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carburetor
adiustment
CAUTION:
WHEN
FOLLOWING
STEPS 1 THRU
5
BELOW, USE EXTREME CARE TO AVOID
CONTACT
WITH MUFFLER
OR
MOVING PARTS
TO
PREVENT INJURY. ALSO, BELT
GUARD
MUST
BE IN
PLACE
..
THROTTLE
STOP SCREW
FUEL
BOWL
~
DRAIN
PLUG
~~=::;::;;'
HIGH SPEED ADJUSTING
NEEDLE
FIG.
23
DO
NOT
MAKE
UNNECESSARY
ADJUST-
MENTS. FACTORY SETTINGS
ARE
CORRECT
FOR YOUR TRACTOR. IF ADJUSTMENTS
ARE
NEEDED,
PROCEED
AS
FOLLOWS:
1
.
High
s
peed
adjustment
is pre-set
a
t
the factory
(1
y,;
t
urns
open
) and
it
shou
Id
not
be
ne
ces
sary
to
re-adj
us
t.
2.
Sta
rt
engine.
3.
With throttle
control
lever in
"F"
fast
po
sition,
adj
ust
"Idle Adjusting Needle" one eighth (118)
turn at
a
time
clockw
ise
or counterclockw
ise
until
engine
runs
smoothly.
(1Y2
turns
open)
.
4.
Move
th
ro
ttl
e
con
trol
lever
to
"S" slow position,
adjust
"Throttl
e
Stop Screw"
to
obtain
correct
idle
speed
.
If necessary,
re-adjust "Idle Ad-
justing
Needle
"
by
turning
clockwi
se
o
r counter-
cloc
kwi
se
as in step 3 un
t
il engine idles
smooth
-
ly.
.
5.
Allow seve ral
seconds
between
each
adjus
tment
for
engine ca
rb
uretor
to react to the
new
setting.
CAUTIO
N: Never
attempt
to
change
maximum engine
speed
; This is
preset
at the factory
and
can only be
changed
by
a qua
lified
Sears
Service Technician
who
has the
necessary
equipment.
spark
plug
""
,
?'
.
.
1.
Remove the
change
oil
and
inspect
It.
a.
The
electrodes should
be
kept
clean and
fr
ee
of carbon. The
presence
of
carbon
or excess
oi
I
wi
II
greatly
hinder
proper
eng
ine
per-
formance
.
b. If possible, check the spark plug gap
(area
between
electrodes),
using
a
wire
feeler
gauge.
This specification should be .030.
2808R-19.2.73
- 12 -
2.
If
you
need a
new spark plug refer
to "Repair
Parts"
section
for
proper replacement.
3. Before
in
stall ing spark
f;'''(u9,
coat
threads
lightly
with
graph ite grease if possible,
to insure
easy
removal
next
time
the spark plug needs in-
spec
ti
on.
tire
s
K ·eep tires
inHated
to
12 pounds of air pressure In
front;
6
pounds in rear.
Avoid stumps,
stones
,
deep
ruts
and other hazards.
Cuts
in tires should be repaired
immediately
as
neglect decreases the tire
life.
Keep
ti
res
free
from
oil
and
grease as both destroy
rubber.
After
using
the
Tractor
for spray ing--insect con
t
rol
work--
wash
off
any chemical
s that
may
be on
the tires.
\~
A
B
FiG. 25
To
rem
ove
a
front
tire
and
wheel, proceed
as fol-
lows:
1.
Block up Tractor rocker bar
(fron
t axle)
sec ure
ly
or use a Sears Tractor Jack.
2. Remove hex
bolt (A)
,
and dust
cap
(B).
3. Remove gripeo nut (C),
wear
washer
(D),
p
in
(E),
a~d
washer (F), from
sp indle
shaft
as
-
sembly
(G).
4.
After tire is repai red,
reverse above
proc
edu
re
for
reassembiy.
A
rear wh
ee
I
and tire
is removed
by removin
g
th
e
five hub
bolts
from wheel
and hub.
FIRST
:
Block
up rear
ax
le
securely or use
a
Sears Tractor
Jack.
Sears or
your local
service station
can
repa
ir
your
Tractor tire in the same manner as
an au
to
mob
ile
tire.
how
to start
if
battery
is low
1.
Connect
quick-start battery
cables or
"j
um
per
s
"
fr
om
your automobile
12
vo
It
battery to
th
e T rae-
t
or
battery
CAUTION: Connect
POSitive
(+)
termin
al
to
positve
(+)
term
inal.
This
method of
start
ing is
only
a
means
of
emergency start
in
g.
Have Tractor
batt
ery
rec
harged
or
replaced
im-
mediately.
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