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Add gasoline, Purge transmission, To start engine (see fig. 9) – Sears 917.25271 User Manual

Page 14: Operation

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OPERATION

ADD GASOLINE

• Fill fuel tank. Use fresh, clean, regular unleaded

gasoline. (Use of leaded gasoline will increase carbon
and lead oxide deposits and reduce valve life).

IMPORTANT:

WHEN

OPERATING

IN

TEMPERATURES

BELOW 32“F(0‘’C), USE FRESH, CLEAN WINTER GRADE
GASOLINE

TO

HELP

INSURE

GOOD

COLD

WEATHER

STARTING.

WARNING;

Experience indicates that alcohol blended

fuels (called gasohol or using ethanol or methanol) can
attract moisture which leads to separation and formation of
acids during storage. Acidic gas can damage the fuel

system of an engine while in storage. To avoid engine
problems, the fuel system should be emptied before stor­

age of 30 days or longer. Drain the gas tank, start the
engine and let it run until the fuel lines and carburetor are
empty. Use fresh fuel next season. See Storage Instruc­

tions for additional information. Never use engine or
carburetor cleaner products in the fuel tank or permanent
damage may occur.

PURGE TRANSMISSION

A

CAUTION: Fill to bottom of gas tank

filler neck. Do not overfill. Wipe off any
spilled oil or fuel. Do not store, spill or
use gasoline near an open flame.

TO START ENGINE (See Fig. 9)

When starting engine for the first time or if engine has run
out of fuel, it will take extra cranking time to move fuel from

the tank to the engine.

Depress clutch/brake pedal and set parking brake.

Place motion control lever in neutral (N) position.

Move attachment clutch to “DISENGAGED” position.

Pull choke control out to choke (|\|) position for cold

engine start. For warm engine start do not use choke
control.

Move throttle control to midway between fast (4») and

slow (•<») positions.

Insert key into ignition and turn key clockwise to “START’

position and release key as soon as engine starts. Do
not run starter continuously for more than fifteen

seconds per minute. If engine does not start after
several attempts, move throttle control to fast (4>)
position, wait a few minutes and try again.

When engine starts, slowly push choke control in.

Move throttle control to fast (4») position.

Allow engine to warm up for a few minutes before

engaging drive or attachments.

IMPORTANT:

COLD

STARTING

FOR

HYDRO

(BELOW

40“F)

-

AFTER

STARTING

ENGINE

AND

BEFORE

DRIVING, LET TRANSMISSION WARM UP FOR ONE (1)
MINUTE

BY

PLACING

MOTION

CONTROL

LEVER

IN

NEUTRAL

(N)

POSITION

AND

RELEASING

CLUTCH/

BRAKE PEDAL.

NOTE:

If at a high altitude (above 3000 feet) or in cold

temperatures (below 32°F), the carburetor fuel mixture
may need to be adjusted for best engine performance. See
‘TO ADJUST CARBURETOR” in the Service and Adjust­
ments section of this manual.

A

CAUTION: Never engage or disengage

freewheel lever while the engine is run­

ning.

To ensure proper operation and performance, it is recom­

mended that the transmission be purged before operating

tractor for the first time. This procedure will remove any
trapped air inside the transmission which may have devel­
oped during shipping of your tractor.

IMPORTANT:

SHOULD

YOUR

TRANSMISSION

REQUIRE

REMOVAL

FOR

SERVICE

OR

REPLACEMENT,

IT

SHOULD

BE

PURGED

AFTER

REINSTALLATION

BEFORE OPERATING THE TRACTOR.

Place tractor safely on level surface with engine off and

parking brake set.

Disengage transmission by placing freewheel control

in freewheeling position (See ‘TO TRANSPORT’ in

this section of manual).

Sitting in the tractor seat, start engine. After the engine
is running, move throttle control to slow (*«^) position.

With motion control lever in neutral (N) position, slowly
disengage clutch/brake pedal.

Move motion control lever to full forward position and

hold for five

(5)

seconds. Move lever to full reverse

position and hold for five

(5)

seconds. Repeat this

procedure three (3) times.

NOTE:

During this procedure there will be no movement of

drive wheels. The air is being removed from hydraulic drive
system.

Move motion control leverto neutral (N) position. Shut­

off engine and set parking brake.

Engage transmission by placing freewheel control in

driving position (See ‘TO TRANSPORT’ in this section
of manual).

Sitting in the tractor seat, start engine. Afterthe engine

is running, move throttle control to half (1/2) speed.

With motion control lever in neutral (N) position, slowly
disengage clutch/brake pedal.

Slowly move motion control lever forward, after the

tractor moves approximately five

(5)

feet, slowly move

motion control lever to reverse position. After the

tractor moves approximately five

(5)

feet return the

motion control lever to the neutral (N) position. Repeat

this procedure with the motion control lever three (3)
times.

Your tractor is now purged and now ready for normal

operation.

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