Case J44 Operator's Manual download pdf (Page 10)

ADJUSTMENTS

A

CAUTION:

Disengaqe

attachment

drive :ever,

stop

eng;nc

and

remove

key

alJd

spark

plug

wl

re(s)

before

making

adjustments.

1. Height

Select

i

on

Lever.

See

Figure 4 .

The

mower

cutting

height

is

adjustable

from

l

Y:."

(40

mm)

to

3Y

/'

(90

mm) in

Y:."

(12

mm)

increments.

To

change

cutting

height:

1

a. Raise

mower

i

nto

transport

position

to

relieve

weight

from

the

height

selection

lever.

b. Pull

outward

on

the

height

selection

knob.

c. Move

the

lever

up

or

down

to

the

desi red height.

d . Push

knob

i

nto

the

hole

selected.

t,

2. Gauge Whee

ls

.

See

Figure

4.

I

I

Always

operate

the

mower

wi

th

the

gauge wheels

on

the

ground

and

, all

weight

off

the

mower

lift links

to

obtain

a level

and

uniform

cut.

Be slife

the

gauge

wheels cle'ar

the

ground

when

transporting

the

mower.

..

:

..,

J

,

I

•

FIGURE

4 AD

JU

STMENTS

(Special

Lift

Link used

with

Tractor

Model

446

shown)

I I WIND

KEY

CL

OCK

WISE

3. Drive Belt

Tension.

See Figure 5.

BY HA ND

AS

F'

AR

AS

POSSIe l E ANO

PLACE

-

A

TTA

C

HM

ENT DRi v E

IN

EN GA

GE

ME

NT

POSi

T

rO

N

The

mow

er drive

belt

is

properly

tensioned

when

the

21

IN

STA

LL

B

ELT

OV

ER

front

idler

spring

has 1/8 inch (3 mm)

(approximately

P

U

LL~YS

AND

IDL

ER

PULLEYS

AS

SHO

WN

.

DECK

DRIVE

the

th

ickness

of

two

nickels) gaps

between

its coils.

DOUBLE

CHECK THA T

TH

E

PU

LLEY

BEL

T

IS

PROPERLy SEAT·

ED

IN

EAC

H

PULLEy

WIT

H

ONLY O

NE

90

DECREE

TWIS

T

BETWE

EN

SUCCEED

·

ING

PUL

LE

YS

IMPORTANT

Check

and

adjust

th

e

tens

i

on

on

a

new

belt

after

the

first

20

mi

nutes

and

the

3' WIND

KEY

COU

NTER·

CL

OCKWISE

UNT

IL SPR

IN

G

next

hour

of

mowing since it

is

normal

SH

OWS

116 INCH CAP

BE

·

TWEEN COILS

AS

VIEWEO

for a

belt

to

stretch

slightly

during

its

FROM

THE

SlOE. T

HE

TVt'

O

I

DL

ER

PULLEYS

SH

OULD

BE

initial

run·in

period.

A PPROX .

[VFN

OR

CL

OSE

SP

RING

TO

A

COMMON

CENTER

:si

LINE

••

~

.

IDLE

RPU

LLE

YS

To

increase

the

belt

tension,

turn

the

adjusting

key in

I)

LOOSEN

EY

4.

AT

P

ERI

ODIC

INT

ERV A

LS

a

counterclockwise

direction

while facing

the

front

of

R

EC

H

ECK

FOR

1/8

IN

CH

I

~l

BETW

EE

~

CL

EA RANCE

the

tractor.

TI

GHTEN

~

C

OIL

S ANO

ADJUS

T "'S

R

EQUI

REO

To

decrease

the

belt

tension

or

to

install

or

remove·

the

belt,

turn

the

adjusting

key clockwise.

FIGURE

5

10

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 18 19

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