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owners manual Alfa Romeo 33
owners manual Alfa Romeo 33 - year of production: 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995 - Alfa Romeo 33 owners manual EN
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from owners manual to the vehicle Alfa Romeo 33, year of production 1983 - 1995:
COMPLETE CAR
CHECKING AND ADJUSTING
3. Remove the small plasticcovet
IDLE-RPM AND CO%
located on the engine rear cover.CAUTION:
If during engine tune up there is no
extra cooling fan available, keep
Preliminary inspection: checking indicator pump and the
water temperature gauge on dash-
a. Clean or replace air cleaner.
board and immediately suspend
b. Inspect ignition system making
testing if temperature goes up,
sure following parts are in good
meaning that engine is overheating.
working condition: spark plugs,
cables, distributor cap, rotor
arm, (refer to: Group 05- Igni-
tion System). Check idle-rpm and overall CO% as
C. Check ignition timing. follows:
d. Check adjustment ofacceleratar 1. Insert CO-tester probe@ into
control (see: Group 04- Accel-
the tail pipe0.
erator Control). 2. Connect an electronic tachome-
ter to the engine.
1 Advance hose
2 Ignition timing check hole
4. Start the engine and warm itup
to normal
running temperature.
5. Using the stroboscopic flash
lamp, check if- with engine running
at g 900 r.p.m.- the mark on the
engine rear cover is in line with the
fixed advance notch on flywheel.
Fixed advance
8% 1”
6. Disconnect the vacuum advance
hose from distributor and verify that
when engine at 4500 r.p.m. the mark
on the engine rear cover is in line
with the max.
advance notch on
flywheel.
Max. advance
36”+ 1”
7. If specified alignment does not
take place, loosen the distributor
retaining bolt and rotate distributor
either clockwise to retard oranti-
clockwise to advance.
8. Tighten the distributor retaining
bolt and check fixed and max.
advance to make sure they are
within specified values.
9. Fit the small plastic cover back
onto engine rear cover.
10. Fit vacuum advance hose back
onto distributor.
If above described adjustment does
1 Tail pipe2 CO-tester probe
in correcting max.
not succeed
advance, overhaul or replace the
distributor.
May 1983 00-30
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year of production from: 1983
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Alfa Romeo 33 owners manual
pages 24 - 30
Alfa Romeo 33 owners manual
page 27 / 378
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