MASSEY.FERGUSON
GROUP O-SECTION
V-PART
7 TROUBLE SHOOT'NG
Air forv obstmcted.
Remove any obstmctions
from air passages
in
shrorrds.
Cooling
fins clogged.
I
Clean
cooling fins.
Excessive
load on engine.
I
Check operation of associated equipment.
Reduce
excessive
load.
Carbon
in
combustion
chamber.
Lack of
lubrication.
Clean
carbon from head and
piston.
Fill crankcase
to proper level.
F. ENGINE SURGES
OR
RUNS UNEVENLY
Cause
Remedy
Fuel tank cap
vent
hole clogged.
Governor
parts sticking or
binding.
Carburetor throttle
linkage or throttle
shaft ancVor
butterfly binding or sticking.
Governor not properly adjusted.
Carburetor
not properly adjusted.
Open vent hole.
Clean,
and ifnecessary, repair
governor
parts.
Clean,
lubricate
or irdjust
linkage and deburr
throt-
tle shaft
or butterfly.
Adjust
governor.
Adjust carburetor.
G. ENGINE
VIBRATES
EXCESSIVELY
Cause
Remedy
Engine not securely mounted.
Bent
crankshaft.
Associated
equipment out
of balance.
Tighten mounting
bolts.
Replace crankshaft.
Check
associated equipment.
H. ENGINE USES
EXCESSIVE
AMOUNT OF OIL
Cause
Remedy
Engine
speed too fast.
Oil
level too high.
Oil
filler
cap
loose or
gasket
damaged,
causing spill-
age out ofbreather.
Breather mechanism
damaged or
dirty,
causing
leakage.
Drain hole in breather clogged,
causing
oil
to spill
out ofbreather.
Using
tachometer,
adjust engine
rpm to meet
specs.
Check
level
-
turn
dipstick
cap tightly
into re-
ceptacle for accurate reading.
Replace
ring
gasket
under cap and tighten cap
se-
curely.
Replace breather assembly.
Clean
hole to allow
oil
to return to crankcase.
Printed in U.S.A.
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