Alfa Romeo 33 Workshop Manual page 88

(2) Set the camshaft in rest position
(no ca" engaged; valves closed).
shaft sipport on the cylinder ,block,
and ~ifis&the appropriat'e
18.
l
(1) Fit~ camshaft drive pulleys and
torque being caeeful, at the same time,
to stbp~ ptlley rotation by tieans of
Camshaft pulley retaining
83 + 70
(6.4 + 7.1
(2) Vdrify that the crankshaft's anqu-
lar $ositiM co'rresponds to the Top
notch ;'T" on flywheel and rear caver
(3)
w i s e (,seen from rear side) by 45O in
order io tiove piston of cylinder No. 2
i n g again? piston during c a m s h a f t
(4) ,Pysifion the left camshaft
the topth and the two adjacent milled
rear gIuard 0,
ENGINE MAIN MECHANICAL U~NIT
gasket.
Timing belt rear qover
2 Left timing pulley
(5) Realign notch "T" on flywheel ~
with the fixed reference mark (piston
of cylinder No. 1 'at T.D.C. in the ,ex-
plosion stroke) and, keeping shafts in
this position, fit the left timihg belt cinto
pulleys.
The belt shall be fitted with its drag-
ging side, opposed to straighteners,
under tension.
(6) Loosen the nut securing the belt
straightener
spring load on the belt.
(7) Rotate the crankshati 45O to move
piston of cylinder No. 1 backwards#so
as to prevent valves striking against
piston itself when positioning the cam-
shaft.
(6) Position the right-hand camshaft
that the toot,h and the two adjacent
SO
milled grooves of right-hand tiniing
pulley are visiblesthrough the appropri-
the crankshaft back in the position, in-
dicated in Step (2) and fit the timing
belt onto pulleys.
CAUTION:
Pulley tends to rotate with respect
to correct position sincb camshaft
interacts With the intake &lve of
cylinder No. 3. For thisreason, use
that
SO
appropriate wrench A.5.0195 in ord-
er to keep the pulley in the--correct
position for belt installatic@.
2
that it cari exert~the
SO
1 Timing belt rear guard
2 Right-hand timing pulley
(9) Verify that distance "S" between
timing belt and contour of engine front
support is not less than the minimum
value prescribed.
Minimum distance "S" between
timing belt and engine front
support:
9 mm
(11) Rotate crankshaft in jhe function-
as to permit belts to
SO
assume their final position.
(12) Rqtate crankshaft until piston of
cylinder No. 1 'is at its T.D.C. in the ex-
plosion stroke. (Notch "T" on flywheel
notch v on flywheel is aligned with the
in rest position, no cam engaged).