Case J44 Operator's Manual download pdf (Page 12)

MAINTENANCE

A

CAUTION:

Disengage

attachment

drive lever,

stop

engine

and

remove

key

and

spar'k plug wire(s)

before

making

adjustments,

1.

Mower Blade Bolts. See Figure 7.

Before

operating

the

mower

for

thE'

first

time,

check

the

bolts

holding

the

blades.

They

must

be

tight.

After

the

first 8

hours

of

operation

,

check

them

again. When-

ever

the

blades are

removed,

it

is

good

practice

to

install

new

lock

washers

under

the

bolts,

and

again

check

tightness

after

the

next

8

hours

of

operation.

2.

Bent

Blades.

See

Figure 7 .

Check

for

bent

blades

before

mounting

the

mower

and

after

impact

. Blade

tips

should

be

within

1/4

inch (6

mm)

of

the

same

horizontal

plane. Align all six blade

tips.

two

at

a

time

as

shown

in Figure 7

to

determine

this. Mowing

with

bent

blades will

cause

missed

strips

and

a

poor

mowing

job.

Bent

blades

should

be re-

placed

immediately

.

3. Mower Gauge Wheels. See Figure 8.

Remove

the

gauge

wheels

after

each

10

hours

of

mow-

ing

and

lubricate

the

bushings and

axle

bolts

with

chassis grease. As an

alternate

to

grease,

the

wheels

can be

oiled

after

each

four

hours

of

operation.

Make

sure

the

oil

penetrates

to

the

inside

of

the

bushings by

holding

the

deck

at

an angle while

lubricating.

4. Mower

deck

belt

replacement.

See Figure 8.

The

deck

belt

is

automatically

tensioned

by a spring

loaded idler

pulley

and

does

not

require

adjustment.

Install a

new

belt

in

the

following

manner:

HEX

NUT

e

lNG

LOA

;;;;-

IDLER

PUL

~

MOWER

BLADE

BOLTS

TIPS

SHOULD

BE WITHIN

1/4"

(6

mm)

OF

SAME

HORIZONTAL

PLANE.

FIGURE

7

a. Remove

the

deck

belt

guard.

b. Relax

the,idler

pulley

tension

by

pivoting

it

towards

the

front

of

the

deck

with

a

9/16"

box

wrench

placed

on

the

hex

nut.

c.

Remove

the

old belt.

d.

Place

the

new

belt

around

th~

3 SPindle

pulleys

and

idler.

e.

Rotate

system

by

hand

to

check

for free

operation

and

idler

take

up .

.

f.

Replace

deck

belt

guard.

TENSIONING

SPRING

1

, .

l

FIGURE

8

J-46

MOWER DECK WITH DECK

BELT

GUARD

REMOVED

FOR

CLARITY

12

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 18 19

Comments to this Manuals

No comments