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AMAL CARBURETTER.
82. DISMANTLING OF THE
CARBURETTER.
Shewing
air valve and
throttle closed.
II III
FiR. 19
A. Mixture Chamber.
O. Needle Jet.
B. Throttle Valve.
P. Main Jet.
C. Jet Needle and Clip.
Q- Float Chamber
D. Air Valve.
Holding Bolt.
E. Mixing Chamber
R. Float Chamber.
Union Nut.
S.
Needle Seating.
F. Jet Block.
T.
Float.
G. Cable Adjusters.
U. Float Needle.
H. Jet Block Barrel.
V. Float Spring Clip.
J- Pilot Jet.
W. Float Chamber
K. Passage to Pilot.
Cover.
L. Pilot Air Passage.
X. Float Chamber
M. Pilot Outlet.
Lock Screw.
N. Pilot By-pass.
Y. Tickler.
Remove the carburetter.
Remove the slides and needle. The slides
and needle can be examined without remov
ing the cables.
The throttle slide is the one that is drum
shaped and has the jet needle attached to
it.
To remove the throttle slide from the
cable, compress the spring, allowing the
nipple on the end of the cable to leave the
hole in which it is fitted, and on releasing
the spring allow the nipple to pass through
the larger hole, and the slide is free from
the cable.
To remove the air slide, compress spring
as before and release nipple from the end
of the slide, and the slide is fre-..
To remove the needle from the throttle
slide, remove the spring clip at the top of
the slide. The needle is normally fitted into
the middle notch.
The lower the needle the weaker the
mixture.
Remove the float chamber. It is held by
a bolt at the base of the mixing chamber.
There are two fibre washers on this bolt,
one under the head and one between the
float and mixing chambers.
To remove the float and needle.
Release the float chamber cap locking
screw and remove the cap.
Compress the spring clip on the top of
the float and lift float from the chamber.
Remove the bolt at the base of the float
chamber, and the needle will fall out.
On the bolt at the base of the float
chamber two fibre washers are fitted in the
same order as on the bolt at the base of the
mixing chamber.
PILOT AIR ADJUSTER SCREW
STOP ft EASY STARTEP
REMOVE TO EXPOSE JET
VIEW OF CARBURETTER.
Fig. 20.
34