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+

 

 

 

Remove

the

Cover

Plate,

 

 

 

 

 

 

 

 

 

 

 

 

 

b

Loosen .Jam Nut (A) on Brake Rod (B) at Clevis (C)

 

 

 

(Fig,

31)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

c

Rotate

 

 

Brake

Rod

(B)

counterclockwise,

 

(_¢-_) turning

 

 

 

Brake

 

Rod

out

of

Clevis (C)

four

to

six

turns

(Fig., 31),

 

 

d,

Start

 

tractor

 

w_th

 

 

 

,

 

rt

 

 

 

I_

 

*

 

 

 

 

Transm+ss+on

+n

NEUTRAL

 

pos-

 

 

 

tion,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

eo

Depress

Brake-Clutch

 

Pedal

to

the point where Secon-

 

 

 

dary

 

Belt

 

(Fig

16)

stops

moving,

Hold

Brake-Clutch

 

 

 

 

Pedal

 

 

in

position

 

by

engaging

 

Parking

Brake

(Fig,

10)

 

 

 

If

Secondary

 

Belt begins to move after engaging Parking

 

 

 

Brake,

 

 

depress

Brake_CRJtch

 

Pedal

to

next

notch

 

on

 

 

 

Parking

 

Brake,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

f,

Shut

engine

 

off,

Rotate

Brake

Rod

(B)

clockwise

 

by

 

 

 

hand,

 

 

turning

Brake

 

Rod

into

Clevis

(C),

until

 

tight_

 

 

 

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

factory

and

should

only

be

changed

by

a quali-

 

 

fied

service

technician

 

who

has

the necessary equipment,

 

 

 

a_

Adjust

 

Carburetor

 

to

suggested

initial settings.

 

 

 

 

"_

FIGURE 31

 

--

Turn

Needle

Valve

clockwise

(

_

)

closing

 

finger

 

 

 

 

 

 

tight

ONLY,

and

then

turn

 

counterclockwise

 

((_.)

 

 

 

 

1 -

 

1/2 turns

(Fig

32).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

--

Turn

Idie

Valve

clockwise,

 

(('_) closing finger tight

 

 

 

 

ONLY,

 

and

then

turn

counterclockwise

 

(F_)

1 -

I/2

 

 

 

 

turns,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION: Valves may be damaged if turned in too far.

REFER TO "STARTING THE ENGINE"

PAGE 4+

b- Start Engine and allow to warm for five minutes. Make final adjustments with Engine running.

,.+ With Throttle Control in "SLOW" position, hold

Throttle Lever against Idle Stop and set Idle Speed

Adjusting Screw to give an engine speed of 1400

RPM. Turn Idle Valve clockwise (('_) siowly until engine begins to miss and then open 1/2 turn counter- clockwise (f_)

--Set Idle Speed Screw to give engine speed of 90U

RPM, When Throttle Lever is release from Idle Stop, engine speed should 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 Throttte Contro_ in "FAST" position, turn

Needle Valve slowly clockwise ((_) until engine be+ gins to miss and then set 1/2 turn counterclockwise,

(t'_,)+ NOTE: IF ENGINE HESITATESWHEN MOV-

ING THROTTLE CONTROL FROM +'SLOW" TO

"FAST" POSITIONS, TURN NEEDLE VALVE

COUNTERCLOCKWISE ((%) I/8 TURN MORE

4+ ADJUSTMENT V+BELT

it may be occasionally necessary to re-adjust V+Belt_ (See

page 7).

NOT START WITHOUT FU LLY DEPRESS-

l _INGCHECKTOMAKESURETRACTORDOES]CLUTCH-BRAKE PEDAL

11-

Page 13
Image 13
Craftsman 917.253724 owner manual Refer to Starting the Engine, Neutral

917.253724 specifications

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