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VO LVO
103375
Fig. 2-87.
Fuel
pump,
dismantled
l. U pper pump housi ng
10. Rubber seal
2. Sealing washer
11. Lower pump housing
3.
Plug
with strainer
12.
Lever pin
4.
Inl
et va lve
13. Circlip
5. Stop arm
14. L
ever
6. Screw
15.
Spring
retain
er
7.
Diaphragm
16. Return sprin
g
8.
Spring
17.
Screw
9. Spring guide
\6
15
14
13
12
2.
Make line -up
marks on
the
upper section and
lower
section.
Scre
w loose
the
upper
part from
the lower part.
3.
Remove a
circl
ip (13)
f.rom
the lever
pin
12).
Press
out the pin. Pull
out the leve'r
(14)
and
the
spring
(16).
4. Remove the diaphragm with
spning (8),
guide
(9)
and rubber sea,1
(10).
Prise the
rubber sealover
the nylon washer and then remove the
spring.
5. Sorew loose the underside from the upper section,
remove the stop arm and the inlet valve (4). The
outlet valve cannot be removed.
Inspecting
Che,
c k the di,aphragm and gasket for leakage and
the moving parts for wear. Replace damaged or worn
parts.
YSSY?
Fig.
2·88.
Location of
inlet
valve
Assembling
l.
Fit the
inl
et va'lve, see Fig. 2-88, and the stop arm.
Tighten the screw, but
only
sufficiently so
that the
spring
lies weil aga,inst
the pump body.
2.
Fit the
spring (8) and g uide (9).
Prise on the
rubber
seal
(1
0 with the
flange
facing
inwards towards
t,he
guide.
3. Fit the
diaphragm
unit
in the upper
section
of
the pump.
Press
downwards so that
the
rubber
s·eal comes
into
its
correct position.
4.
Press
down
the diaphragm, move in the lever (14)
make
sure
that it locates
correctly
in re,lation
to
the
diaphragm rod. Fit the pin
(12), circlip (13),
spring reta iner 15)
and spri
ng
(16).
5. Fit
the upper
seotion
observing the line-up marks
and secure
it.
6. Fit the
strainer
and plug.
Test
the pump. When installing, make sure that the
lever locates
·
c orrectly
above ,its
'
c am.
VENTING FILTER
The
foam plastic
filter
(1,
Fig.
2-61) should be changed
every 40,000 km (25,000 miles). This is don e by slacken-
ing the bracket
screws,
lifting up the venting filter
and drawing out the foam plastic filter. Fitting is in
reverse order.
2:
39
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