Cleaning Of Air Filter; Check And Greasing Of Carburetor Control; Replacing Of Float Valve; Check / Replacement Of Carburetor Diaphragm - LIMBACH L 2000 EA Operating And Maintenance Manual

8.2

Cleaning of Air Filter

Remove induction air filter.
Clean air filter.
Replace dry air filter (cloth filter).
Wash oil-wetted air filter (wire screen) in gasoline, clean it off by using compressed air
and wet with oil.
Special filters are to be cleaned according to the aircraft manufacturer's instructions.
8.3

Check and greasing of Carburetor control

Check pushrods and joints.
Ball socket seats must not be worn out.
Lubricate joints with engine oil.
8.4

Replacing of Float Valve

Remove carburetor.
Remove fuel bowl.
Remove float and needle valve.
Check float position.
Use new seals for reassembly.
8.5

Check / replacement of Carburetor Diaphragm

Unscrew and demount piston damper.
Dismounting of carburetor diaphragm.
Remove carburetor cover.
Take out compression spring and diaphragm with piston.
Check of carburetor diaphragm.
Check carburetor diaphragm for cracks and extensions and replace, if necessary.
Replacement of carburetor diaphragm.
Remove mounting bolts from piston and demount diaphragm with clamping ring.
Attach new diaphragm to piston so that the cam at the inner edge of the diaphragm will
engage to the respective slot of the piston.
Attach clamping ring and fasten with bolts.
Installation of piston with diaphragm.
Insert piston into carburetor so that the cam at the outer edge of the diaphragm will engage
to the respective slot of the carburetor housing. Attach carburetor cover and fasten
with bolts.
Installation of piston damper.
Check oil level in the piston guide and correct as necessary.
Tighten piston damper manually.
Edition: 01.03.2016
Operating Manual L 2000
Page: 29/48