Technical data
ENGINE MAIN MECHANICAL UNIT,
”
~
;’
!
(13) Loosen the nut of right-hand belt
straighten~er,,
then tighten it to the
prescribed torque,
CAUTIOk
~
,’
Dr$ing
~this
operation, do not press
the belt’straightener to prevent alter-
‘i’
ing the
~load,
envisaged for belt
straightener
~itself.
$
: Tightening, torque
Nut securing belt straightener
(on
cold
engine)
37
+B
46’N.m
(3.d
f
4.7 Kg.m)
‘1
(14)
Starting~
from the position cor-
~
responding to notch V on flywheel,
ro-
1’
tate the, crankshaft
one
complete revo-
~
lutton
in the counterclockwise direc-
tion
(seen
from rear
side)
until notch
V is realigned with the reference mark
~
(left-hand ca’mshaft in rest position; no
~ cam engaged).
(15) Repeat Step
(13)
for the left-hand
belt stnaightener.
(16) At the end of operations, recheck
’
‘,
the correspondence of timing refer-
ence
marks on pulleys with the
ap-
propriate holes on timing belts rear
guards
:and
with notch
“T”
on
flywheel,i aligned with the reference
mark. ~
fr0ceed~a.s
per
[Alfa]
up
to
Step
20 inciuded, then complete
reassem-
bly
oper&ng
as stated
below.
~
21.
Fit:
front plastic
covers
of timing
belts.
~
22.
Mo&t
pulley
@
on
pump
hub
and
tighkn
it with screws
0.
May 1988
’
1
Cooling
fluid
pump
pulley
2 Screws
23. Screw
onto
block,
pressure
switch to signal minimum
oil
press-
ure, tightening it to specified torque. ~
@J
: Tightening torque
Pressure switch
33
+
41
N.m
(3.4
i’
4.2 Kg.m)
24 Fit intake
manifold.
(1) If
you
previously removed it, fit
supplementary air solenoid valve on
right intake manifold.
‘,
(2)
Insert
intake manifolds
com$ete
with new gaskets on stud of two heads,
then fix them with associated nuts.
@
: Tightening torque
Nuts securing intake
manifolds
24 N-m
+ 2.4 Kg.m)
25. Fit the union, temperature
sen-
ders, thermal switch and thermostat!
(1) Fit union on
block,
tightening
scyews on intake manifolds.
@J
: Tightening torque
Union kecuiing screws
24
N.m
+
2.4 Kg.m)
(2) Fit water temperature senders
on intalte manifolds.
01-16
: Tightening torque
: . Water temperature sender
(for temperature gauge)
+
y:4
41
N.m
+ 4.2 Kg.m)
. Water temperature sender
(for injection CU). Max
torque
15N.m
(1.5 Kg.m)
(3) Fix thermal contact on right head,
tightening screwto specified torque.
8
.:
Tightening torque
Thermal contact screw on
‘~
right head
33
+ 41 N-m
(3:4
+ 4.2 Kg.m)
(4)
Connect
thermostat to right intake
manifold through sleeve, then fix ther-
mostat on engine
block.
,26.
Refit hoses of cooling system.
‘Mount
sleeve
@
connecting ther-
;mostat
@
to union
@
and sleeve
~0
which connects thermbstat
@
to
‘left
intake,
manifold
0;
tighten all
screws of isleeve screwing clamps.
/-o
2
1
Hose
2 Left intake manifold
3 Union
4
Hose
5 Thermostat
PA333500883300