Subaru 1600 Service Manual page 129

All California models and - - -....
non-4WD of non-California models
2) Main System
Fig.
4-6
Fuel and air flow in main
system
FUEL SYSTEM
- - - - ---------j
To electronic • I
control module
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1
2
3
4
5
6
7
8
9
10
11
12
All Canada models and 4WD
of non-California models
(High-altitude configuration only)
Choke valve
13 Step hole
Economizer air bleed
14
Spacer
Primary slow air bleed
15 Idle mixture adj usting screw
Secondary slow air bleed
16 Spring pin
Slow control air passage
17 Secondary diaphragm
Anti-dieseling switch
18 Diaphragm chamber
Primary main jet 19
Air vent pipe
Secondary main jet 20
Control air cleaner
Primary slow jet
21
Slow duty solenoid valve
Secondary slow jet
22
Intake manifold
Idle nozzle
By-pass hole
A8-489
Fig. 4-5 Slow and step system
AIR
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All California models and non-4WD of non-California models
AS-490