MASSEY FERGUSON MF 14 - Disassembly; Reassembly

2.
Connect
coil
wire,
electric clutch wire,
fuel line,
choke
cable
and throttle
cable
to
left
side
of
engine.
3.
Connect
starter
cable
and
reconnect
wires
to
regulator
rectifier.
4.
Connect
drive shaft
and screen
to fly-
wheel.
5. lnstall
hood
and
grille
assembly.
D
ISASSEM
BLY
1.
Remove
air cleaner
and carburetor.
2.
Remove
starter,
rotating
screen
and air
baff
les.
3.
Use a suitable
puller
and
remove fly-
wheel.
The
use of a
puller
is
recommended,
bumping
end of crankshaft
could
cause
damage.
4.
Remove
valve
cover
and breather.
5.
Remove
cylinder
head.
6.
Compress
valve springs
with a suitable
spring
compressor
and remove
keepers. Re-
move valves
and springs.
7.
Remove
oil base and
remove
connecting
rod cap.
8.
Clean
carbon
and/or ridge
from top of
cylinder
wall
and
remove
piston
and rod from
cylinder
block.
9. Turn
engine
upside down
on bench.
10.
Remove
bearing
plate
with
oil seal and
bearing
from
flywheel side
of engine. lt
may be
necessary
to
use a
puller.
11.
Remove
retaining
ring
and
remove bot-
tom
balance gear
and shim
washers.
Note
num-
ber
and location
of shim
washers
for
ease of
installation.
12.
Carefully
bump
crankshaft
on
pTO
end
and remove
from cylinder
block.
13.
Remove
retaining
ring
and
remove top
balance
gear
and shim
washers.
14.
Remove
the camshaft
pin
by
driving on
end of
pin
opposite
flywheel side.
After
the
pin
has
been
driven
approximately
1/2", it
can be
withdrawn
by hand.
Note
location
and amount of
shims
at
end
of camshaft
for
ease of
installa-
tion.
15.
Remove
camshaft
and valve lifters.
16.
Remove governor
arm f rom
governor
shaft.
17.
Unscrew governor
shaft
bushing
nut
and
remove
shaft
from inside
of cylinder
block.
'18.
Remove
long
screw
from cylinder
block
and slide governor
gear
off stub shaft.
REASSEM BLY
1.
lnspect
main bearings. lf
they
turn
easily
and noiselessly
and
show no
evidence of
scoring
on
the races, there is
no
reason
for removal.
lf
the
bearings
are
damaged, remove
old bearings
and
press
a new
one in
the cylinder
block and
one
in
the bearing
plate.
2. Turn
engine
upside down,
place
thrust
washer
on stub shaft
and slide
governor gear
into
place.
Secure in
place
with long
screw
through side
of block.
Screw
prevents
governor
from sliding
off
during reassembly.
3.
lnstall
governor
shaft
from inside
of
cyl-
inder
block
and secure
with
bushing nut.
Shaft
must not
bind or have
excessive
end-play.
End
clearance
can be corrected
by bumping bushing
in
or
out of cylinder
block.
4. lnsert
tappets into
their
bores. The tap-
pets
are i nterchangeable.
5.
Start
camshaft
pin
into
cylinder
block
(from
flywheel side)
and through
camshaft.
See
Fig.3. Tap lightly
on
pin
until
it
just
starts into
bore
at opposite
end.
Check
end-play of
cam-
shaft
with a
feeler
gauge.
Remove
the
pin
and
add
enough
shim
washers
(opposite
gear
end)
to
obtain .005"-.01
0"
end-play.
6.
Slip one
.010" spacer
on stub shaft
and
install
top balance gear
on shaft
(with
timing
marks out). Do
not install
the
bottom
gear
at this
time. lnstall
another
.010" spacer
with
one .020"
spacer
and secure
with
retainer
ring
next
to
thickest spacer.
Proper
gear
end-play is
.005"-
010", remove
or add spacers
to obtain.
t^
Fig.
3
-
lnstalling
Camshaft
-2-