Case K40, K44, K46 Operator's Manual

~/~

~

-

C11('

~

H

ROtARY

MOWER

K40,~K46

Written I n

Clear

And

Simple
English

Operator's Manual

9-51560

J I

Case

A Tenneco

Company

1\

\

r----.

IF

THIS

MACHINE

IS

USED

BY

AN

EMPLOYEE

OR

IS

LOANED

OR

RENTED,

MAKE

ABSOLUTELY

CERTAIN

THAT

THE

OPERATOR(S),

PRIOR

TO

OPERATING:

1.

fS

fNSTRUCTED

fN

SAFE

AND

PROPER

USE.

2.

REVfEWS

AND

UNDERSTANDS

THE

MANUAL(S)

PERTATNfNG

TO

THE

I\1ACHfNE.

751253

BEFORE

STARTING

ENGINE

STUDY

OPERATOR'S

MANUAL

SAFETY

MESSAGES

READ

ALL

SAFETY

SIGNS ON

MACHINE

CLEAR

THE

AREA

OF

OTHER

PERSONS

LEARN

&

PRACTICE

SAFE

USE

OF

CONTROLS

BEFORE

OPERATING

IT

IS

YOUR

RES

PON

SIBILITY

TO

UNDE

RST

AND AND

FOL LOW

MAN

U F

ACTURER'S

INSTRU

CTIONS

ON MACHINE

OPERAT

IO N .

SERVICE,

AND

TO O

BSERVE PERTINENT LAWS

AND

REGU

LAT. IO NS.

OPE

RATOR

AN D SERVICE

MANUA

LS

MAY

BE O BTAIN

E D

FROM

YOUR E QUI

PMENT

DEA

LER.

SAFETY

MESSAGES

Regard

your

lotary

mower

as

<J

CAUTION:

Fill

gas

tank

out

of

piece

of

power

equipment

anci

be

doors and avoid

spilling

gasoline.

sure this manual

is

read and under-

Do

not

fill

tank

with

gasoline

while

stood

by

all

who

operate It.

A

A

smoking

or

while

engine

IS

running

.

CAUTION:

Never allo w

children

h

A

Maintain

your

tractor

and I

otal

y

or

young

teenagers

to

opel ate

the

..

mower

In

top

operating

condition.

tractor

and

rotary

mower

A

CAUTION:

Unbalanced blades are

a hazard and

will

cause

premature

wear and

failure

of

bearings and

spindles.

If

the

blades

cannot

be

balanced

by

resharpening, replace

them

with

new

ones.

A

CAUTION:

Never

g-et

011

or

off

the

tractor

while

the

mowel

IS

running.

-

3-

,

CAUTION:

Disengage

attachment

h.

A

CAUTION:

Give

complete

and

un- - drive lever,

stop

engine

and

remove

..

divided

attention

to

the

job

at

hand.

key

and

spark

plug wire(s)

before

making

adjustments.

CAUTION:

Shut

off

engine,

allow

CAUTION:

Stop

engine,

disengage

engine

to

cool

and

remove

key

and

attachment

drive,

set

parking

brake

spark

plug

wire(s)

before

replacing

and

remove

key

when

tractor

is

mower

drive

belt.

unattended.

A

A

CAUTION:

Disengaqe

attachment

A

rn

drive

cl

utch

when

someone

ap-

CAUTION:

Do

not

allow

anyone

proaches

or

whenever

the

mower

other

than

the

operator

to

ride

on

is

being

transported.

the

tractor.

A

CAUTION:

Be

sureyoll

knowhow

to

~top

the

tractol

Jnd

mower

at

il

moments

notice.

m

CAUTION:

Stop

and

inspect

the

mower

for

damage

immediately

af-

ter

striking

a foreign

object

and

repair

damage

before

restarting

and

A

operating

the

machine.

WARNING:

Improper operation

of

your tractor

on

hillsides and

slopes

can

be

dangerous. Avoid improper

operation!

Read

and

follow the in-

structions

given

in

the section ti-

rn

tled "Hillside Operation"

in

this

DANGER:

Spinning Blade. Keep

manual before operating your trac-

clear. Contact

can

injure.

tor.

IMPORTANT:

Always

install

new

decals

whenever

the

old

decals

are

destroyed,

lost,

painted

over

or

illegible . When individual

parts

are

replaced

that

have decals

attached,

be

sure

to

install a

new

decal

with

the

new

part.

Replacement

decals are

a-

vailable

from

your

Case

dealer.

- 4 -

Avoid

operating

the

mize
and/or
tices

These

1. Reading,

2. Learning

3. Knowing

possib ility

rough

and

good

include:

messages
operator's

from

EXPERIENCE

rectly.

tractor.
tractor

tractor

terrain,

common

understanding,

appearing

manuals.

from

your

Know

your

the

terrain

There

are

cannot

be

on

hillsides

of

accidents

obey a combination

sense.

and

on

decals

operator's

how

to

tractor's

on

which

terrain

operated!

and

while

obeying

on

manual

operate

limitations.

you

conditions

HILLSIDE

slopes.

operating

of

all

written

the

mach

your

are

operating

on

To

on

rules, prac·

safety

ine

and

and

carefully

tractor

which

(SLOPE) OPERATION

mini·

hills

in

cor-

your
your

Read,

Understand,

Safety

erator's
!QLfmerator
are
an

learn

Learn
and
how
be

Learn
tions.

a.

messages are

manuals. These

studied

operator

to

OJ:1erate:

your

from

to

properly

done

in a

your

These

amount

Obey:

to

be

of

before

starting

not

familiar

tractors

instructions

manipulate

flat

area,

tractors

include:

of

engine

found

on

l!ll:!.U

value.

and/or

with

controls

in

the

clear

operating

power

available

the

tractor

be

understood

Be

sure

that

operating

this

particular

from

decals

operator's

these

controls.

of

obstacles

characteristics

and

by

these

the
tractor.

on

the

manual.

Practice

and

bystanders.
and

in

the

the

trac-

messages

tractor

tractor

Practice

must

limita-

op-

by

4. Learning
Adding
tractor

Rain,
tractive
your

operating

terrain.

The

following

a

time.

Read

not

all inclusive

the

requ

irements

your

tractor.

A

tractor,

at

angles

1974

(American

was

made

equipment

may

This

which

your

to

expect

or

removing

will

make

snow,

loose gravel,

conditions

paragraphs

and

but

the

same

prescribed

National

with a

and

on a perfectly

not

be

tractor

changes

attachments

your

tractor

wet

of

the

terrain

technique

study

will give

for

avoidi

as

your

by ANSI B71.1 -

stationary

representative

will

operate

or

will

cover

them.

you

ng

model,

Standards

.

The

tractor

in

operating

or

perform

grass,

requiring

not

to

these

examples

a firm

accidents

passed a

1972

Institute)

smooth

of

the

conditions.

weight

etc.,

operate

practices one

understanding

wh ile

without

and

to
differently.
change

changes in

provided

operating

stability

and

B71. 1 a -

. This

mounted

hard

surface

conditions

on

your

the

that

at

are

of

test

test

on

b.

engine

governor

c.

tractive

steering

d.

e.

braking

f.

movement

g.

forward

h.

speed

I.

and

Attempting
the

Know

.

Know
obstaCles by walking

prior
as,

and

of

others

tractor's

the

the

to

operating

rocks,

illY

well

abil ity

characteristics

characteristics

and

attachment

Terrain:

terrain

ruts

response

of

travel lever

reverse

ground

lift

any

operation

I im;'tation

on

your

or

holes with a 6 ft. long

clear

of

is

risking

which

through

tractor

these

which

obstacles

speeds

you

approaches

an

accident

are

working

and

on

it. Mark

when

.

. ,

Find

inspecting

obstacles,

pole

operating.

or

and

exceeds

hidden

the

area

such

red

flag

THE

OPERATOR

DEGREE
BE
TRACTOR
TICULAR
SLOPE! COMMON

OF

SAFELY

CAN

SLOPE,

IS

THE

SLOPE

OPERATED.

ON WHICH

BE

SAFELY
DO

SENSE

SOLE

IF

IN

OPERATED

NOT

MUST

JUDGE

THIS

DOUBT

OPERATE

PREVAIL.

AS

TO

TRACTOR

THAT

ON A PAR-

ON

THE
CAN

THIS

THAT

- 5 -

Operate

sure

complete

Place
control
speed

.

your

the

transmission

lever slowly

tractor

control

at a ground

at

all

times

in

low

range

and

smooth

speed

.

and

Iy

to

slow

enough

regulate

mainta

in

the

th

to

travel

is

safe

in-

Always drive in a
downhill.
hill
and

always

Your
final word in
hill
OFF

Under

attempt

You

cannot

has

Learn

Never drive

to

the

desired

tilt

bed

trailers. If necessary

turn

downward

judgement,

deciding

or

slope. If

THE

no

to

may

be

operated

to

you

SLOPE.

circumstances

use

your

encounter

operated

there

Compensate for Changes

tions:

Adding
weights
tion
operating

Be
after

or

or

of

your

characteristics.

alert

to

each

removing

fluid)

tractor

these ch anges. Practice

change

forward

up

position.

.

based

if

are

should

tractor

some

even if a

in

the

attachments

change

and,

has

been

direction

a hill. If necessary, back

Always

on

operating

you

should

in

doubt

an

on

slopes

terrain

different

past.

the

weight

therefore,

made.

when

proceeding

back

up

loading

to

turn

while

experience

negotiate

about

safety -STAY

inexperienced

or

hillsides.

on

which

your

piece

of

equipment

in

Operating Condi-

or

ballast (such as wheel

and

weight

change

operati

your

ng

the

up

ramps

on

a hill,

is

any

given

operator

tractor

distribu-

tractors

tractor

the

Adding

a

reduces

ment
on
to

You
ted

Tractive
equipment.

Areas

than
slippery
are

Spinning
The

the
stability
abrupt

The
judgement.

If

an

attachment

the

weight

(weight)

the

rear

of

the

front

must

add

attachment

conditions

wet

with dew, rain

when

dry. Areas

than

firm

required

addition

rear wheels in

final

in

rear wheels

in

starting

doubt

in

of

the

word

of

(weight)

on

the

to

the

front

the

tractor.

if a

rear

mounted

counterweight

is

installed .

will vary with

covered

dry

ground.

these

slippery

tend

tire

chains

the

forward-reverse

sideways

and

in safe

your

direction.

stopping.

tractor

safey -

to

the

rear of

front

axle.

Adding

of

the

tractor

You

must

add

attachment

to

the

rear if a

weather

or

snow

will be

with loose gravel are

Greater

areas.

to

move

will provide

STAY

stopping

the

tractor
more

direction

Chains will cause

operation

OFF

TH E SLOPE

the

tractor

an

attach

reduces

counterweight

and

is

front

terrain

more

traction

rests

weight

installed.

moun-

slippery

more

distances

sideways.

but

more

on

your

.

-

and

to

less

f

- 6 -

INTRODUCTION

This operator's manual
K46

rotary

mower. This operator's manual includes:

a.

Safety

Rules

b.

Installation Procedure

c.

Operating Procedure

d. Adjustments

e.

Maintenance

G

is

for

MODEL

K40

K46

the Model K40, K44, and

ATTACHMENT

SIZE

38"

(965 mm)

44"

(1115 mm)

48"

(1220 mm)

Read

this manual before operating

See

your

The words
manual indicate directions when you
seat

in the normal operating position.

APPLICATION

TRACTOR
(Beginning

210, 220, 222, 442

MODEL

with

J I

Case

dealer

"Right,

Left,

CHART

P.I.N. 9646800 )

for

parts or repairs.

Front

your

and Rear"

are

rotary mower.

as

used

in this

in the operator's

222,224,442,444,44~644,646,648

224,444,446,448,644,646,648

TRACTOR

ALL

SPECIAL

MODEL

B

ELT APP

TRACTOR MOD

210 All
220 Before P.I.N. 9656747
220 P.I.N. 9656747 and after
222 Before P.I.N. 9658189
222 P.I.N. 9658189 and after

All

224

442

All
444 Before P.I.N. 9661261
444

P.I.N. 9661261 and after

446,448

644 Before P.I.

644 P.I.N. 9698343 and after
646,648

" Belts included

All

All

EL

N.

9698343

with

your

INFORMATION

Lift

links

included

with

tractor.

LICATION

tractor

.

CHART

*

BE

LT

PART NUMBER

C23358
C23807
C23358
C23807
C23358
C23358
C23809
C23809
C23359
C23359-t­C23807
C23810
C23808

INSTALLATION
BEFORE PRODUCT

IDENTIFICATION

TRACTOR

MODEL

220, 222
442,444

01\1

TRACTORS

NUMBER 9646800

USE

H-38
H-39

KIT

NOTE: Part numbers can change.

Dealer.

- 7 -

See

your

J I

Case

OPERATING CONTROLS

ATTACHMENT

CLUTCH

LEVER

The

rotary

mower

is

started

and

stopped

with

the

attach-

ment

clutch

lever.

See

your

tractor

operator's

manual

for

correct

use

of

your

tractor

controls

.

ATTACHMENT

LIFT

LEVER

The

rotary

mower

is

raised

and

lowered

with

the

attach-

ment

lift

lever.

HYDRAULIC

LIFT

When

mowing,

put

the

attachment

lift lever in

the

"LOWER"

position

until

the

lift

arms are

midway

in

the

lift

link

slots.

ATTACHMENT

LIFT

HEIGHT

SELECTOR

LEVER

See

your

tractor

operator's

manual

for

correct

use

of

your

tractor

controls

.

HEIGHT

SELECTOR

LEVER

The

cutting

height

is

controlled

by

the

height

selector

lever.

TO

INCREASE

THE

CUTTING

HEIGHT

: Disengage

the

pin

and

pull

the

height

selector

lever up.

TO

DECREASE

THE

CUTTING

HEIGHT:

Disengage

the

pin

and

push

the

height

selector

lever

down.

TRACTOR

TRAVEL

LEVER

HIGH-LOW

FIGURE 1 (MODEL

222

WITH

MODEL

K44

ROTARY

MOWER)

OPERATION

1. See

the

"ADJUSTMENTS"

and

"MAINTENANCE"

5.

Get

on

and

get

off

the

tractor

correctly.

Never use

the

sections

of

this

manual

before

operating

your

rotary

lawn

mower

frame

for a step.

mower.

2.

See

your

tractor

operator's

manual

for

correct

use

of

you r tractor

controls.

WARNING:

Be

sure

that

the

at-

3. Learn

to

operate

the

tractor

and

rotary

mower

in an

tachment

drive

clutch

is

off,

the

area

clear

of

persons

and

obstructions.

engine

is

shut

off,

the

key

removed

and

the

blades have

stopped

spin-

4.

Check

the

work

area

for

obstructions. Remove

the

ning

before

attempting

to

clean a

A

small

obstructions.

Mark

the

large

obstructions

so

you

plugged discharge

chute

.

can see

them.

Do

not

hit

the

large

obstructions

.

- 8 -

TO

GET

put

a.

b.

put

put

c.

d. swing

TO

GET

put

a.

b.

put

put

c.

ON

THE

your

right

your

right

your

left

your

left

ON

THE

your

left

your

left

you r right

TRACTOR

foot

on

hand

on

hand

on

leg

between

TRACTOR

foot

on

hand

on

hand

on

the

the

the

the

the

the

FROM

right

steering

seat

back

the

steering wheel

FROM

left foot

steering

seat

back

foot

rest

wheel

THE

rest

wheel

THE

RIGHT

LEFT

SIDE:

and

SIDE

seat

:

A

7.

Lower

sure

the

in

the

lift

lawnmower

the

lawnmower

lift

arms
links. This
.

Be

eel tJIIl

Illowel has

the

Safety

manual.

to

are

located

permits

whoever

I ead and undel

Rules

the

in

III

the

cutting

the

center

free

operdtes

flOllt

position

movement

stands
of

this

of

the

till'

. Make

slots

of

the

d. swing

Use

seat

the

you

reverse

A

Start

6.

CONDITION

the

tachment

r right leg

procedure

CAUTION:
the
luniling

rotary

clutch

mower

lever.

between

to

tractol

by

the

steering

get

off

the

Never get 011

while

smoothly

Mowing

correct

chart

:

tractor

the

1ll0WCI

engag i

conditions

operating

wheel

.

01

off

IS

ng

the at-

MOWING

can

methods

and

CONDITIONS

be

different

according

tractors

On
ment

lift

. You

to

METHOD

with

lever in

must

the

hydraulic

the

"FLOAT"

use

the

following

I ift,

position

do

not

put

the

attach

·

.

1.

Short

or

thin

grass.

- 9 -

1. a. move
needed.

b. move

and

c.

adjust

d.

you
lector

overload

an
too
rectly if

the

height

selector

the

throttle

full

throttle.

ground

may

in

hot

speed

decrease engine speed

the

"HIGH"

to

the

and

the

rotary

the

engine

lever

as

needed.

position

engine.

is

operated

lever

to

the

to a position

or

put

if this

The

engine will

mower

will

with

an overload.

cutting

between

the

doesn

not

work

height

3/4

range se-

't cause
become

cor-

CONDITION

METHOD

2.

Long

or

thick grass.

3. Wet grass.

4. Rough terrain.

5. Cu

tting

near objects.

.:a..

"-...;

'

~

-

6. When grass will

not

be

swept

.

7. When grass will be

swept.

8. Wind.

2.

a.

move

the

height

selector lever

to

the

highest posi-

tion.

b. increase engine speed

to

the

"FULL

THROTTLE"

position .

c. reduce ground speed.

d.

cut

long

or

thick grass twice.

e.

operate

with

the

chute

facing

the

cut

area.

3.

a.

do

not

cut

wet

grass.

4.

a.

raise

the

mower

into

the

transport

position.

b.

put

the

gauge wheels

in

the

"M"

position

.

c.

operate

the

mower

in

the

transport

position

to

keep

the

gauge wheels

off

the

ground.

d. reduce

ground

speed.

5. a. use

the

right side

of

the

rotary

mower.

The

cut

material will be moved

away

from

the

object.

6. a.

operate

with

chute

facing

the

cut

area.

7. a.

operate

with

chute

facing

the

uncut

area.

b.

the

grass will be

in

one

strip

and can be removed

with a sweeper.

8.

turn

the

tractor

so

the

wind will move grass away from

you.

FIGURE

2

FIGURE

3

. 1 0 -

ADJUSTMENTS

FIGURE

4

A

CAUTION:

Disengage

attachment

drive

lever,

stop

engine

and

remove

key

and

spark

plug vvlre(s)

before

making

adjustments.

HEIGHT

SELECTOR

LEVER.

(See Figure

4.)

You

can

adjust

the

lawnmower

height

with

the

height

selector

lever.

TO

CHANGE

THE

CUTTING

HEIGHT:

1.

Raise

the

lawnmower

into

the

transport

position.

This

will

decrease

the

weight

on

the

height

selector

lever.

2. Pull

outward

on

the

pin.

3.

Move

the

lever

up

or

down

to

the

needed

height.

4.

Push

the

pin

into

the

hole

selected.

GAUGE

WHEELS.

(See

Figure

4.)

SMOOTH

TERRAIN

1.

Always

operate

the

rotary

mower

with

the

gauge

wheels

on

the

ground.

Make

sure

all

weight

is

off

the

lift

links

for

the

rotary

mower.

The

lift

links

must

move

freely

to

cut

level

and

even.

2.

The

gauge

wheels

must

not

contact

the

ground

while

the

lawnmower

is

in

the

transport

position.

ROUGH

TERRAIN

1.

Operate

the

rotary

mower

in

the

transport

pOSitIOn

and

with

the

height

selector

lever in

the

"M"

position

.

2.

Reduce

ground

speed.

DRIVE

BELT

TENSION.

(See Figure 5.)

The

belt

tension

is

correct

when

the

gap

between

spring

coils

is

equivalent

to

one

wire

diameter.

TO

INCREASE

BELT

TENSION: Turn

the

adjusting

han-

dle

counterclockwise.

TO

DECREASE

BELT

TENSION:

Turn

the

adjusting

handle

clockwise.

IMPORTANT:

Check

the

belt

tension

after

the

first

hour

of

use.

Adjust

the

belt

tension

if

necessary.

Before

each

use,

check

the

belt

tension

and

adjust

if necessary.

1)

WINO

KEY

CLOCKWISE

By

HAND

AS

FAR

AS

POSSIBLE

AND

PLACE

ATTACHMENT

DRIVE

IN

ENGAGEMENT

POSITION

DECK DRIVE

PULLEY

2)

INSTALL

BELT

OVER

PULLEYS AND IDLER

PULLE

YS AS

SHOWN

OOUBLE

CHECK

THAT

THE

BELT

IS

PAOPERl

Y

SEATED

IN

EACH

PULLEY

WITH

ONLY

ONE

90

DE ·

GAEE

TWIST

BETWEEN

SUCCEEDING

PULLE

YS

3)

WINO

KEY

COUNTER

.

CLOCKWISE

UNTil

GAP

BETWEEN

SPRING

COi

lS

SPRING

IS

EQUIVALENT

TO

SPRING

WIRE

DIAMETER

IDLEA

PULLEYS

EY

~LOOSEN

~

II

41

AT

PERIODIC

INTEA

·

VA

lS

RECHECK

FOR

TI

GHTEN

l5

CORRECT

CLEARANCE

BETWEEN COILS AND

ADJUST

AS

REQUIRED

This

will

keep

the

gauge

wheels

from

contacting

the

FIGURE

5

ground.

-

11

-

LAWNMOWER

FRONT

TO

REAR

LEVEL.

3. Measure

the

distance

from

the

blade

ends

to

the

level

(See Figure 6.)

surface.

Make sure

you

measure

as

near

the

blade

end

Smooth

cutting

and

minimum

horsepower

consumption

are a result

of

a level

rotary

mower.

BEFORE

STARTING

THE

PROCEDURE:

1.

Put

the

tractor

and

rotary

mower

on a level

surface,

like a

concrete

floor.

2.

Put

the

heightselector

lever in

the

"M"

position.

3.

Lower

the

lawnmower

to

the

cutting

position.

TO

RAISE

THE

FRONT

OF

THE

LAWNMOWER:

1. Loosen

the

rear

nuts

that

hold

the

leveler links.

2.

Turn

the

two

front

nuts

rearward

an equal

number

of

turns.

TO

LOWER

THE

FRONT

OF

THE

LAWNMOWER:

1.

Loosen

the

front

nuts

that

hold

the

leveler links.

2.

Turn

the

two

rear

nuts

forward

an

equal

number

of

turns.

TO CHECK

FOR

LEVEL

:

1.

Rotate

the

blades until

they

are parallel

to

the

trac-

tor

frame

from

front

to

rear.

2. Make

sure

the

nuts

on

the

leveler links are tight.

as possible.

The

lawn

mower

is

level

when

both

front

and

rear

blade

measurements

are

the

same.

The

front

end

may

be

1/8"

(3

mm)

lower

than

the

rear

end.

Never

permit

the

rear

end

to

be

lower

than

the

front

end.

This will

cause

more

than

normal

power

consumption.

LAWN MOWER SIDE

TO

SIDE

LEVEL

(See Figure 6.) I

Make sure

the

problem

is

not

the

air pressure in

the

tires.

The

air

pressure

in

both

tires

must

be

correct

and

equal.

Lawn

mower

side

to

side level

is

adjusted

at

the

factory.

If

additional

adjustment

is

necessary:

1.

make

sure

the

lawn

mower

is

level

"front

to

rear"

2. move

the

tractor

and

lawn

mower

to

a level surface

3. move

the

height

selector

lever

to

the

"M"

position

4.

lower

the

lawn

mower

to

the

cutting

position

5. I oosen

the

two

bol ts

that

fasten

the

guage wheel car·

rier

to

the

lawn

mower

6. raise

or

lower

the

carrier

as

required.

Make

the

holes

larger if

additional

adjustment

is

needed.

7.

tighten

the

bolts

ADJUST NUTS

REARWARD

TO

RAISE

FRONT

OF MOWER

FIGURE

6

- 12 -

MAINTENANCE

A

BLADE

Before

check

tight.

bolts
lock
check

BE.

Oleck

on

foreign

The

1/8"

Align

in a similar way.

Bent

MOWER

BOLTS. (See Figure

you

operate

the

bolts

After

the

again. Each

washers

NT

the

ends

(3

blades will leave

under

again

after 8 hours

BLADES.

for a bent

tractor.

material.

of

the

mm)

difference

two

blades

GAUGE

CAUTION:
drive
key
making

the

holding

first

eight

time

the

the

(See

Figure

blade

Check

the

blades

as

shown

Replace

strips

WHEELS.

lever,

stop

and

spark

adjustments

7.1

lawn

the

blades.

hours

blades are

bolt

heads.

of

operation

7.)

before

you

blades

must

be aligned

is

acceptable.

in

Figure

all

bent

of

grass

(See

Disengage

engille

plug

mower

of

operation,

removed,

Tighten

.

install

for

damage

7.

blades.

not

Figure

for

The

attachment
and

remove

wlle(sl

cut.

before

the

first

bolts

install

the

the

lawn

after

horizontally.

Check

all six

8.)

must

check

bolts

mower

you

time,

be

the

new

and

hit

A

ends

BElT

REPLACEMENT

(See Figure 8.)

1.

Remove

2. Release
on
wrench

the

the

the

nut

towards

MOWER

TIPS

1/8"

HORIZONTAL

chassis

idler

which

MUST

(3

mm)

belt

pulley

holds

the

front

BLADE

BE

FIGURE

ON

guard.

BOLTS

WITHIN

OF

SAME

LINE.

7

THE

lAWN

tension. Put

the

idler

of

the

chassis.

MOWER

a

9/16"

pulley.

CHASIS.

wrench

Rotate

the

Two

acceptable

lubricate

a.

Remove

bushings.
Apply

b.

the

gauge wheels.

gauge lNheels

let

the

methods

the

the

oil every

to

oil

flow

of

lubrication

gauge

wheels every

gauge lNheels

four

hours

You

do

apply

oil.

Tilt

into

the

bushings.

to

to

the

not

the

:

eight

apply

bolts
need

lawn

hours

grease

and

bushings

to

remove

mower

of

use.

to

the

of

the

chassis.

3.

Remove

4.

Put
idler

5. Manually
the

6. I nstall chassis bel t

the

old

the

new

pulley.

rotate

belt. Make

belt

sure

belt.

around

the

the

guard.

belt.

idler

the

three

Check

pulley

spindle

for

has

free

tension

pulleys

movement

.

and

of

FIGURE

(

K44

8

MOWER WITH

BELT

.

13·

GUARD

REMOVED

FOR A CLEAR

VIEW

SHARP

Stop
while
check

A

of

See Figure 9
The

BLADES. (See Figure 9.)

the

engine. Wait

you

check

for

damage

blade

that

grass can resul t.

cutting

is

for

edge

for

the

lawn

or

blade

worn

can give a rough

the

correct

must

be

all

mower

wear.

at

least

motion

blades.

angle

3-1/2"

to

cut

of

stop. Be

After

and

the

cutting

(90

mm)

each

brown

long.

careful

job

areas

edge.

CLEANING

Large

amounts

1. cause

2.

3.

4.

more

cause

an

cause a bad

cause

corrosion

THE

LAWN MOWER

of

grass in

than

normal

obstructi

cutting

on

job

CHASSIS

the

blade chassis will:

horsepower

consumption

",;,.;:·>\7:;;;·

CORR

OF

SHAR

CUTTING

NOTE:

After
tool as
pos i

The

center

Check

grinding a blade,

shown

tion.

,~,;;

~

ECT

ANGL

PENED

EDGE

K46
lengths.
than

the

Make

sure

spindle.

Manually

for

plete

turn.

. A

lawn

The

center

outsiqe

the

rotate

correct

balanced

E

WRONG

SHAR PEN
EDGE

FIGURE

mower

blade

blades.

shorter

the

clearance

check

blade

lk5"itig:

:,~

··

¥:\

.~

ANGLE

CUTTING

9

blades have

is

1"

(25

mm)

blade

is

installed

blades

after

installation

th

rough

for

balance

will

. Use a

stay

in a horizontal

'ii'

TO

different

shorter

on

the

one

com-

balance

5. damage bearings

or

seals

DANGER:

clear.

Contact

Spinning

can

injure.

Blade.

Keep

rn

Stop

the

engine. Wait

tion

when

you

check

ly

check

and

clean

between

TRACTOR

Complete

.

ance

CHECK

1. Fins

2.

3. Air

Air

the

are in

AND

of

intake

cleaner

blade

AND

instructions
your

tractor

CLEAN

the

heat

screen

element.

for

the

the

chassis.

mounting

ENGINE

for

operator's

DAILY:

exchanger.

of

the

all

motion

lawn

mower

Remove

plates

MAINTENANCE

tractor

engine.

to

chassis. Periodical-

and

spindle housings.

and

manual.

stop.

the

grass

engine

Use cau-

wound

mainten-

CAUTION:
a hazard
wear
spindles.

A

balanced

them

FIGURE

and

and

by

with

10

Unbalanced

will cause
failure
If

the

blades

resharpening,

new

ones.

of

blades

premature

bearings

cannot

replace

are

and

be

14-

-

During

cleaner

ment a longer

The
See Figure 11.

dust

or

fits

over

precleaner

dry

the

life.

can

conditions

air

cleaner

be

washed

use a

element

with

precleaner.

and

gives

detergent

and

The

the

water.

pre-

ele-

PRECL~~,.~

FIGURE11

TIRE

AIR

PRESSURE

the

tires

at

the

Keep

tor

operator's

correct

manual.

air pressures.

See

your

trac-

ASSEMBLY

1.

Remove

damage

the

components

or

missing parts.

from

the

box.

INSTALLATION

Check

for

3. Use

cotter

pins

bracket.

NOTE: On Model

link

See

is

Figure 13.

fastened

to

446

fasten

and

to

the

448

the

lift

links

tractors,

R.H. side

of

to

the

the

the

mounting

offset

tractor.

lift

NOTE: Do

2.

The

belt

and

lift

links

for

your

with

your

mower

tractor.

NOTE:

are

Belt

included

and Iift

links

included

with

not
lawn
easier

the

tractor.

tractor.

assemble

mower

to

first install

the

chassis as

mounting
shown

the

mounting

bracket

in Figure 13.

bracket

to

It

the

is

on

FIGURE

~-----

12

MODEL

K44

MOUNTING

ROTARY

.

15

/

MOWER·

.

BRACKET

DISASSEMBLED

MOUNTING

BRACKET

FIGURE

13

MODEL

K44

ROTARY

MOWER - ASSEMBLED

NOTE: DO

NOT

ASSEMBLE

MOUNTING

BRACKET

TO MOWER CHASSIS AS SHOWN.

REFER

TO

STEP 3 -

ASSEMBLY.

INSTALLING

1.

Put

the

tractor

on

a level

surface

like a

concrete

floor.

2.

Completely

turn

the

belt

adjuster

handle

counter-

clockwise. This will

permit

mounting

clearance

at

the

front

axle. See Figure

14_

TIGHTEN

BE

L T

FIGURE

14

BELT

ADJUSTMENT

- 16 -

3.

See

Figure 15. Put the

mounting

bracket under the

front

of

the tractor.

Raise

and install the

mounting

bracket on the

mounting

pins. Align the holes in the

,

mounting

bracket

with

the "snap fast

pins".

Release

the "snap fast

pins"

to

hold

in place.

NOTE: Model

644,

646 and

648

tractors do

not

have

"snap fast

pins".

Use

two

clevis pins and

two

safety pins.

4.

Completely

lower

the

lift

arms on the

tractor.

On

all

models except the

446

and 448,

put

the

lift

links on

the inside

of

the

lift

arm.

See

Figure 15. Put a plain

washer on the clevis pins. From the inside install:

a.

through the slot in the

lift

link

,

b.

throught

he

front

hole in the

lift

arm

c.

fasten on the outside

with

a safety pin

On

Model

446

and

448

tractors the

left

lift

link

is

install-

ed

using the above procedure.

Use

the

offset

lift

link

on the

right

side.

To

install:

a.

put

lift

link

on outside

of

lift

arm

b.

install clevis pin

from

the inside

c.

fasten

with

washer and safety pin

5.

Raise

the

lift

arms

into

the transport position.

TRACTOR

ANCHOR

PIN

OFFSET

LIFT

LINK

INSTALLATION

FOR

MODEL

446

AND

448

TRACTORS

FIGURE

15

MOUNTING

THE

K44 MOWER

MOUNTING

BRACKET

-17

-

.-

6.

Put

the

height

selector

lever in

the

"L"

position.

From

CAUTION:

Shut

off

engine,

allow

the

right side,

sl

ide

the

lawnmower

under

the

tractor.

engine

to

cool

and remove

key

and

Align

the

mounting

tabs

with

the

mounting

bracket.

spark plug wire(s)

before

replacing

mower

drive

belt.

A

Raise

the

lawn

mower

to

the

"M"

position.

Lower

the

mounting

bracket

to

the

lawn

mower

chasis.

See

Figure

16.

7.

Fasten

the

leveler links

to

the

mounting

bracket

as

shown

in

Figure 16.

8.

Connect

the

tab

on

the

lawn

mower

to

the

mounting

bracket

. Use

two

clevis pins

and

safety

pins.

NOTE: Manually

lift

the

lawn

mower

to

align

the

brack-

et

and

tab

holes.

9. Before

you

install

the

belt:

a.

stop

the

engine

b. remove

the

ignition key

c.

permit

the

engine

to

cool

d. engage

the

attachment

drive

clutch

(to

allow

belt

to

pass)

e. raise

the

hood

and

remove

the

spark plug wire

10.

To

install

the

belt:

a. pull

the

belt

up

in

front

of

the

idler

pulleys

b.

pull

the

belt

up

and

between

the

heat

exchanger

and

the

fan

c.

put

the

belt

on

the

pulley

of

the

attachment

drive

clutch

d.

turn

the

belt

adjuster

lever clockwise

to

allow

the

belt

to

go

around

the

idler pulleys

e.

align

the

belt

on

the

idler pulleys

f.

put

the

belt

on

the

pulley

of

the

lawn

mower

11. Make sure

the

belt

is

correctly

located

on

each

pul·

ley.

See

Figure 5.

12.

Turn

the

adjuster

lever

counterclockwise

to

tighten

the

belt.

The

belt

tension

is

correct

when

the

gap

between

spring coils

is

equivalent

to

one wire

diameter.

IMPORTANT:

Before

operating

the

lawn

mower,

read

and

follow

the

Adjustments

and

Main-

tenance

sections

of

this

manual.

FIGURE

16

MOUNTING

THE

K44

MOWER CHASSIS

-

18·

TROUBLESHOOTING

CHART

Obstruction

1.

Blades

2.

Engine

3.

Travel

4.

Grass

5.

Drive

6.

Attachment

7.

Lawn

1.

not

speed

speed

too

long.

or

chassis

mower

in

sharp

too

too

drive

chassis

POSSIBLE

bottom

.

slow

fast.

belt

clutch

POSSIBLE

LAWN MOWER

of

mower

.

slippage. 6.

slippage.

CAUSE

not

level

CAUSE

chassis.

side

to

NOT

LAWN

side.

CUTTING

MOWER

EVEN

CUTS

OR

LEAVING A STRIP

1.

Remove

Cutting

2.
mm)

3.

Adjust

Decrease

4.

Cut

5.

height.

Check

7.

Adjust

HIGH

Adjust

1.

sure) .

twice.

ON

chassis

edge

long.

engine

belts.

or

ONE

side

travel

repair

COR

and

must

speed

speed.

First

at

Adjust

attachment

SIDE

CORRECTION

to

side

OF

GRASS

RECTION

clean.

be

sharp

to

3600

highest

tension

level (first

or

and

RPM.

position

replace

drive

check

at

least

.

clutch.

for

then

equal

3-1/2"

at

needed

tire

(89

pres-

1.

2.

3.

4.

1.

BI

ades

Lawn

Blades

Blade

Chassis

not

sharp.

mower

installed

not

straight.

belt

POSSIBLE

chassis

upside

POSSI BLE

broken.

not

level

down

TOO

CAUSE

front

.

CAUSE

MUCH

to

rear.

POWER

CENTER

The

J I Case

right

to

design

or

at

any

time

obligations
previously

CONSUMPTION

Make

1.

Chassis

2.

front

Install

3.

ting

4. Replace blade.

BLADE

make

changes

sold.

ONL Y CUTTING

1.

Company

improvements

in

without

to

install

Replace

reserves

specifications
incurring

them

AND

blades

must

(first

correctly.

edge

on

units

CUTS

must

belt.

the

in

any

BADLY

sharp.

be

level

check

air

lead.

CORRECTION

CORRECTION

or

no

lower

pressure

Blades

in tires) .

rotate

•

than

1/8"

(3

counterclockwise.

mm)

in

Cut-

Printed

in U.S.A.

11-81-0G-6500

- 19 -

"\