Sears 917.253250 User manual

ISears I

owners

manual

MODEL

NO.

91

z

253250

3722R

-7

.2

.73

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42 INCH

ROTARY

MOWER

~

.-{

'

~

-

(_/,)

} L

c:::t..-'

•

Assembly

~a

r-~

•

Operating

•

Maintenance

•

Repair

Parts

Sears

,

Roeb

uc

k

and

Co.

,

Chicago,

Ill.

60607

U .

S.A.

and

Simps

on

s

Sears

Limited

,

Toronto

PRINTED IN U. S. A.

another free manual from www.searstractormanuals.com

During

the

first

year,

we

will

repair

your

mower

free

of

charge

if

found

defective

in

material

or

workmanship.

This

guarantee

service

is

available

by

simply

contacting

any

of

our

stores

or

service

centers

throughout the

United

States

or

Canada.

The

guarantee

is

limited

to 30

days

if

the item

is

used

for

commercial

purposes.

SEAR

S,

ROE

BUC

K A

ND

CO.

- SIMP

SON-S

EARS L

TO

.

SAFETY

PAYS

OFF

IMPORTANT

rule

s

for

safe

operation

TRAINING

1.

Read

the

Owners

Manual

carefully

and

fully

famil iari

ze

yourse

If with

the

controls

and

proper

use

of

your

tractor

and

mowing

attachm

ent.

Be

prepared

to

stop

the

engine

and

blades

on

a

second's

notice.

Only

persons

well

acquainted

with

these

Ru

les

for

Safe

Operation

should

be

allowed

to

use

your

tractor

and

mowing

attach-

ment.

2.

Do

not

allow

childre

n or

young

teena

gers

to

start

or

operate

your

tractor

and

mowing

attach

men

t.

3.

Do

not

allow

anyone

in

the

area

while

cut

ting.

Keep

the

ch

ildr

en

and

pets

in

the

back

yard

while

mowing

the

front

yard.

Keep

o

wary

eye

ou

t

for

children

or

passers-by.

Place

the

blade

con-

trol

lever

in

the

disengaged

position

and

stop

the

engine

while

they

are

in

the

vic

inity

of

your

mower.

Children,

pa

r

ticularly,

could

get

an

ex-

tremity

in

the

way

of

the

revolving

blode

(s)

and

also,

although

the

area

to

be

mowed

should

be

completely

cleared

of

all

foreign

objects,

a

small

object

may

have

been

overlook

ed

and

cou

ld

be

acc

ident

ally

thrown by

the

mowing

attac

hment

.

PREPARATION

4.

Thoroughly

inspect

your lawn

and

remove

all

foreign

objects

such

as

rocks,

stones,

wires,

cans,

boards,

bran

ches,

bones

and

other

foreign

objects

before

each

cutting.

Do

not

strike

any

roots

or

other

foreign

objects

as

they

may

be

propelled

by

the

blades

causing

injury to

the

operator,

o

bystander

or

a

pet

or

damage

to

other

property,

the

tractor

or

the

mowing

attachment

itself.

5.

Do

not

operate

the

tracto

r

and

mow

ing

attachment

when

barefoot

or

wearing

open

sandals.

Always

wear

substantial

footwear,

preferably

stee

l-

toed

shoes.

Also,

do

not

wear

loose

fitting

cloth

ing

that

could

get

caught

in

moving

ports.

3722R-7

.2

.73

- 1 -

6.

Check

your fuel

supply

before

each

use.

Never

remo

ve

the

gas

cap

or

fill

the

gasoline

tank

when

the

engine

is

running

or

while

it

is

hot

. When

fillin

g

the

fuel

tank,

leave

space

for

expansion,

do

not

fill

it

to

the

brim

and

keep

in mind

that

the

heat

of

the

sun

can

cause

the

gasoline

to

expand.

Wipe

off

any

spilled

gasol

ine

before

starting

the

engine.

Remember,

gasoline

is

hi

ghly

flammable

and

must

always

be

handled

with

extreme

core.

7.

A

tractor

with

a mowing

attachment

is

a

preci-

sion

piece

of

lawn

care

equipment,

not

a

play-

thing,

therefore,

extreme

caution

must

be

exer-

cised

at

all

times.

8.

Never

attempt

to

operate

a

damaged

tractor

or

mowing

attachment,

always

repair

any

damage

before

attempt

ing

to

start

or

operate

your

tractor

or

mowing

attachment.

9.

Never

attempt

to

corry

any

passengers,

their

safety

as

well

as

your

safety

will

be

endangered.

10.

Your

tractor

w

it

h

the

mowing

attachment

in

pl

ace

is

equipped

with

on

engine

interlock

system.

Th

is

system

will

prevent

the

engine

from

starting

if

the

operator

tries

to

start

the

eng

ine

while

the

transmission

is

in

gear

and

/

or

the

blade

control

lever

is

in

the

engaged

posi-

tion

.

Before

attempting

to

start

the

engine

make

sure

the

gear

shift

lever

is

in

neu

tral

and

the

blade

control

lever

is

in

the

disengaged

posi-

ti

on,

then

firmly

apply

the

foot

brake.

The

park

ing

brake

must

always

be

disengaged

when

you

put

the

tractor

in motion. If

the

tractor

is

operated

with

the

parking

brake

engaged

,

serious

damage

may

resu

lt.

11.

Each

time

before

leaving

the

operator

's

seat,

be

absolutely

sure

the

blade

control

lever

is

in

th

e

disengaged

position,

the

parking

brake

is

engaged,

the

gear

shift

lever

is

in

neutral,

the

engine

is

shut

off,

the

blades

and

all

moving

parts

have

stopped

and

the

ignition

key

is

removed.

Never

leave

the

operator

' s

seat

with

another free manual from www.searstractormanuals.com

or

blades

running.

Always

get

on

or

off

your

tractor

with

the

mowing

attachment

in

place

from

the

operator's

left-hand

side.

This

will

reduce

exposure

to

the

discharge

area.

Always

mow

in

daylight

or

good

artificial

light,

only.

Never

operate

your

tractor

in

wet

or

slippery

gross,

where

traction

is

unsure

or

at

a

speed

which

could

cause

a

skid.

OPERATION

14.

15.

16.

17.

18.

19.

Do

not

attempt

to

change

the

governor

setting

or

overspeed

the

engine.

The

governor

controls

the

eng

ine

speed

and

prot~cts

the

engine

from

damag

ing

,

excessive

speeds.

Excessive

engine

speeds

ore

dongerou

s.

When

starting

your

engine

on

tractors

equipped

w

it

h a

pull

starter,

steAd

firm

and

make

sure

your

feet

ore

well

away

from

the

mowing

attach·

ment.

Never

place

your

hands

or

feet

under

the

mowing

a

ttachmen

t,

in

the

di

scharge

chute

or

near

any

moving

ports

while

the

tractor

or

m~wer

o~e

running.

Always

keep

clear

of

the

d1

schorge

chute.

Always

place

the

blade

control

lev

er

in

the

disengaged

position,

set

the

porki~g

brok

e,

shift

into

neutra

l,

shut

off

the eng1ne,

make

absolutely

sure

the

blades

and

a

ll

moving

ports

hove

come

to

a

stop

and

remove

the

ignition

key

each

time

you

dismount

your

tractor,

even

for

a

second.

Children,

yourself,

other

persons

or

pets

may

be

endangered.

If

your

tractor

or

mowi~g

ott?chm~nt

sh_

ould

inadvertently

strike

a fore1gn

obJect,

Immediate-

ly

place

the

blade

control

lever

in

the

dis-

engaged

position,

set

the

parking

broke,

shift

into

neutral

,

shut

off

the

engine,

make

absolute·

ly

sure

the

blades

and

all

moving

ports

hove

completely

stopped,

remove

the

i

gnition

key,

disconnect

the

spark

plug

wire

from

the

spark

plug(s)

ond

keep

the

wire

away

from

the

plug(s)

to

prevent

injury

or

occidental

stortin~,

then

thoroughly

inspect

the

tractor

and

mow1ng

at-

tachment

for

any

damage. Such damage

must

be

repaired

before

restarting

and

operating

the

tractor

and

mowing

attachment.

If

the

tractor

or

mowing

attachment

should

start

to

vibrate

abnormally,

place

the

blade

control

lever

in

the

disenga

ged

position,

set

the

parking

broke,

shift

into

neutral,

shut

off

the

engine,

make

absol

ut

ely

sure

the

blades

and

aII

mo

v

ing

ports

hove

completely

stopped,

remove

the

ignition

key,

disconnect

the

spark

plug

wire

from the

spark

plug(s)

and

keep

1t

away

from

the

plug(s)

to

preve~t

in

j~ry

or

oc-

cidental

starting,

then

check

1mmed1otely

for

the

cause

of

this

vibration

as

vibration

is

generally

a

warning

of

trouble.

. .

Before

clearing

the

discharge

chute,

adJuSting,

cleaning,

repairing,

or

inspect

ing

your

tractor

or

mowing

attachment,

place

the

blade

control

lever

in

the

disengaged

position,

set

the

parking

brake,

shut

off

the

engine,

make

absolutely

sure

the

blode(s)

and

all

moving

parts

hove

com-

pletely

stopped,

remove

the

ignition

key,

dis-

connect

the

spark

plug

wire

from

the

spark

plug(s)

and

keep

it

away

from

the

spark

plug(s)

3722R-7

.2.73 - 2 .

21.

22.

23.

24.

25.

26.

27

.

28.

29.

30.

31.

32.

33

.

and

keep

it

away

from

the

spark

plug(s)

to

pre·

vent

injury

or

occidenta

l

starting.

Do

not

run

the

engine

indoors

because

the

en-

gine

exhaust

fumes

contain

carbon

mon~xide

which

is

a

tasteless,

odorless,

deadly

po1son.

Never

mow a

terrace,

slope,

or

incl

ine

that

is

too

steep

to

preserve

good

stability

and

control

in

order

to

prevent

tipping

or

sideways

upsets.

Always

mow up

and

down

such an

incline,

at

a

slow

speed

when

using

a

tractor,

do

not

mow

across.

Do

not

start

or

stop

suddenly

when

going

up

or

down

a

terrace,

slope

or

incline.

If

it

is

ne·

ce

'

ssary

to

stop

your

tractor

upon

on

in_cli~e,

do so

firmly

to

prevent

the

tractor

from p1ck1ng

up

speed

during

declutching

and

before

reochi_ng

the

broke

position.

Do

not

shift

gears

whde

going

up

or

down

inclines

.

Choose

a

gear

low

enough

to

negotiate

the

incline

without

stop·

ping

and

shifting

gears.

To

reduce

the

speed

of

the

tractor

on an

inc!

ine

move

throttle

lever

to

slow.

Never

attempt

to

operate

your

tractor

or

mowing

at

tachment

without

the

proper

shields,

guards,

plates

or

other

protective

devices

in

place

and

fully

functioning.

Be

absolutely

sure

that

the

discharge

shield

is

used

at

all

times

when

the

mowing

attachment

is

operating

in

order

to

minimize

the

possibility

of

injury

or

damage from a

thrown

object.

Before

and

while

attempting

to

bock

up,

look

carefully

to

be

absolutely

sure

that

children,

bystanders,

pets,

foreign

objects

or

obstacles

of

any

kind

ore

not

behind

you.

Never

direct

grass

clipp

ings

from

the

discharge

chute

toward

by

stonders

or

pets

nor

a

!low

any-

one

near

the

tractor

while

it

is

operating.

Be

sure

to

exercise

special

core

when

mowing

around

fixed

object

s

in

order

to

prevent

the

blades

from

str

i

king

them.

Never

deli

berotely

run a

tractor

or

mowing

attachment

into

or

over

any

foreign

objects.

Never

shift

gears

to

reverse

your

direction

of

travel

until

the

tractor

comes

to a

complete

stop.

Always

stay

alert

to

ovoid

holes

in

the

terrain

and

other

hidden

hazards.

Tipping

or

sideways

upset

s con

happen

eosi

ly

in

holes

or

ditches.

Use

low

gear

on unfomiIi

or

ground.

If

the

tractor

or

mowing

attachment

becomes

stuck

in

a

hole,

always

place

the

blade

control

lever

in

the

di

sengoged

posi

tion

before

att

empt

in

g

to

free

it.

Be

ready

to

start

mowi

ng b

efore

you

sta

rt

the

engine

of

your

tracto

r,

place

the

blade

control

lever

in

the

engaged

pos

i

tion

or

shift

into

gear.

The

use

of

any

precis

ion

pi

ece

of

power

equip-

ment

requires

your

fu

ll

concentration

and

at-

tention

to

the

job

being

done

in

order

to

prevent

in

ju

ry

or

damage.

Always

place

the

bl

ade

control

lev

er

in

the

disengaged

posit

ion when

not

cutting

gross

such

as

when

cross

ing a

grovel

drive,

side-

walk,

or

roadway

or

wh

en

transporting

the

trac

tor

.

Watch

out

for

traffic

when

crossing

or

near

roadways.

another free manual from www.searstractormanuals.com

o

per

ation (cont.)

MAINTENANCl:

34.

Keep

all

nuts,

bolts

and

screws

tight

in

order

to

be

sure

that

the

tractor

and

mowing

attach-

ment

are

in

safe

working

conditio

n.

Be

sure

the

broke

and

mowing

attachment

controls

are

always

in

proper

adjustment

and

repair.

Chec

k

the

blad

e

and

engine

mounting

bolts

at

frequent

int~rvals

for

proper

tightness.

Before

performing

any

maintenance,

always

place

the

blade

con-

trol

lever

in

the

disengaged

position,

set

the

parking

brake,

shift

into

neutral,

shut

off

the

engine,

make

absolutely

sure

the

blades

and

all

moving

pa

r

ts

hove

completely

stopped,

remove

the

ignition

key,

disconnect

the

spark

plug

wire

from

the

spark

plug(s)

and

keep

it

away

from

the

plug(s)

to

preven

t injury

or

oc-

ci

dental

sta

rting

.

35.

Keep

the

engine

free

from

accumulations

of

grass,

leaves

or

excessive

grease

as

these

accumulations

ore

combustible

and

could

'

re

-

introduction

suit

in o

fire.

Always

keep

your

tractor

and

mowing

attachment

in good

operating

cond

ition

and

make

sure

that

all

shields,

guards

,

plates

and

other

protective

devices

ore

in

place.

Gi

ve

your

tractor

and

mowing

attachment

the

regular

mai

ntenanc

e

they

need

and

hove

a

competent

serv

ic

eman

make

a thorough

inspect

i

on

of

the

tra

ctor

and

mowing

attachment

at

lea

st

once

a

year

.

36.

Do

not

store

your

tractor

for pr

olonge

d

periods

(m

ore

than

30

days)

with

gasoline

in

the

tank.

Do n

ot

store

your

tractor

or

o

gaso

li

ne

con-

tain.

er

insid

e a

buildin

g

where

fum

es

may

reach

an

open

flame

or

spark,

they

should

be

stored

in a

cool,

dry

place.

Be

su

re

to

let

the

eng

i

ne

cool

before

storing

in

any

enclosure.

Al

ways

u

se

on

app

roved

gasoline

con~oiner

for

storing

gasoline

and

keep

your

tractor,

mowing

attach-

ment

and

gasol

ine

container

in

locked

storage

to

prevent

children

from

playing

and

tampering

with

them.

This

tractor

or

attachment

has

been

designed,

engineered

and

manufactured

to

give

you

the

best

possible

depend-

ability

and

performance

.

Should you

experience

any

problem

you

cannot

eosi

ly remedy, p

lease

contact

your

nearest

Sea

rs

Roebuck

or

3impsons-

Seors,

Ltd

.

Service

Dept.

They

have

well

qualified,

compet

ent

trained

technic

i

ans

and

the

proper

tools

to

service

or

repair

this

unit

.

It

is

important

that

the

operator

ALWAYS

OBSERVES

THE

"RUL

ES

FOR

SAFE

OPERATION"

as

well

as

other

instructions

contained

in

these

manuals

.

Your new

Rotary

Mower

Attachment

utlizes

multiple

sha

rp

cutt

i

ng

bl

ades

rotating

about

vertical

shafts

with

in

the

housing.

These

blades

rotate

at

14,000

feet

per

minute

.

The

blades

sl

i

ce

gross

at

approximately

158

miles

per

hour

to

provide

a uniformly

cut

lawn

.

Gross

clipp

ings

ore

exhausted

•hrough

the

mower

discharge

orec

by

the

fast

flow

of

air

created

by

the

revolving

blades

.

The

Rotary

Mower

has

been

shipped

from

the-

factory

partially

assemb

l

ed,

for

shipping

purposes.

All

ports

necessary

to

complete

assembly

ore

included

in

plas

tic

bog

within

the

carton.

The

bag

of

ports

include

the

following

items:

2

adjusting

pins

4

reta

i

ner

springs

2

bushing

s

1

spring

2

hex

bolts

2

carr

i

age

bolts

10

flat

washers

6 l

ockwoshers

6

hex

nuts

1 i

nstruct

ion

sheet

ta

bl

e of

content

s

GUARANTEE

ASSEMBLY

INSTRUCTIONS

4-

9

OPERA

TING

INSTRUCTIONS

9-10

MAINTENA

NCE

INSTRUCTIONS

10

-

12

REPAIR

PARTS

13-17

3722R

-5

.3

J3 - 3 -

another free manual from www.searstractormanuals.com

t

refer

ence

drawing

and

instructions

LIFT

LEVER

WITH

PLUNGER

DECK

DRIVE

COVER

DEFLECTOR

assemb

ly

RUNNER

R.H.

A

ssemb

ly

as

well

as

all

of

the

different

sections

of

this

Owne

rs

Manual

should

be

studied

very

closely

before beginning

to

assemble

your Rotary Mower.

A

letter

in

parenthesis

in

the

following

instructions

refers

to

on arrow in on odjoaning

Figure

(illustra-

tion),

unless

otherwise

stated.

When

R.H.

(Right

Hand)

or

L.H.

(

Left

Hand)

is

used,

it

means

from

a

posit

ion behind

the

steer

in

g

wheel

as

if one

were

seated

on

the

tractor

seat

and

facing

forward .

c

FIG.

2

1.

Cut

all

wires,

and

remove mower,

plastic

bog,

and

other

ports

from

carton.

P

lostic

bog

con-

tains

ports,

and

hardware

necessary

for

the

as-

sembly

of

the

mower.

Loy

out

ports for

assembly,

and

separate

bolts

etc.

according

to

size.

2.

Remove

top

bolt

(A) from

rear

of

mower

(dis·

charge

end).

3.

Make

sure

chain

links

ore

not

kinked,

and

slip

shield

(B)

over

discharge

end

of

mower

housine

as

shown.

Replace

bolt

(A)

(head

to

inside)

3722R-?

.2

.73

for

assembly

SUSPENSION

V-BELT

PLUNGER

ASSEMBLY

(ENGINE

TO

CENTER

MANDREL)

FIG.

1

. 4 .

BE T

GUIDE

WELDMEN

T

-FRONT

through mower

housing

and

shield

(B).

Slip o

11/32

x

11

/16

x

16

Go .

washer

(found in

plastic

bag) on

bolt

and

secure

with

lockwosher,

and

hex

nut,

which

was

previously

removed .

Leave

bolt

loose.

4 .

Insert

o

5/16

x

3/4

carriage

bolt

(C)

(head

to

inside)

through

front

of

mower

housing

and

shield

(B).

Secure

with

11/32

x

11/16

x 16

Ga.

flar

washer,

lockwosher,

and

hex

nut.

Leave

bolt

loose.

Bolt,

washers,

hex

nut

wi

II

be

found

in

plastic

bag.

5.

Inse

rt

a

5/16

x

3/4

bolt

(D)

(head

to

inside)

through

top

center

of

housing,

and

shield,

in

same

manner

as

step

4

above.

Tighten

all

3

bolts

in

shield

securely.

FIG

. 3 \

PLACE

LIFT

LEVER

OVER

NOTCHED

LEVER

BRACKET

AND

TlLT

BOTTOM

OF

LEVER

OUT-

WARD

TO

ALIGN

BOLTS

IN

LEVER

BRACKET

WITH

HOLES

IN

LEVER.

~

"

t

6.

Refer

to

Fig.

3.

Install

lift

lever

(D),

to

R.H.

end

of I

ift

shaft

(E) .

Be

sure

notched

lever

bracket

(F),

is

between

le

ver

and

lever

clip,

and

that

lever

fits

on

end

of

lift

shaft

(E).

Secure

with

flat

washers

13/32

x

7/8

x 14

Go.,

lockwoshers,

and

hex

nuts

shipped

in

plastic

bag.

Tighten

nuts

securely

.

another free manual from www.searstractormanuals.com

FIG. 4

7.

Depress

lever

plunger

(G). Move le

ver

to

approxi-

mately

middle

of

notched

lever

bracket

(F).

Drive

roll

(H), thru

lever,

notched

lev

er

brocket,

and

lever

clip

.

Refer

to

Fig.

4.

T

HICKER

PORTIO

N

OF H

UB

TOWARD

GAUGE

WH

EE

L

SUPPORT

(K)

FIG.

5

8.

Refer

to

fig.

5.

Assemble

gauge

wheels

{J)

to

R.H.

side

of

each

gouge

wheel

support

{

K).

NOTE:

A

bushing

must

be

ins

ide

each

wheel

hub,

and

a

13

/

32

x 7

/8

x 14

Ga.

washer

must

3722R-7

.2.73 - 5 -

be

on

each

side

of

whee

l.

Secure

with

3/ 8 x

2

~

hex

bolt,

lockwasher,

and

hex

nut.

Use

top

hole

in

each

brocket

(K}

to

mount

wheels

. T

ighten

nut

s

secure

l

y.

~

()

FIG

. 6

9.

Refer

to

Fig

.

6.

Install

L.H.

front

hanger

(L),

to

trac

tor

os

s

ho

w

n.

Use

b

olts

in

tractor.

If

tractor

is

equipped

with L

.H

.

front

han

ger

di

sregard

the

abo

ve

in

structions.

FIG.

7

10.

Refer

to

Fig.

7.

Install

belt

tightener

l

ever

and

han

ge

r weldme

nt

(M)

to

R.H. si

de

of

tr

actor

,

as

shown.

Front

attachin

g

bolt

is in tr

actor

fr

ame

.

Rear

attachin

g

hex

bolt 3/ 8 x 1!4,

lockwosher,

and

hex

nut

will

be

found in pla

stic

bag . If your

·

rector

come

equ

i

pped

with

a

belt

ti

ghtener

l

ev

e

r,

di

sregard

the

above

i

nstructions

.

NOTE:

Lev

er

and

hanger

we

ldment L.H.

front

is

not

Incl

ud

ed

with mower.

11.

t your tr

actor

does

not

have

rear

hang

er

weld-

ment

equipped

with

attaching

brackets

(N);

Remove

the

one

that

is

on

the

tractor,

and

re-

pla

ce

with new

style

.

Order

cat.

no.

25391 for

S

uburban,

or

cat.

no.

25392

for Hydro

-troc

12.

13.

'"oc·ors.

FIG.

8

=<e:er

to

f 1

g.

8 .

Tip

mower (A)

on

its

back

edge

as

shown.

Rotate

bl

ades

to

be

sure

t

hat

every

•r

·

,.,g

clear

s.

CAUTION:

Blades

are

sharp

.

V.Co<e

sJre

oil

bolts,

nuts

e

tc

.

ore

ti

ghtened

secure

y.

another free manual from www.searstractormanuals.com

attachi

ng

inst

ructions

1.

Check

tire

pressure

making

sure

it

coincides

with

recommended

pressures

•

See

owners

manuaI

or

rna

intenance

deca

I on

underside

of

tractor

hood.

2.

Place

tractor

on smooth

level

surface.

3.

Position

mower on R.H.

side

of

tractor

as

shown.

4. Turn

tractor

steering

wheel

to

the

extreme

left.

5.

Lock

all

four

attaching

plun

gers

(A), in

the

"out"

position.

6.

Move

lift

lever

(B),

to

the

extreme

rear

position

.

7.

Slide

mower under

trac

tor unti I

suspension

arms

(C),

ore

directly

beneath

hanger

brackets

(D).

FIG.

10

8.

For

ease

in

attaching

mower

to

tractor.

Place

a two foot long 2 x 4

flat

wise

(or

similar

object

)

under

each

end

of

mower.

9,

Place

lift

lever

(B),

in

extreme

forward

pos

i-

tion

.

10,

Refer

to

Fig.

10.

Grasp

suspension

arms

by

spring

boxes

(E).

Raise

R.H.

suspension

arms

and

align

with

holes

in front

and

r

ear

hanger

brackets

(C).

11

.

Release

front

plunger,

so

that

plunger

enters

hole

in R

.H.

front mounting

hanger

.

3722R-7.2.73 - 6 .

12.

Release

rear

plunger,

so

that

plunger

enters

slot

in R

.H.

rear

mounting

hanger.

13

.

Repeat

steps

10,

11,

and

12 for

L.

H.

side

of

mower .

14.

Pull

lift

lever

(B)

back

to

lift

mower.

1

5.

If you

have

used

2 x

4's

or

similar

objects

under

each

end

of

mower--

as

suggested

in

step

8,

they

should

be

removed

at

this

time.

FIG.

11

16.

Raise

front

channel

cover

(1),

and

slide

idler

shaft

assembly

(

F),

into

front

of

tr

a

ctor

chan

n

el

(G).

Refer

to

Fig.

11.

/

I

/ ,

"'

I

l

~I NC

H

OF

THRE

AD

'\

([

' '

---

--

......

FIG.

12

17.

Hook

offset

loop of

spring

(H),

int

o hole in

rear

of

front

axle

bracket

(J)

,

and

other

loop

of

spring

in hole in front

of

frame of idl

er

shaft

assembly

(F).

another free manual from www.searstractormanuals.com

~-----·~

~---BELT

GUIDE

-

18.

Remove

the

two

retainer

spr

i

ngs

(L)

and

en-

gine

belt

guard

(M).

Screw,

bushing

and

nut

were

shipped

in

place

with

tractor.

19.

20.

21.

22.

23.

Remove

nut,

lockwashe

r, and be lt

guard

(K),

from

front

of

idler

shaft

assem

bly (F) .

Place

belt

on

idler

shea

ves (P )

and

on eng

in

e pull

ey

(0),

as

shown.

N

OTE:

See

in

se

rt for pr

ope

r

way

of

i

nsta

llin

g be

lt

s

on

idler pull

eys

(P) .

Backside

(

outs

i

de

)

of

belt

mu

st

be pl

ace

d in

flat

(outside)

idler.

Belt

must

be pl

ace

d in

largest

groove

on

engine

pulley

(0

).

Refer

to

Fig.

12

.

Assemble

adjusting

.P.

in (N),

to

threaded

end

of

belt

tightener

link

{Q) .

will

be found in

plas

t

ic

bag.

See

F i

g.

12

. I

nsta

ll

belt

ti

ght

ener

link

(Q)

thru

open

ing in id l

er

sh

aft

as

sembly

(

F).

At-

tach

be

nt

end of link (Q) to rear

end

of

be

lt

tightener

l

ever

arm

(S) .

Sec

ure

wit

h

smallest

retainer

spring.

Spring

reta

i

ne

rs

will

be

found

in

plast

ic

bag.

Refer

to

F i

g.

12.

At

tac

h ad ju

st

ing pin (N),

to

i

dler

frame

(R) with lar

ge

st

spring

reta

in

er.

Refer

to "

Belt

Ad

j

ust

me

nt

" ,

pa

ge

8 .

Refer

to F i

g.

13.

Replace

be lt gui

de

(K) on

front

idle

r

sh

aft

(

F)

adjust

belt

guide

(K)

so

that

it

clears

belt

by

1/16

to

1/8

inc

h,

when

belt

is

tight

(cl

utch

engaged)

and

mower

is

in

l

owest

cut

ting

positi

on .

Then

raise

mower

to

hi

Qhest

cu

tt

ing

po

s iti

on

and

check

be

lt

guide

(K)

to

make

ce

rta

in

it cl

ears

the

be

lt

by

1/1

6

to

1/

8 i

nch

at

t

op.

24

.

Rei

n

stall

eng

in

e belt

gu

ard

(

M)

on

engine,

an

d

secure

with

two

re

tainer

spri

ngs

(L

) .

25,

Adjust

be

lt s

ee

Page

8 for

be

lt a d j

ust

m

ent.

3722R-22

2.

.

73

M

ACHINE

SCREW

--

BUS

HIN

G

V

GROOVE

INSIDE

IDL

ER

FIG

.

13

. 7 .

~

FIG.

14

26.

~

e

'

e·

·

::

F1

g.

1

4.

After

adjusting

belt,

assemble

s~

~ :

:e

·

;:,.,

II

rod (T)

to

snubber

weldment

(U),

cs

s

-::

...

~

r Fi

g.

1

4,

and

secure

with

retainer

s

::

·

-;

• :o.md in pl

ast

ic

bag.

ALWA

YS

GET

ON OR

OFF

TRACTOR

FROM

THE

L

.H

. SIDE.

THIS

WILL

REDUCE

EX

-

PO

SU

RE

TO

DIS

CHARGE

AREA

AND

AVOID

THE

POSS

I

BLE

OBS

TRUCTION

OF

LIFT

LE

V

ER

I

~

THE

OP

ERATOR'S

PATH.

AL

't~

A v

s

<::EP A

LL

SHI

ELDS

,

AND

SAFETY

DE

Y CES

~

PLACE.

NEV

ER

DIRECT

DIS-

CH

A=<

G

!:

c= MA

TER

IAL

TOWARD

BYSTAND

-

ERS,

C~

BL

,

_

D

J

~

GS

.

NEVER

A

LL

OW

ANYONE

NE

A~

•

.•

J..C

f-1

E, WH

IL

E

IN

OP

ERATION.

another free manual from www.searstractormanuals.com

0

v__

~

r

----u

FIG.

15

27

.

Refer

to Fi

g.

15.

Place

mower

clutch

lever

(W)

approximately

1"

away

from

front

edge

of

R.

H.

foot

rest

.

28.

Thread

adj

usting

pin (X)

on

snubber

pull

rod

(T) untiI

adjust

ing

wi

II

enter

lowe

r

hole

in

idler

shaft

assembly

(F).

Remove

adjusting

from

hole

and

slip

a 9/16 x 15116 x

11

Go.

flat

washers

on pin (X)

against

shoulder

.

Reinsert

wi

th

washers

in

lower

hole

of

idler

shaft

ossy

(

F).

Sec

ure w

it

h

retainer

spring

(Y).

instructions

before

operating

belt

adiustment

-----

.....

,

/8

I

~c

, '

I~~

('~0"

(

1'

it---~

\

~~

I

\

~G

\

("i..._o

I

''

...

~

FI

G.

16

,

:;;-/I

~---~

Remove

retainer

spring

from

adjusting

(A}.

Re

move

adjusting

pin (A) from

idler

frame (B)

Turn

adjusting

counter

-c

lockwis

e,

to

tighte

n

3723R-5

.3

.73

- 8 -

belt,

clockwise

to

loosen

belt.

See

Fig.

16.

Engage

clutch

lever

(

push

forward

).

Belt

is

properly

aa-

justed

when

belt

c

an

be

squeezed

together

with

thumb

and

fore

fing

er

(without

undue

pressure)

mid

way

between

engine

and

idler

pulleys.

After

2

hours

use

recheck

belt

for

proper

tension.

Replace

re·

toiner

spring

in

adjust

ing

(A).

Belt

from

center

to

outs

i

de

mandrels

is

spring

loaded

and

no

adjustment

is

necessary.

adiustment

of

snubber

(brake

for mandrels)

Refer

to

Fig.

15.

After

belt

has

been

properly

adjust-

ed,

adjust

adjusting

on

snubber

pull

rod

as

stated

below

.

Remove

retainer

spring

(Y)

holding

adjusting

pin (X) in

idler

shaft

assembly

(F)

. Remove

adjusting

pin from

idler

shaft

assembly.

Position

clutch

lever

\H)

so

that

it

is

approx

im

ately

1" from front

of

R.H.

foot

rest

as

shown.

Turn

adjusting

pin (

X)

on

snub-

ber

pull

rod

(T)

until

adjusting

will

enter

hole

in

idler

shaft

assembly.

Secure

with

retainer

spring

(Y)

. When

clutch

is

fully

d

is

engaged

(lever

pulled

back

aga

inst

foot

rest

)

blades

sho

uld

stop

quickly

.

CAUTI

ON:

Make

sur

e

that

broke

is

not

against

man-

drel pu Il

ey

when

mower

is

engaged

(

lever

pushed

forward).

Do

not

shift

gears

whil

e

going

up

steep

hill

s.

Choose a low enough gear to

climb

hill

without

stopping

and

shifting

gear

s.

If

it

is

necessary

to

stop

while

going

up

hill,

do so

quickly

to

tractor

rolling

backward.

When

starting

tractor

in

motion

going up

on

inc

I

ine,

use one

of

the

lowest

gears,

reduce

engine

speed and

engage

clutch

gradually

to

prevent

trac

tor

from

II

•

It

rearrng

up

•

level

mow

er

from

to

side

FI

G.

17

side

1.

Refer

to

F ig . 17.

Place

tractor,

with mo

wer

mounted

on

a

smooth

level

surface.

Lift

Mower

with

1

ift

lev

er

(A)

unt

iI

runners

and

gouge

wheels

ore

off

the

level

surface

. Mea

sure

the

distance

from

rear

of

housing

(B)

(at

rear

runner

attaching

points

)

to

level

surface

.

Distance

from hous ing

to

level

surface

at

each

end

of

mower

mu

s t

be

the

some.

If

not

mower

will

not

cut

leve l from

side

to

side.

another free manual from www.searstractormanuals.com

FIG

.

18

2 .

Adjust

nut

(C),

on

hanger

link

at

L.H.

side

to

level

mower.

Shorten

this

link

to

raise

L.H.

side

of

mower -

lengthen

this

link

to

lower

L.H.

side

of

mower.

Refer

to

Fig.

18.

adiust

mower

from

front

to

rear

1.

Refer

to

Fig.

18.

The

mower

should

cut

ap-

proximately

3/16"

lower

at

front

than

at

t

he

rear.

After

mower

has

been

leveled

from

side

to

side

-adjust

for

pitch

from

back

to

front.

Place

tractor,

with

tires

properly

inflated

on

a

smooth

level

surface.

Raise

mower unti I mower

and

wheels

are

in a

floating

position

.

Position

R.H.

mower

blade,

so

that

it

is

in

line

with

the

length

of

tractor.

Measure

the

height

of

the

front

tip

of

blade

-

rotate

blade

one

-

half

turn

and

measure

height

of

tip

of

rear.

The

front

tip

must

be

ap-

proximately

3/16

inch

lower

at

front

than

at

rear.

Arljust

nuts

(D)

up

or

down

to

obtain

the

above

pitch

or

difference

from fr

ont

to

rear,

Adjusting

nuts

up

will

raise

the

rear

of

mower -

lowering

nuts

wi II

lower

rear

of

mower.

Tighten

the

two

nuts

securely

against

leveling

pin.

THE

MAIN

DRIVE

BELT

(ENGINE

TO

CENTER

MANDREL)

MUST

BE

PROPERL

Y

ADJUSTED

BEFORE

OPERATING.

A

DRIVE

BELT

NOT

PROPERLY

ADJUSTED

CAN

BE

RUINED

IN

JUST

A

FEW

MINUTES

OF

OP

ERATION.

THE

MOW

ER

MUST

BE

LEVELED

FROM

SIDE

TO

SIDE,

AND

f~OM

FRONT

TO

BACK,

BEFORE

OPERATING.

THIS

IS

NECESSARY

FOR

LEV-

EL,

AND

EFFICIENT

MOWING.

operating

instructions

READ

THE

"SAFETY

PRECAUT

I

ONS"

ON

PAGE

1

CAREFULLY

BEFORE

OPERATING

YOUR

MOWER.

3722R-7

.2.73 - 9 -

CAUT

ION:

Place

tractor

shift

l~ver

in

neutral.

Di

sengage

clutch

and

be

sure

mower

belt

tightener

lever

(

A),

is

disengaged

before

starting

tr

actor

eng

i

ne

.

1.

Set

engine

speed

to

about

1/3

to

1/ 2

thro

ttle

b

efore

engaging

or

disengaging

mower.

In

either

case,

engage

or

disengage

mower

belt

tightener

l

ever

(

A),

slowly.

Afte

r mower

is

engaged,

set

to

f

ull

throttle

.

CAUTION:

Never

engage

mowe

r

excep

t when s i

tt

ing on tr

actor

seat.

2. S

tan

mo

win

g in a low r

ange

and

i

ncrease

ground

spee

d

as

co

nditi

ons

wi

II

e.ermit.

Average

cutting

heigh is

app

r

ox

i

mat

ely

2).-2

to

2%

inches

.

Height

of cut con be

ad

j

usted

by

means

of

the

lift

lever

(E . Moving the

lev

er

forward l

owers

the

mower.

Moving it

backwar

ds

raises

the

mower.

The

lever lat

ch

is

actuated

by

depressing

the

latch

bt-

t

'o

n a t the

to

p

of

the

lever

handle.

Each

f~Ot

c

h

chan

ges

the

height

of

cut

approximately

i

in

c

h,

ref

er

to

F i

g.

20,

page

10.

3. S

ho<..

ld

so

me i

nt

ermediate

height

be

desire

d.

Loose

n the

two

nut

s (B),

at

the

bottom

of

the

li

t lever .

Rotate

the l

ever

forward

or

backward

relo• ve

fo

he lift sha f

t.

Forward

movement

will

rc

se

+ e height

of

cut.

Rearward

movement

wi II

lo

,.,

er 'he he ig

ht

of

cut.

This

adjustment

will

ro'

se

o·

l

ow

er

the

cutting

range

approximately

h ';;en rhe e

quiv

alen

t

of

one

-half

notch

on

the

1"

'1 tever

quadrant

(D) .

Retighten

nuts

(B

),

se-

cure ly .

4. There

ar

e four hol

es

in

the

R.H.

and

L.H.

gauge

wh

ee

t s

up

ports

(

C,

Fig.

19). With

lift

lever

set

to

g ve d

es

ir

ed

hei

ght

of

cut

and

with

tracto

r

a

nd

~

o

w

e

r

on l

evel

ground.

Adjust

gouge

wheels

to one of the h

oles

in

gouge

wheel

supports

so

,

th

o 'ney c l

ear

the

ground

by

approximately

%

inch .

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