Dismantling The Carburettor; Carburetor, Dismantling - Husqvarna 525L Workshop Manual

7.14 Dismantling the carburettor

Carefully remove the metering diaphragm (A) and
gasket (B).
Check the diaphragm for holes and wear on the pin
(C).
Replace the diaphragm if required.
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.
In the event of leakage – remove the needle valve.
Loosen the bolt and remove the lever arm, axle,
needle valve and spring.
Repair instructions
B
A
C
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