Sears 917.258552 Lawn Mower User Manual


 
O ERATION
7ro START ENGINE (See Fig. 9)
When starting the engine for the first time or if the engine
has run out of fuel, it will take extra cranking time to move
fuet from the tank to the engine.
, Be sure freewheet cdntrol is in the transmission em
gaged position.
Sit on seat in operating position_ depress clutch/brake
pedal and set parking brake.
o Place motion control lever in neutral (N) position.
o Move attachment c_utch to "DISENGAGED" position.
o Move throttle control to choke (i_,l) position.
[dote: Before starting, read the warm and cold starting
procedures below.
o 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 sec-
onds per minute, If the engine does not start after
several attempts, move throttle control to fast (,_)
position_ wait a few minutes and try again, tf engine still
does not start, move the throttle control back to the
choke (1\1)position and retry.
WARM WEATHER STARTING (50° F and above)
When engine starts, move the throttle controlto the fast
(@) position_
The attachments and ground drive can now be used, if
the engine does not accept the load, restart the engine
and allow it to warm up for one minute using the choke
as described above.
COLD WEATHER STARTING ( 50° F and below)
When engine starts, ailow engine to run with the throttle
control in the choke (fXI) position until the engine runs
roughly, then move throttle control to fast (,€_) position.
This may require an engine warrn-up period from
several seconds to several minutes, depending on the
temperature.
HYDROSTATIC TRANSMISSION WARM UP
Before driving the unit in cold weather, the transmis-
sion should be warmed up as follows:
Be sure the tractor is on leVel ground.
. Place the motion control lever in neutral.
Release the parking brake and let the clutch/brake
slowly return to operating position.
Allow one minute for transmission to warm up.
This can be done during the engine warm up
period.
The attachments canalso be used during the engine
warm-up period after the transmission has been warmed
up.
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 Adjustments
section of this manual,
PURGE TRANSMISSION
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 Jnside the transmission which may have devel-
oped during shipping of your tractol °.
IMPORTAN3"," SHOULD YOUR TRANSMISSION REQUIRE
REMOVAL FOR SERVICE OR REPLACEMENT, 1T
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 theengine
is running, move throttle controt to stow (,_i_) position.
With motion control lever in neutral (N) position, slowly
disengage clutch/brake pedal.
. Move motion control lever to rut! 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 isbeing removed from hydraulic drive
system.
Move motion controt lever to 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 manua!).
, Sitting in the tractor seat, start engine. After the 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 iever 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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