Technical data
~
,’
l
ENG!NE
MAIN MECiiANICAL
UNIT’
;
‘,
8’
CHECKS AND INSPECTIONS
,l
These procedures are for electronic injection 1.7
engines
with CatalYtiC
CO~ve~or
CnlY
CYLINDER HEADS
cup is
free,
of any trace of sizing,
WARNING~
etching, or unusual wear.
,Procedures-described
for
(Alfa]
AND VALVES
2.
Check fhat the
cups
Upper
plane
are
stik
,valid(
except for what fol-
As per
(A-33)
except
on which cams work is free of unusual
‘lows.
~
wear.
,For
technfcal
data of 1.7 injection
engtne,
please refer to “Service
CUPS
Data and Specificattons”.
1. Check that outside surface of
18
ENGINE ASSEMBLi(
These
procedures
are for electronic injection 1.7
engines
vvith
catalytic
convertor
only
1’
WARNING
!,
~
Procedures
described for
IAlfa33)
’
L
~ are
still~
valid
‘but ‘for what stated
here
beloW,.
~
For technical data of 1.7 injection
engine, please refer to “Service
Data’
and
~Specifications”.
WARNIhGS
:.
1.
Lubricate,
‘with
ensine
oil
bear-
ings and
slipbing
surfaces before as-
sembly.’
~ ~
2.
Use new gaskets, seal rings and
lock
rings!.
3.
Scred’
sprews’ and
nuts
to speci-
fied tightening torque.
4.
Apply:
specified sealant to
com-
ponents,
likted
here below.
.
Oil sump, block side
Mastics
rclass:
3522-00040
DOvV
C,GRNING
Silastick 732
RTV ~
.
Watar tubes,.plugs, caps,
cylinder
heads and block.
Mast,ic class 3524-00011
Loctite 601
(green)
Before applying ‘sealants eliminate
any
possible trace of old sealants by
degreasing the surfaces.
CYLIN~I~R
HEAD
Operate
as
stated
per
c-33)
taking into
account
the
following:
-
Lubricate thoroughly
cups
@
before inserting them into
cam-
shaft support
@
seats.
-
On reassembly of camshaft sup-
port on head, make sure the cam-
shaft is in rest position (no cam
engaged; valves
closed).
-
Secure
camshaft support to head
with gasket
between
tightening
the four nuts in crosswise order
to the
temporay
torque specified.
$
: Temporarytightening, torque
Nuts securing camshaft sup-
ports to cylinder head
+
115
N:.
m
+
1.5 Kg.m)
-
Before fitting rear caver
onto
sup-
port, insert 0.10 + 0.15
I
engine
oil
into support’ itself.
1
Camshaft
2 Hydraulic tappets cup
Ol-,14
ENGINE, UNIT
As per
(Alfa]
but modifying the
mentioned
iteps.
l Step 15.
Install cylinder heads
(1) Turn crankshaft
till
the piston in
No.
1
cyltnder,
is
set!
at
Top’
Dead
Center in the explosion. stroke; this
correct positioning is further ensured
by
the
“T’“~
notch
@
on the flywheel
matching with the
reference
@
on the
rear caver
0.
1
‘7”
notch
2
Reference
3
Cylinder
block
rear
caver
PA333500883300