Fuel System - Husqvarna K 1260 Workshop Manual

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FUEL SYSTEM

Fuel filter
Dismantle the filler cap.
Catch the fuel hose with the
help of tool 502 50 83-01.
502 50 83-01
Pull out the fuel filter. Check
that the filter is not cracked or
in any other way defective.
Fouled filters are replaced with
new ones.
Leakage testing
Pressure tester
Use the pressure tester 501 56
27-01 to test the tightness of the
fuel system.
501 56 27-01
pressure tester with a short hose.
Pump up the pressure to
approximately 7 psi/50 kPa.
Move to the next test if the
pressure drops.
Connect the adapter to the
Fuel filter
Dismantle the filler cap and pull out the
section holding the filler cap in position
when fuelling.
Catch the fuel hose with the help of tool
502 50 83-01.
Pull out the fuel filter. Slide back the
metal weight and pull off the hose.
Check that the filter is not cracked or
in any other way defective. Fouled filters
must not be cleaned but replaced with a
new one.
If the filter is heavily fouled, this may be
due to the machine being filled with a
contaminated fuel. Drain the fuel and
filter when refilling.
Leakage testing
Pressure tester 501 56 27-01
Use the pressure tester 501 56 27-01 to
test the tightness of the fuel system.
The pressure tester is supplied with an
adapter for small hose sizes, this should
be used on the fuel hose. Make the hose
between the adapter and the pressure
tester as short as possible.
Pump up the pressure to approxi mately
7 psi/50 kPa. A falling pres sure indicates
that the fuel hose leaks, the connection
to the carburettor leaks or the carburet -
tor is defective.