Intake Manifold; 4 Supply Manifold - Alfa Romeo 33 Workshop Manual

6. Disconnect depression tube 0.
7. Unscrew four fixing screws and re-
move throttte body @ and gasket
f r o m supply~,manifold @ .
The two upper screws fix braket @
(AIR INTAKE BOX).
2 By-pass tube to set idle rpm
3 Supplementary air feed tube
4 Servobrake depression tube fitting
5 G a s k e t s
6 Throttle body switch wiring
7 Cooling,system breather pipes
6 Sheath fixjng bracket of acceleratorcable
With reference to figure, operate as
follows:
FUEL SYSTEM
1 Cracket fixing accelerator table sheath
2 Throttle body
3 Depression tube

4 Supply manifold

9 Throttle body fixing screw to
manifold
10 Corrugated sleeve
11 Accelerator control table
12
13 Accelerator table sheath
14 Depression tube for ignition advance
pneumatic regulator
1. Remove air filter caver and air flow
Proceed to assembly operating in re-
verse order in respect to removal, fol-
lowing these instructions:
.
Fit a new gasket between throttle
body and intake manifold.
.
(see: Calibrations and Settings).
15 Throttle body
1 6 G a s k e t
17 Depression tube for fuel vapour cleaner
(for models with catalytic converter only)
18 Depression tube for fuel pressure
19 Engine lifting bracket
20 Nut fixing supply manifold
2. Rotate accelerator control lever and
unhook pawl at accelerator table end