counterclockwise until the engine
runs and accelerates smoothly.
Erratic idling behavior
Idle setting is too rich
N Turn the low speed screw (L)
clockwise until the engine runs and
accelerates smoothly.
It is usually necessary to change the
setting of the idle speed screw (LA) after
every correction to the low speed
screw (L).
Fine tuning for operation at high altitude
A slight correction of the setting may be
necessary if the engine does not run
satisfactorily:
Adjusting the Carburetor
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