Operating The Engine - International Harvester Company 72 Operator's Manual

Cub cadet international
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OPERATING THE ENGINE
STARTING THE ENGINE
Be sure
the
fuel
shut-off
valve
is open.
control
button
all the
way
in.
Do not use
the
choke
to enrich
the
fuel
mixture,
except
when
necessary
to start
the engine.
Manual Starting '(Tractors
without electric
storting):
Raise
the tractor
hood.
The
retractable
starter
is mounted
on a support
plate
at the
front
of the
engin~
at the
right
side
of the
tr actor.
2. Pull the choke control
button
all the way
out (see Illust.4or5}.
More
or less choking
may be
necessary
due to variations
in temperature,
grade
of fuel,
etc.
Little
or none will
be
needed
when the engine is warm.
Put the gearshift
lever
in the neutral
posi-
tion and lock the brake.
Turn the key ignition
switch
clockwise.
Give a quick
steady pull on the retractable
starter
handle
to start the engine.
Do not jerk,
or pull it out to its very
end in a rough manner.
A steady pull will
accomplish
just as much.
Always
pull the handle
so the cord is in a
straight
line through
the guide.
Maintain
your
hold on the handle
and allow the cord to returl}
slowly.
Releasing
the handle
when the cable is
extended
will
shorten
the life of the starter.
3. Place
the throttle
lever
halfway
between
"SLOW"
and "FAST".
See Illust. 4 or 5.
4. Electric Starting: The engine
cannot be
started
unless
the brake
pedal is pressed
all
the way down to activate
the safety
starting
switch.
International Cub Cadet 72, 104, and 1'24 Tractors:
Check to see that the gearshift
lever
is in the
neutral
position.
See Illust. 4.
International Cub Cadet 105 and 125 Tractors:
Check to see that the speed control
lever
is in
th
"
N
"
o
t
O
S
e
pOSI Ions.
ee Illust. 6.
5. After the engine starts,
slowly release
the clutch pedal and gradually
push the choke
control button all the way in. Do not use the
choke to enrich the fuel mixture,
except when
necessary to start the engine.
STOPPING THE ENGINE
All Models: Turn the ignition
key clockwise
to the "START"
position
and release
it as soon
as the engine
starts;
however
do not operate
the
motor-generator
for more
than 30 seconds
at
anyone
time.
If the engine
does not start
within
this
time,
turn the key "OFF"
and wait a few
minutes,
then try
again.
Move the throttle
lever
to the "SLOW"
po-
sition
and allow the engine to idle
for a short
time
before
stopping.
Then turn the key to the
"OFF"
position.
5. After
the engine
starts,
slowly
release
the brake
pedal and gradually
push the choke
FUEL SHUT.OFF VALVE
FUEL SYSTEM
Be sure the shut-off
valve
on the fuel
strainer
under
the gasoline
tank is open.
Screw
out the needle
stem (Shut-off
valve)
un-
til the seat on the stem is tight
against
the
stop,
to prevent
leakage
or seepage when the
valve is in its full-open
position.
Fill
the
fuel
tank
with
clean,
fresh,
regular
grade
gasoline,
preferably
at the
end of each
day's
use.
This
will
force
out any moisture-
laden
air
and prevent
condensation
in the
fuel
tank.
Do not mix oil with the gasoline.
CLEANING THE FUEL STRAINER AND SEDIMENT BOWL
The fuel tank filler
cap has an ai.r vent.
Keep the vent open at all times
to assure
proper
flow of the fuel.
After every 25 hours of operation,
clean
the fuel strainer
as follows:
Caution!
Never
remove
the fuel tank cap
or fill
the fuel tank when the engine
is running,
is hot,
or when near an open flame.
Do not
smoke
when working
around
inflammable
fuel,
as the air around
the tractor
is mixed
with a
highly
explosive
vapor.
When pouring
fuel,
keep the container
or hose nozzle
in contact
with the metal
of the fuel tank to avoid
the
possibility
of an electric
spark
igniting
the
ga s. Do not spill
ga s oline
on a hot engine.
1. Close the shut-off
valve.
See Illusts. 9 and 9A.
Loosen the knurled
nut under the sediment
bowl and remove
the bowl and screen.
2. Clean the sediment bowl and screen.
3. When reassembling,
be sure the gasket
between
the bowl and the main body is in good
condition
and does not leak.
Use a new gasket
if necessary.
8

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