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2. BRAKE ADJUSTMENT
IF TRACTOR REQUIRES
MORE THAN
SIX
FEET
STOPPING
DISTANCE
IN
HIGHEST
GEAR
ON A
LEVEL DRY
CONCRETE
OR
PAVED
SURFACE THEN
BRAKE MUST
BE
ADJUSTED.
a. Remove (4) Hex
Washer Head Tapping Screws
from
Shift Cover
Plate
(Fig.
30) located
on top tractor
frame
and remove
the
plate.
b. Loosen
Jam Nut (A)
on
Brake Rod (B) at
Clevis (C)
(Fig.
31)
.
c. Rotate Brake Rod (B) counterclockwise
until
the
Brake
Band
Assembly
(E)
is clear of
the
Brake
Drum (F)
(Fig.
31
).
d. Depress Brake-Clutch
Pedal and position Park
Brake
Lever
(G)
in
the fo
rward
second
notch on the
Lockbar
(H)
(Fig.
31A).
e.
Rotate Brake Rod
(B)
clockwise until Spring (D) is com-
pressed
to
1
-
3/8"
(Fig.
31).
f. Tighten Jam Nut
(A)
on Brake
Rod (B)
at
Clevis (C)
(Fig.
31).
3.
CARBURETOR
ADJUSTMENT
Never
attempt
to
change maximum
engine
speed.
This
is
preset at
the
facto ry and should
only
be changed
by
a
quali-
fied service technician who has
the
necessary equipment.
a.
Adjust Carburetor to suggested initial settings.
..
Turn Needle
Valve
clockwise, closing
finger
tight
ONLY, and
then
turn counterclockwise
1
-
1/2
turns
(Fig.
32).
--
Turn
Idle Valve clockwise, closing finger
tight ONLY,
and
then turn counterclockwise
1
-
1/2
turns.
CAUTION
:
Valves
may
be
damaged if turned in
too far.
REFER TO "STARTING
THE ENGINE"
PAGE
4.
b
.
Start Engine
and al low
t
o
warm for
five minutes. Make
fin
al
adjustments
with
Engine
running
.
..
With Th rottle
Control
in "SLOW" position,
hold
Throt
tle
Lever
against Idle
St
op and
set
Idle Speed
Adjusting
Screw to
give
an
engine
speed of 1400
RPM. Turn
Idle Valve
clockwise
slowly
until
engine
begins
to miss
and then open
1/
2
turn
counter-
clockwise.
--
Set
Idle
Speed
Screw
to give engine
speed
of
900
RPM.
When
Throttle Lever is
rel
ease from
Idle
Stop,
engine speed
shoul
d
be between 1000 and 1400
RPM,
controlled by
governor.
NOTE: ALL ABOVE SPEED AND FUEL MIXTURE
ADJUSTMENTS MUST
BE
DONE WITH THE
THROTTLE LEVER HELD AGAINST THE IDLE
STOP AND AT SPEEDS NOTED.
··
With
Th rottle Control
in
"FAST" position, turn
Needle
Valve slowly clockwise until
engine
be·
gins
to miss and
then
set 1/2
turn
counterclockwise.
NOTE: IF
ENGINE HESITATES WHEN MOVING
THROTTLE
CONTROL
FROM
"SLOW"
TO
"
FAST"
POSITIONS, TURN
NEEDLE
VALVE
COUNTERCLOCKWISE 1/8 TURN MORE.
4
.
ADJUSTMENT V-BELT
It may be
occasionally
necessary to
re-adjust
V-Belt. (See
page
7).
D
1.
3/8"
B
(~? l
.
~- -
..
~
tR\
FIGURE
31
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