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ID
19
OPERATION
NO.
ID
100-3
:
To ozwhau~
the engine
Op.
ID
100-3
41
24
Spring
Characteristics
Outer
spring
Inner
spring
Length
in
mm
Load
in kg
Length
in mm
Load
in
kg
Calibration
. . . .
37
24.2
-f 1.350
Calibration.
. . .
24.5
5.250
f 0.300
Calibration
. . . .
28.5
52
+ 2.800
Calibration.
. . .
16
11
* 0.600
d
Fit
the
valves
(spring
compressor
1614-T
and
support
and
base
assembly
1616-T,
see
Pl.
5).
Oil
valve
stems
and
the
face.
Put
the
valves
in
position.
Fit
a sealing
ring
(30)
on
the
inlet
valve
stems
only
(see
Pl.
3,
fig.
2).
For
each
valve
fit
(see
fig.
3)
:
One
thrust
washer
(3)
for
the
outer
spring.
One
shouldered
thrust
washer
(32)
for
the
inner
spring.
Fit
the
inlet
valve
springs.
Make
sure
that
the
split
totters
retaining
the
cap
are
properly
seated.
Fit
the
exhaust
valve
springs;
fit
the
spring
thrust
cap,
the
split
cotter
locating
cup
and
the
split
cotter
. . . . . . . . . . . .
NOTE
- A sealing
ring
must
not
be
fitted
on
the
exhaust
valves
since
when
working
the
valve
will
rotate
and
destroy
the
ring.
h)
Remove
the
filter
on
the
cylinder
head
cover.
Wash
the
filter
element
in
petrol.
Blow
with
a jet
of
compressed
air
and
then
dip
into
engine
oil.
Replace
filter.
To
refit
oil
pump
(see
Pl.
10)
:
a)
Fit
the
bush
(27)
into
the
support
tube
(22)
in
a press.
b)
Insert
the
idler
pinion
spindle
(23),
in
a press,
mount
the
idler
pinion
(16)
making
sure
that
it turns
freely.
Place
the
fixed
pinion
(19)
in
the
pump
body
and
with
a gauge
and
straight
edge
resting
on
the
bearing
face
at
the
bottom
of
the
pump,
measure
the
pinion
clearance.
This
clearance
must
not
exceed
0. 05
mm.
Take
out
pinions.
c)
Fit
the
support
tube
(22).
Fit
the
fixed
pinion
(19)
on
the
shaft
(key
and
split
ring
(20)
in
position).
Insert
the
shaft
(18)
in
the
body
of the
pump.
Fit
support
tube
set
screw
(21).
Tighten
the
nuts
to
18 ft.lbs
(2.5
m.kg),
fit
split
pins
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
d)
Grease
the
entry
side
of the
bore
of
the
driving
pinion
and
fit
it
on the
shaft,
in
a press.
During
this
operation,
the
shaft
should
be
supported
on
a cylindrical
block.
The
pinion
should
not
take
any
of
the
strain
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
When
pinion
(17)
is
on
spindle,
an
end
float
of
between
0.3
and
0.1
mm
must
be
left.
If the
pinion
is pushed
down
too
far,
hold
the
pinion
in
the
hand
and
with
the
aid
of
a copper
rod
and
hammer
gently
tap
shaft
until
the
pinion
is
in
the
correct
position.
TOOLS
Spring
compressor
1614-T
Support
and
base
assembly
1616-T
14 mm
box
spanner
Block
12 mm
diameter
x 10 mm
long
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