Datsun 1000 Workshop Manual page 11

disconnect the flexible hose
at
the slave
cylinder
and
plug
both the
hose
and
the
cylinder
connection to
prevent entry of
dirt
19
Take out the four
securing
bolts
and
remove
the
radiator
20
Using suitable lifting
tackle
attached
to
the lifting
brackets
on
the
engine tighten
the
lifting
gear
to
take the
weight of
the engine assembly
21 Remove
the
nuts securing
the
front
engine
mountings take
out
the
two
bolts
attaching
the
rear engine
mounting to
the
rear
extension
housing
take out the
two
Engine 5
bolts attaching the mounting bracket
to
the
underframe
and
remove
the
rear
mounting
assemble
22 Raise the
engine tilting
it
upwards
sharplv at
the
front and lift
it from the
car
through
the bonnet
opening
Installation is
a
reversal of
the
removal
procedure
with
attention
to
the
following points
AIl Ow
the
weight of the engine
to
settle
on
the front
engine mounting
before tightening
the
mounting
n1 1ts
Fill
the gearbox
with the
correct grade
and
quantity of
oil
frEnsure
that there
are no
water leaks
TO
REMOVE
AND DISMANTLE
1
ROCKER inMS
AND SHAFI
I
1
Remove the air cleaner and the
pipe
from the air
cleaner to
the
rocker
cover
2 Take out the
screws
and lift off the rocker
cover
and
remove
the
cork gasket
3 Unscrew the five rocker pedestal
bolts progressively
loosening
eacn bolt
a
few
turns at
a
time
until
they
are
all free
and
lift offthe rocker
assembly
4 Remove the bolts from the rocker
pedestals starting
at
the
rear
and
withdraw the
rear
pedestal rocker
arm
spring
rocker
arm
pedestal
in
that order noting
any
spacer washers
interposed
between
the
rocker
arms
and the
adjacent
pedestaL
NOTE Keep each component
in the order of
dismantling
so
that it
can
be assembled in the
original position
This is
important
as
the rocker
arms are
offset
with the
adjusting
screw
end towards the
adjacen t pedestal
TO ASSEMBLE AND INSTAL
1
Check each rocker
arm
and the
rocker shaft for
wear
Check that the oil
holes and passages
in
the rocker
arms
are
clean
and
free
of
any
sludge
or
scale
2 Position the
front rocker pedestal
on
the
front
end
of the
shaft and
insert the pedestal
bol
t
to
hold it in
position
3 Instal
a
spacer washer
if fitted
followed by
the
front rocker
ann
spring
rocker
ann
washer and the second
pedestal push
the pedestal
along
the
shaft compressing
the
spring
unttl the
pedestal
bolt
can
be inserted to hold the
assembly
in
position
t
V i
i
4 Continue to
reassemble
the
remaining components
i i
tilthe
rear
pedestal
has
been installed and retained
in
position by inserting
the
securing bolt
NOTE
If
the rocker
shaft
is
correctly
assembled
each rocker
arm
v f iu
be
offset
with the
adjuster
screw
end
of
the rocker
towards the
adjacent pedestal
5
Place
the rocker
assembly
on
the
cylinder
head
and
screw
the securing
bolts into the head until
they
are
finger
tight
Ensure that the
ball end of
each rocker
adjusting
screw
is seated
correctly
in the socket end ofits
push
rod
6
Using
a
suitable
spanner
tighten each
pedestal
securing
bolt progressively
a
few
turns
ach until the five
pedestals
are
seating securely
on
the
cytlnder
head
Use care
to
ensure
that the
centre
pedestal is
located
correctly
on
the
oil passage in the
cylinder
head
7 Tighten the rocker
pedestal securing
bolts
to
the
specified
torque
8
Check
the rocker
arm to
valve stem clearance and
adjust
if necessary
as
described in TO
ADJUST VALVE
CLEARANCE
9
Using
a new
gasket
place
the
rocker
cover on
the
cylinder head
with the
oil filler cap to the front instal the six
securing
screws
firmly
but
do
not
over
tighten
or
the
cover
flange
will
become distorted
10 Position
the air
cleaner
on
the carbureltor and
secure
with
clamp and wing nut Using
suitable
pliers to
expand
the
clips
connect
the
pipe
between the air
cleaner and
the rocker
cover
r
U
Rocker and Shaft Assembly
Note Offset of Rocker Screws
11