MASSEY FERGUSON MF 14 - Page 94

MASSEY.FERGUSON
GROUP
O-SECTION
V-PART 10
FUEI SYSTEM
PROBLEM AND
CONDITIONS
CORRECTION
Carburetor
out of adjustrnent
Engine
will not start
Engine
*hunts"
Engine
will not accelerate
Engine will not idle
Lacks power at high speed
Carburetor
floods
Carburetor leaks
Engine
runs at
high
speed
Choke
does not open completely
P
erformance unsatisfactory aft er
being
serviced
Engine
staryes for fuel at
high speed
l-2-3-6
|
-2 -
4-5 4
-r2
-t
4-22
-23
-24
r-2-I2
r-2-t2
2-3-5-r2
L-2-I2-I4-L7
8-9-10-11-18-21
13-15-20
l7-19
t7-19
7-9-16-17-18-21
l4-8-9-12-14
POINTS TO CHECK
FOR
CARBURETOR
MALFUNCTION
l.
Adjust
high speed
adjushnent screw.
14.
Clean air cleaner-service
as
required.
2.
Adjust
idle adjustrnent
screw.
15.
Examine fuel line sealing
at
tank
and carburetor.
3.
Adjust
throttle
stop screw.
16.
Check sealing
of Welch, cup and ball
plugs.
4.
Adjust
choke
plate. 17.
Examine
throttle
and choke shafts and bearing
5.
Adjust throttle plate.
surfaces
for
excess
paint
or dirt-service as required.
6.
Adjust
control cable to assure full
choke.
18.
Check inlet seat for
proper
insertion.
7'
Clean carburetor.
19. Examine throttle
and choke
return springs
for
8.
Check inlet needle
and seat---clean.
operation.
9.
Adjustfoatsetting.
20.
Examine
..O',-rings
at
idle and high speed
adjust-
10.
Replace inlet needle
to float clip. ment
screws.
ll.
Float
hinge or axle worn, foat leaks, replace.
21.
Dirt
in
the fuel system.
12.
Initial adjustrnents.
Idle and high speed one turn
oo ,
off
seat.
Readjust after engine ."""h;;;;";;
22' checkignition'compression-fillwithfuel'
temperature.
23. Check
for
stale fuel, drain-fill with fresh fuel.
13.
Examine
and
replace
"O'-ring
and/or fuel drain
24.
Open fuel shut-off
valve at tank, check and
clean
valve seal.
fuel strainers.
Printed
in U.S.A.