MASSEY FERGUSON MF 14 - TRANSMISSION AND REAR AXLE

CARBURETOR REASSEMBLY
See Fig. 14.
1. lnstall
needle seat with
gasket.
lnstall
needle,
float
and float
pin.
2. lnvert
carburetor
and adjust
float level,
by bending
tang
on float,
until
an
11/64"
drill
bit
just
fits between
float and
gasket
surface
on
carburetor,
as
shown in
Fig. 15.
3. Remove float and needle
and
install
high
speed
needle screw
seat.
4. lnstall
new bowl
gaskets,
needle
and
f
loat.
5. lnstall
bowl and secure with retaining
nut
and
gasket.
6.
lnstall
high speed
mixture
screw.
Turn
in
until
needle
contacts seat then turn out 2
tu
rns.
7. lnstall idle
mixture
screw. Turn in
until
needle
contacts seat then
turn out
1-1/4
turns.
B.
lnstall
carburetor
on
engine
and adjust
as
outlined
under
the heading
"Carburetor
Ad-
justments".
Fig. 14
-
Carburetor
-
ldentification
ol Parls
FUEL
PUMP
The
fuel
pump
operates off a
cam
on the
camshaft.
A lever
transmits action
to
a dia-
phragm
within
the
pump
body.
Fig. 15
-
Ghecking Float Level
DISASSEMBLY AND
REASSEM
BLY
Refer to Fig. 16.
'1.
Remove
fuel
lines
and mounting
screws
holding
pump
to
engine.
2. With
a file,
make an
indicating
mark
across
a
point
at the
union
of fuel
pump
body
and cover. This is
a
positive
marking to assure
proper
reassembly.
Remove assembly
screws
and remove
cover.
3.
Turn
cover
over and remove valve
plate
screw
and washer.
Remove valve
retainer,
valves,
valve springs
and valve
gaskel,
noting
their
position.
Discard
valve springs,
valves and
valve retainer
gasket.
4.
Clean
fuel
head
thoroughly with solvent
and a fine wire
brush.
5. Holding
pump
cover
with
diaphragm
surface
up,
place
new valve
gasket
into
the
cavity.
Now
assemble the valve spring
and valves
into
the cavity
and reassemble
valve retainer
and
lock in
position
by inserting
and tightening
fuel
pump
valve
retainer screw.
6. Place
pump
cover
assembly in
a clean
place
and
rebuild the lower
diaphragm
section.
7. Holding
mounting bracket,
press
down
on
the
diaphragm to compress spring
under
it,
then turn bracket 90" to
unhook
diaphragm
so it
can be removed.
B. Clean
mounting bracket with
a
solvent
and a fine wire
brush.
9. Replace the
diaphragm operating
spring,
stand new spring
in casting,
position
diaphragm
and
press
down
on diaphragm to compress
spring
and turn
90'to reconnect diaphragm.
10.
Hold mounting
bracket, then
place
the
pump
cover
on it
(make
sure
that
indicating
marks are
in
line)
and
insert
the four screws.
DO NOT TIGHTEN.
With
the
hand
on the mount-
ing bracket
only,
push
the
pump
lever to the
limit
of
its
travel and hold in
this
position
while tighten-
ing
the
four
screws.
This is important
to
prevent
stretching
the
diaphragm.
11.
Mount the
fuel
pump
on engine, using
the new
mounting
gaskets.
Connect
the fuel
lines.
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