Table of Contents
Advertisement
ID
19
7
Avoid turning
the cap on the pump body in order to position
the orifices (risk of damaging
the joints).
8
Before starting
the engine, it is necessary to jill the pump with @id
through the feed pipe.
5
OPERATION
No.
ID
39
1
- 3 : Overhauling
the suspension pump
Op.
ID
391-3
189
PARTICULAR
POINTS.
I
OVERHAULING
A SUSPENSION
PUMP
(Cars produced
before February
1960).
Dismantling
(see
Pl.
84).
Disconnect
the
roller
and
plunger
assembly.
Hold
the
pump
in
a vice,
tighten
moderately.
Remove
the
end
cap
(1).
Disconnect
the
valve
spring
(2),
the
valve
(3),
the
end
cap
seal
(4)
and
the
shim
(5)
. . . .
Remove
the
pump
from
the
vice.
Place
it vertically
on
a bronze
drift
inserted
in place
of
the
plunger.
Press
on
the
pump
body
and
hold
the
parts
in
the
upper
section
in
order
to
prevent
their
dispersion
when
the
cylinder
casing
is
removed
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Withdraw
the
piston
(8)
from
the
cylinder.
Remove
the
seal
(10)
from
the
groove
in the
cylinder.
Remove
the
spring
(11).
R emove
the
circlip
(12)
and
the
spring
cup
(13).
Clean
the
parts
in trichlorethylene
and
dry
them
in
a jet
of
compressed
air.
Assembly
(see
Pl.
84).
If the
seat
of
the
valve
is
only
lightly
scored,
grind
it
by
rubbing
it
on
abrasive
paper
No.
600
moistened
with
alcohol;
this
abrasive
paper
should
be placed
on
a surface
plate.
(It
is
advisable
to
renew
the
seat
(6)
in
all
cases).
Clean
with
alcohol
and
dry
in
a jet
of
compressed
air.
If the
valve
is
badly
scored
it must
be
renewed.
Check
the
seating
of
the
seal
(4)
on
the
seating
and
on the
body;
the
bearing
of the
seal
(7)
on
the
cylinder
and
the
bearing
of the
cylinder
seal
(10)
in
the
body..
There
should
not
by
any
scratches.
If
the
spring
(11)
is
found
to
be
broken,
it must
be
withdrawn
carefully
in
order
to
avoid
scratching
the
body.
IMPORTANT
NOTE
- If any
of the
following
parts
have
to
be
replaced:
end
cap
(l),
seat
(6),
cylinder
bracket
(9)
or
pump
body,
the
thickness
of the
shim
(5)
to
be placed
between
the
end
cap
and
the
body
must
be
determined.
This
is
done
as
follows
:-
To
determine
the
thickness
of the
shim
(5)
:
In the
body
of the
pump
fit
the
cylinder
bracket,
the
seating
(without
seal)
and
the
end
cap
(without
seal).
Keep
the
parts
in
position
by
pressing
on
the
end
cap.
With
feeler
gauges
measure
the
clearance
between
the
end
cap
and
the
body.
Measure
this
distance
at
three
different
points
and
take
the
average
of the
three
readings,
TOOLS
12 mm
box
spanner
Bronze
drift
dia.
= 20 mm
Length
= 100
mm
- Quick Links:
- Electrical
- Starter Motor
Hide quick links:
Advertisement
Table of Contents
