2100
Fuelsystem V
Removalofcarlxwettor
Removecarburetor cover, pre-filter, air filter,
cylinder cover and fuel hose.
Remove the throttle push rod from the plastic le-
ver with a pair of flat hosepliers.
Fig 4:3
Drill a small hole in the welch plugs(aPProx. @2
mm) and priseaway the plugsby meansof a
pointed tool.
Fig 4:1
Loosenthe socket head screwsthat retain the carbu-
retor (usethe Allen key No. 502501 8-01).
Remove screws,air filter elbow and carburetor.
Clean the carburetor on the outside.
Fig 4:4
IVOTE!
Drill with care in order not to damage the carburetor
housing.
Fig 4:2
Remove the metering diaphragmcover and the me-
tering diaphragm.
Note that the centre pin of the diaphragmenters
the forked end of the lever of the needlevalve.
Connect the pressuregauge5025038-01 to the
fuel inlet of the carburetor and pump until a
pressureof 0.03 MPa (0.3 kp/cm2 ) is reached.
Check for any leakageat the needlevalveor at the
gasketon the pump side.
The easiestway of locating leakagesisto pour
some petrol where you suspectthe leakagesto be.
Loosenthe screwthat retainsthe bearingshaft of
the lever and remove lever, shaft, springand needle
valve (seefig. 4:3).
Fig 4:5
Unscrewthe two adjustingneedles.Removethe
cover above the pump diaphragm and remove
diaphragmand gasket. Lift off the fuel screencare-
fully by meansof a pointed tool.
4:1
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
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