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AND ADJUSTMENT
d,
Disconnect cables in reverse order:
1.
LH_ Side Panel Boll (Fig. 17)
2
Negative terminals of fully charged battery
3_ Positive terminals
A
I
DO NOT USE YOUR TRACTOR BAT-
I
TERY TO START OTHER VEHICLES.
I
CLUTCH BRAKE PEDAL
"BRAKE" FoSmON
LH.
SIDE
PANEL BOLT
PARKING
BRAKE
_"
"ENGAGED"
POSITION
(\
CLUTCH/BRAKE
PEDAL
'tCLUTCH"
POSITION
KING
BRAKE
\
,!_
/
CLUTCH/BRAKli
"DISENGAGED"
POSITION
*'DRIVE"
" _
POSITION
/P_
FIGURE ! 7
12. Throttle
Control Cable Adjustment
Never attempt to change maximum engine speed.
This is
preset at the factory and should only be changed by a
qualified
service
technician
who
has
the
necessary
equipment,
CAUTION:
BEFORE ANY ENGINE ADJUST-
MENT, MAKESUREAIR
CLEANER ISCLEAN
RemoveAir
Cleaner Assembly,
while making adjustments.
c,
With throttle control lever' in "FAST" positiorl, turn
high speed mixture screw counterclockwise
( /F-._)
until engine runs "rough"then turn clockwise (,,'--'_)
until engine begins to miss.
Tum screw to a point
midway between these positions.
d.
With throttle control lever in "SLOW"position,
hold
throttle lever so that idle stop screw is against carbu-
retor; turn idle mixture Screw counterclockwise
(r-,,)
until engine runs "rough" and then turn clockwise
until engine begins to die° Turn idle mixture screw
to a point midway between these positions.
e_ With throttle control lever in "SLOW"position, engine
should idle at 1750 RPM.
If engine idles too slow,
push throttle control lever above idle and turn idle
speed screw one turn clockwise (,F_),
Set throttle
control lever at "SLOV¢"
Repeat until satisfactory
idle is attained.
f,
If engine idles too fast with throttle control lever in
"SLOW" position push throttle control lever above
idle and turn idle speed screw one turn counterclock-
wise ( f-'_
). Set throttle control lever at "SLOW",
Repeat until satisfactory idle is attained,
IDLE
MIXTURE
IDLE
SCREW
THROTTLE
STOP
CAB
DO
NOT
ADJUST
HOLES
A
.
a,
With engine off, place
Throttle Control in "FAST"
position.
b.
Loosen
Clamp Screw (Fig. 18)_ Adjust Throttle
Cable until holes "A" are aligned in go vetoer control
plate and slide plate,
c.
Tighten clamp screw.
13. Carburetor
Adjustment
NOTE: ADJUST THROTTLE CONTROL CABLE BEFORE
MAKING ANY ADJUSTMENT
TO CARBURETOR.
a.
With engine off turn high speed mixture screw clock-
wise ( ,F_
) closing finger tight ONL Y, and turn
counterclockwise
(,_-_)
I-1/2 turns (Fig. 18)
NOTE: THE SCREW SEA T MA Y BE DAMAGED B Y TURN.
ING IT TOO FAR CLOCKWISE,
REFER TO "STARTING THE ENGINE"
PAGE 10.
b., Start engine and allow to warm for five minutes
Make final adjustment with engine running and Gear
Shift lever in "NEUTRAL " position,,
IDLE
SPEED
SCREW
HIGH
SPEED
PLATE.
SLIDE
MIXTURE
SCREW
GOVERNOR
PLATE
CONTROL
FIGURE18
14. Replace Spark Plug
Replace spark plug at the beginning of each mowing season
or every 100 hours, whichever comes firsL Gap should be set
at 0_030 inch (Fig,. 19)_
"
i
/s
GAUGE
SPARK
.I
FIGURE
19
18
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