Husqvarna 241R Workshop Manual page 23

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22
Fuel system
Check that the carburettor is sealed.
No leakage is permitted at 50 kPa.
531 03 06-23
Attach the control diaphragm and cover.
Remove the screws which hold the heat
guard
502 50 19-01
Fit the jet needles and adjust their setting.
H = 1.2 revolution open
L = 1.2 revolution open
NOTE!
The H-needle is a little shorter than
the L-needle.
Press the stop plugs (A) into position
using tool 540 06 82-01. Check that the
O-ring is correctly seated and that the stop
plug's grooves fi t against the ball (B) in the
carburettor housing.
540 06 82-01
Connect pressure tester 531 03 06-23 to
the fuel intake on the carburettor.
Pump up the pressure to 50 kPa.
Lower the carburettor in a vessel with
petrol in order to discover any leaks more
easily.
No leakage is permitted.
Place the gasket on the carburettor
housing and then the control diaphragm.
Check that the air hole in the cover is
open and screw the cover on.
Remove the 4 screws which hold the heat
guard against the cylinder and pull the
guard off straight backwards.
NOTE!
Do not lose the brass sleeves fi tted
in the guard.