Float System - Robin America EH12-2, EH17-2, EH25-2 Service Manual

8-2-4 MAIN SYSTEM
(1) Remove the bolt(l2)and take out float chamber body(l3).
B
(2) From the body (14) remove the main nozzle
(15), and then remove the main jet (16) and guide holder
(17) from the main nozzle (15).
(3) Reassembly
a)Fasten the main jet securely to the body. Otherwise, the fuel may become too rich and cause engine
b)The bolt tightening torque is 70kg-cm. Be sure to set the gasket (19) and washer (18) for chamber
malfunction.
(13).
8-2-5 FLOAT SYSTEM
(1) Pull out the float pin (20) and remove the float (21) and then remove the clip (22) and needle valve
(23).
If the needle valve needs to be replaced, replace it with rubber needle.
When cleaning the jets, be sure to use compressed air to blow them clean.
Never use a drill or a wire because of possible damage of the orifice which will considerably affect
fuel
flow.
(2) When removing the needle valve and float, gently tap the reverse side using the rod more slender
than the float pin and remove, since the float pin is calked to the carburetor body.
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