Sachs SA 280A - Page 32

Tillotson diaphragm carburettor
Fi>J. 48
1 Hose nippl e
2 Fuel
pump body
3 Fuel pump diaphragm
3 A I nl et valve on pump
di aphragm
3 B Outlet valv e on pump
diaphragm
4 Fu el pump gasket
5 D ia phragm housing gaske t
6
Control chamber
7 Adjusting sc rew for idling jet
8
Impul se passage
9 I dling jet orif ice
30
l OA I dling outlet passag e
10 B
By -p ass passage
11 Butte rfly valve
12 Main jet orific e
13 Carburellor housing
14
Throat of ca rbur e ttor (ve nturi)
15 Main fuel ou tl et
16 Choke
17 Fuel passage from pump
to co nt rol chamber
18 Inl et n eedle and seat
18 A
Copper seal
19 Adjusting sc rew lor main jet
F& S I. lO l !:ol
20
21
Inl et co mpr ess ion spring
In l et control l ever
22 Pivot p in
23 Ve nt ho le
24 Diaphragm hous in g
25 Diaphragm
26 Air c hamb er
27 Filter gasket
28 Fuel st rain er
29 F ilt er h ousing screw
30 Fuel cham ber
31
32
Pulsation cha mb er
Fuel fi lt er hous in g
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