18
3
Fuel system
531 03 06-23
Pressure test the metering unit.
Connect pressure tester 531 03 06-23
to the fuel hose nipple.
Lower the carburettor in a vessel with
petrol in order to discover any leaks
more easily.
Test the pressure at 50 kPa.
No leakage is permitted.
Check the needle valve and the lever
arm for damage or wear.
Replace damaged components with
new ones.
Check the needle valve for damage on
the tip and in the lever arm groove.
Check the lever arm for damage to the
groove for the needle valve and wear
on the mounting points towards the
control diaphragm.
Replace damaged components with
new ones.
In the event of leakage – remove the
needle valve.
In the event of leakage – remove the
needle valve.
Loosen the bolt and remove the lever
arm, axle, needle valve and spring.
Summary of Contents for 333R
Page 1: ...Workshop manual 333R 335R English ...
Page 2: ......
Page 36: ...34 4 Centrifugal clutch ...
Page 40: ...38 5 Angle gear ...
Page 50: ...48 6 Cylinder and piston ...
Page 60: ......
Page 61: ......
Page 62: ...2005W23 115 00 92 26 ...