Sears 917.255741 manual Asneeded, Do not Make Unnecessaryadjustments FAC, Refer Starting Engine

ASNEEDED

1. CARBURETOR ADJUSTMENT

DO NOT MAKE UNNECESSARYADJUSTMENTS FAC-

TORY SETTINGS ARE SATISFACTORY FOR MOST APPLICATIONS AND CONDITIONS. tF ADJUSTMENTS ARE NEEDED, PROCEED AS FOLLOWS:

a, Make sure Air Cleaner is clean (see page 15),

b,, With	engine	not	running,	place Throttle	at "FAST"
detent	*	f'	i'	. *
	(not m	CHOKE		position)°

C.Check that hole in Throttle Lever and hole in Plate line

up (Fig. 31 - Inset), If holes are not aligned, loosen Clamp Screw and move Throttle Cable until holes are aligned, Tighten Clamp Screw,

d. Turn High Speed Adjusting Needle clockwise (_), clos- ing finger tight ONLY, and then turn counterclockwise (t _) t-1/2 turns (Fig. 31)_

e, Turn Idle Adjusting Needle clockwise (('_) closing finger tight ONLY, and then turn counterclockwise (_) I turn.

REFER

TO

"STARTING

THE

ENGINE",

PAGE 8.

f, Start Engine and allow to warm for five minutes,

g, Make

final

adjustments

with

Engine running, Gear Shift

Lever

in

"NEUTRAL"

position

and

Parking

Brake

en-

gaged,

--

With

Throttle

Control

Lever

in

"FAST"

position,

turn

High

Speed Adjusting

Needle

counterclockwise

(f_)

until

engine

runs

rough"

then

turn

clockwise

(F-_)

until

engine

begins

to

miss,

Turn

Needle

to a

point midway between these positions,

--

With

Throttle

Control

Lever

in

"SLOW"

position,

hold

Throttle

Lever

so

that

Idle

Speed

Adjusting

Screw

is

against

Carburetor,

turn

Idle

Adjusting

Needle

counterclockwise

(f-_)

until

engine

runs

'_rough"

and

then

turn

clockwise

(f"_)

until

engine

begins

to

die.

Turn

Idle

Needle

to

a

point

midway

between

these

positions.,

NOTE:

If enqine

hesitates

when moving

Throttle

Control

Lever

from

tt_.

'1

It

RUN

1,

turn

Idle

Speed

SLOW

to

position,

Adjusting

Screw

counterclockwise

(t'-_) one-eighth

turn.,

2,, REPLACE

FUEL

FILTER

a, Remove Clamps from fuel lines at front and rear of Fuel

Filter

(Fig,

31)o

b, PUll Fuel Filter out of fuel lines,

c. Install new Fuel Filter with arrow pointing toward

engine,

do Ii]stal! new Fuel Line Clamps supplied with Fuel Filter°

BE SURE THERE ARE NO FUEL LINE

LEAKS AND THAT FUEL LINE IS IN

PROPER POSITION IN HOSE CLAMPS

PLATE

%&

THROTTLE

LEVERTHROTTLE

CABLE

CLAMP

SCREW

DLESPEEO

STOPSCREW

./

FUEL

LINE

CLAMP

IDLE
ADJUSTING
NEEDLE
_,l	FUEL
/	FILTER
HIGH SPEED
ADJUSTING
NEEDLE
	FIGURE 31

t7-