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92 – English
CARBURETTOR
1. If the throttle and choke valves, shafts,
lever arms and springs have been
dismantled these must be reassembled.
Lubricate the shaft bearings using a
light oil.
2. Fit the plugs (J). See page 91.
3. Fit the high and low jet screws and
springs. NOTE! Do not tighten the
screws against the seats. This can
damage the seats and needle tips.
4. Fit the fuel screen (D) by using the
handle of a small screwdriver.
5. Fit the pump diaphragm (G), gasket
(F) and cover (E) on the pump unit.
6. Fit the needle valve (C) with lever arm,
shaft and spring and tighten screw (H).
7. Check, using or a ruler or the like, that
the lever arm is level with the chamber
floor. See the figure to the lower right.
The lever arm can be bent if necessary
to achieve the correct settings.
8. Fit the control diaphragm (B) with
gasket and cover (A) on the metering
unit.
9. Carry out a pressure test.
See page 100
.
Tillotson HS 228 B
Maintain a high level of cleanliness when
reassembling the carburettor. Even small
particles of dirt can cause operating
problems.
A
B
H
E
F
G
J
C
D
Eng, p 83-124 96-09-13, 11.1092