MTD 642D Series User manual

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1

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•

ASSEMBLY

•

OPERATION

•

MAINTENANCE

•

5

and

8

H.P.

SHREDDERS

Model

Series

642D

thru

648D

(Model

648D

Shown)

IMPORTANT!

Record

the

exact

Model

No.

and

Serial

No.

which

appear

on

the

frame

of

your

unit

in

the

space

below.

You

must

have

these

numbers,

along

with

the

date

of

purchase,

in

order

to

receive

warranty

or

service.

Important:

Read

Safety

Rules

and

Instructions

Carefully

MEETS

ANSI

SAFETY

STANDARDS

MODEL

NO.

SERIAL

NO.

24ri-64rtD

Marie

~

WARNING:

This

unit

is

equipped

with

an

internal

combustion

engine

and

should

not

be

used

on

or

near

any

unimproved

forest-covered,

brush-covered

or

grass-covered

land

unless

the

engine's

exhaust

system

is

equipped

with

a

spark

arrester

meeting

applicable

local

or

state

laws

(if

any).

If

a

spark

arrester

is

used,

it

should

be

maintained

in

effective

working

order

by

the

operator.

In

the

State

of

California

the

above

is

required

by

law

(Section

4442

of

the

California

Public

Resources

Code).

Other

states

may

have

similar

laws.

Federal

laws

apply

on

federal

lands.

A

spark

arrester

for

the

muffler

is

available

through

your

nearest

engine

authorized

service

dealer

or

contact

the

service

department,

P.O.

Box

368022,

Cleveland,

Ohio

44136-9722.

FORM

NO.

770-8607L

IMPORTANT

A

THIS

SYMBOL

POINTS

OUT

IMPORTANT

SA

AL

SAFETY

AND/OR

PROPERTY

OF

YOUR

BEFORE

ATTEMPTING

TO

OPERATE

YOUR

RESULT

IN

PERSONAL

INJURY.

WHEN

YOU

SAFE

OPERATION

PRACTICES

■

ETY

INSTRUCTIONS

WHICH,

IF

NOT

FOLLOWED,

COULD

ENDANGER

THE

PERSON-

}ELF

AND

OTHERS.

READ

AND

FOLLOW

ALL

INSTRUCTIONS

IN

THIS

MANUAL

CHIPPER-SHREDDER.

FAILURE

TO

COMPLY

WITH

THESE

INSTRUCTIONS

MAY

SEE

THIS

SYMBOL:

^

HEED

ITS

WARNING.

A

DANGER

Your

chipper-shredder

w

as

built

to

be

operated

according

to

the

rules

for

safe

operation

in

this

manual.

As

with

any

type

of

power

equipment,

carelessness

or

error

on

the

part

of

the

operator

can

result

in

serious

injury.

This

chip

ler-shredder

is

capable

of

amputating

fingers

and

hands

and

throwing

objects.

Failure

to

observe

the

fol

owing

safety

instructions

could

result

in

serious

injury

or

death.

A

l

.

GENERAL

OPERATION

1.

R

ead

this

owner's

guide

carefully

in

its

entirety

befc

ing

to

assemble

this

machine.

Read,

understand,

ar

instructions

on

the

machine

and

in

the

manual(s)

be

tion.

Be

completely

familiar

with

the

controls

and

use

of

the

machine

before

operating

it.

Keep

this

i

safe

place

for

future

and

regular

reference

and

f<

replacement

parts.

2.

Y

our

chipper-shredder

is

a

powerful

tool,

not

a

Therefore,

exercise

extreme

caution

at

all

times.

Yc

been

designed

to

perform

two

jobs;

to

chip

and

sh

tion

found

in

a

normal

yard.

Do

not

use

it

for

any

pose.

3.

N

ever

allow

children

under

age

16

to

operate

the

uni

16

years

and

older

should

only

operate

the

unit

u

parental

supervision.

Only

responsible

individua

familiar

with

these

rules

of

safe

operation

should

be

use

your

unit.

4.

K

eep

the

area

of

operation

clear

of

all

persons,

[

small

children

and

pets.

Stop

the

engine

when

the;

vicinity

of

the

unit.

Keep

work

area

clean

and

clear

c

or

obstacles

which

could

cause

you

to

stumble

or

fa

5.

W

hen

feeding

material

into

this

equipment,

be

extre

ful

that

pieces

of

metal,

rocks,

bottles,

cans

or

otl

objects

are

not

included.

Personal

injury

or

dam

machine

could

result.

6.

A

lways

wear

safety

glasses

or

safety

goggles,

during

and

while

performing

an

adjustment

or

repair,

to

pi

from

foreign

objects

that

may

be

thrown

from

the

m;

7.

W

ear

sturdy,

rough-soled

work

shoes

and

close

fit

and

shirt.

Shirt

and

slacks

that

cover

the

arms

an

steel-toed

shoes

are

recommended.

Do

not

wear

l(

clothes

or

jewelry

and

secure

hair

so

it

is

abovf

length.

They

can

be

caught

in

moving

parts,

Neve

unit

in

bare

feet,

sandals

or

sneakers.

Wear

gloves'

ing

material

in

the

chipper

chute

or

shredder

hopper,

8.

N

ever

place

your

hands,

feet,

or

any

part

of

your

bo

shredder

hopper,

chipper

chute,

discharge

openin

any

moving

part

while

the

engine

is

running.

Keep

r

discharge

opening

at

all

times.

If

it

becomes

ne>

push

material

into

the

chipper

chute

or

shredder

ho|

small

diameter

stick,

NOT

YOUR

HANDS.

9.

I

f

it

is

necessary

for

any

reason

to

unclog

the

feet

discharge

openings

or

to

inspect

or

repair

any

f

machine

where

a

moving

part

can

come

in

contact

body

or

clothing,

stop

the

machine,

allow

it

to

cool,

i

the

spark

plug

wire

from

the

spark

plug

and

move

it

the

spark

plug

before

attempting

to

unclog,

inspect

o

10.

D

o

not

operate

unit

while

under

the

influence

of

drugs.

11.

T

he

machine

should

only

be

operated

on

a

level

surf;

operate

your

unit

on

a

slippery,

wet,

muddy

or

ic

Keep

your

work

area

clean

and

clear

of

branches

or

which

could

cause

you

to

stumble

and

fall.

Do

not

Maintaining

proper

footing

and

balance

is

essential

t

ing

accidents.

re

attempt-

d

follow

all

fore

opera¬

te

proper

ranual

in

a

r

ordering

plaything,

or

unit

has

ed

vegeta-

other

pur-

.

Children

ider

close

s

who

are

allowed

to

articulariy

are

in

the

f

branches

nely

care¬

er

foreign

rge

to

the

operation

otect

eyes

chine,

ing

slacks

I

legs

and

ose

fitting

shoulder

operate

a

/hen

feed-

ly

into

the

3

,

or

near

lear

of

the

essary

to

per,

use

a

ce.

Never

i

surface,

obstacles

iverreach.

)

prevent-

12.

Do

not

allow

an

accumulation

of

processed

material

to

build¬

up

in

the

discharge

area

as

this

will

prevent

proper

discharge

and

can

result

in

kick-back

from

the

chipper

chute.

13.

Keep

your

face

and

body

back

from

chipper

chute

to

avoid

accidental

bounce

back

of

any

material.

14.

Do

not

transport

machine

while

engine

is

running.

15.

If

the

cutting

mechanism

strikes

a

foreign

object

or

if

your

machine

should

start

making

an

unusual

noise

or

vibration,

immediately

stop

the

engine

and

allow

the

machine

to

come

to

a

complete

stop.

Disconnect

the

spark

plug

wire

and

move

it

away

from

the

spark

plug.

Take

the

following

steps.

•

Inspect

for

damage.

•

Repair

or

replace

any

damaged

parts.

•

Check

for

any

loose

parts

and

tighten

to

assure

continued

safe

operation.

16.

Never

attempt

to

attach

or

remove

catcher

bag

when

engine

is

running.

Shut

the

engine

off

and

wait

for

the

impeller

to

come

to

a

complete

stop.

The

impeller

continues

to

rotate

for

a

few

seconds

after

the

engine

is

shut

off.

Never

place

any

part

of

the

body

in

the

impeller

area

until

you

are

sure

the

impeller

has

stopped

rotating.

17.

Muffler

and

engine

become

hot

and

can

cause

a

burn,

Do

not

touch.

18.

Do

not

allow

leaves

or

other

debris

to

build-up

on

engine’s

muffler.

The

debris

could

ignite

and

cause

a

fire.

19.

Do

not

attempt

to

shred

or

chip

material

larger

than

specified

in

this

manual.

Personal

injury

or

damage

to

the

machine

could

result.

20.

Do

not

operate

engine

if

air

cleaner

or

cover

over

carburetor

air-intake

is

removed,

except

for

adjustment.

Removal

of

such

parts

could

create

a

fire

hazard.

21.

Only

use

accessories

approved

for

this

machine

by

the

manu¬

facturer.

Read,

understand,

and

follow

all

instructions

provid¬

ed

with

the

approved

accessory.

22.

If

situations

occur

which

are

not

covered

by

this

manual,

use

care

and

good

judgment.

Contact

your

dealer

for

assistance.

23.

Keep

discharge

chute

deflector,

chipper

chute

door,

and

all

other

guards

and

safety

devices

in

place

and

operating

proper¬

ly.

24.

Only

operate

unit

in

good

daylight.

Do

not

operate

unit

at

night

or

in

dark

areas

where

your

vision

may

be

impaired.

II.

CHILDREN

Tragic

accidents

can

occur

if

the

operator

is

not

alert

to

the

pres¬

ence

of

small

children.

Children

are

often

attracted

to

the

chipper-

shredder

and

the

chipping

and

shredding

activity.

Never

assume

that

children

will

remain

where

you

last

saw

them.

1.

Keep

children

out

of

the

work

area

and

under

the

watchful

eye

of

a

responsible

adult

other

than

the

operator.

2.

Be

alert

and

turn

the

unit

off

if

a

child

enters

the

area.

3.

Never

allow

children

under

the

age

of

16

to

operate

the

chip¬

per-shredder.

2

k

i

ll.

SERVICE

1.

U

se

extreme

care

in

handling

gasoline

and

other

fuels.

They

are

extremely

flammable

and

the

vapors

are

explosive,

a.

S

tore

fuel

and

oil

in

approved

containers,

away

from

heat

and

open

flame,

and

out

of

the

reach

of

children.

Check

and

add

fuel

before

starting

the

engine.

Never

remove

gas

cap

or

add

fuel

while

the

engine

is

running.

Allow

engine

to

cool

at

least

two

minutes

before

refueling,

b.

R

eplace

gasoline

cap

securely

and

wipe

off

any

spilled

gasoline

before

starting

the

engine

as

it

may

cause

a

fire

or

explosion.

c.

E

xtinguish

all

cigarettes,

cigars,

pipes

and

other

sources

of

ignition.

d.

N

ever

refuel

unit

indoors

because

flammable

vapors

will

accumulate

in

the

area.

e.

N

ever

store

the

machine

or

fuel

container

inside

where

there

is

an

open

flame

or

spark

such

as

a

gas

hot

water

heater,

space

heater,

clothes

dryer

or

furnace.

2.

N

ever

run

your

machine

in

an

enclosed

area

as

the

exhaust

from

the

engine

contains

carbon

monoxide,

which

is

an

odor¬

less,

tasteless

and

deadly

poisonous

gas.

3.

T

o

reduce

fire

hazard,

keep

engine

and

muffler

free

of

leaves,

grass,

and

other

debris

build-up.

Clean

up

fuel

and

oil

spillage.

Allow

unit

to

cool

at

least

5

minutes

before

storing.

4.

Before

cleaning,

repairing,

or

inspecting,

make

certain

the

impeller

and

all

moving

parts

have

stopped.

Disconnect

the

spark

plug

wire

and

keep

wire

away

from

spark

plug

to

prevent

accidental

starting.

Do

not

use

flammable

solutions

to

clean

air

filter.

5.

Check

the

blade

and

engine

mounting

screws

at

frequent

inter¬

vals

for

proper

tightness.

Also

visually

inspect

blades

for

wear

and/or

damage

(e.g.,

bent,

cracked).

Replace

with

blades

which

meet

original

equipment

specifications.

6.

Keep

all

nuts,

bolts,

and

screws

tight

to

be

sure

the

equipment

is

in

safe

working

condition.

7.

Never

tamper

with

safety

devices.

Check

their

proper

opera¬

tion

regularly.

8.

After

striking

a

foreign

object,

immediately

stop

the

engine,

disconnect

the

spark

plug

wire

from

the

spark

plug,

and

thor¬

oughly

inspect

the

unit

for

any

damage.

Repair

damage

before

starting

and

operating

unit.

9.

Do

not

alter

or

tamper

with

the

engine’s

governor

setting.

The

governor

controls

the

maximum

safe

operating

speed

of

the

engine.

Over-speeding

the

engine

is

dangerous

and

will

cause

damage

to

the

engine

and

to

other

moving

parts

of

the

machine.

OWNER’S

MANUAL

SAFETY

LABEL

A

WARNING

—

YOUR

RESPONSIBILITY

Restrict

the

use

of

this

power

machine

to

persons

who

read,

understand

and

follow

the

warnings

and

instructions

in

this

manual

and

on

the

machine.

3

ASSEMEiLY

INSTRUCTIONS

IMPORTANT:

This

unit

is

shipped

WITHOUT

GASOLINE

or

OIL.

After

assembly,

see

ssparate

engine

manual

for

proper

fuel

and

engine

oil

rec¬

ommendations.

NOTE:

To

determine

right

and

left

hand

sides

of

your

chipper-shredder,

stand

behind

and

face

the

hopper

(engine

is

at

the

front

of

the

unit).

Your

chipper-shredder

has

been

completely

assem¬

bled

at

the

factory,

except

for

the

chute

defle

:tor

and

the

catcher

bag.

A

pair

of

safety

glasses

<

re

also

included

in

the

carton.

FIGURE

1.

TO

REMOVE

CHIPPER-SHREDDER

FROM

CARTON

1.

Remove

staples,

break

glue

on

top

flaps,

or

cut

tape

at

carton

end

and

peel

along

top

flap

to

open

carton.

2.

Remove

loose

parts

if

included

with

unit

(i.e.,

owner’s

manual,

etc.).

3.

Cut

along

dotted

lines

and

lay

carton

down

flat.

4.

Remove

packing

material.

5.

Roll

or

slide

unit

out

of

carton.

Check

carton

thoroughly

for

loose

parts.

TOOLS

REQUIRED

FOR

ASSEMBLY

(2)

7/16"

or

Adjustable

Wrenches

HOW

TO

SET-UP

YOUR

CHIPPER-SHREDDER

A

WARNING:

Make

certain

the

spark

plug

wire

is

disconnected

and

moved

away

from

the

spark

plug

before

assembling

the

chipper-shredder.

ATTACHING

THE

CHUTE

DEFLECTOR

1.

Remove

the

hand

knobs

and

cupped

washers

from

each

side

of

the

discharge

opening

on

the

left

side

of

the

shredder.

2.

Remove

the

hex

lock

nut,

two

spacers

and

hex

bolt

from

inside

the

hinge

on

top

of

the

discharge

opening.

Do

not

remove

one

spacer

from

the

hex

bolt.

3.

Place

the

chute

deflector

in

position

on

the

dis¬

charge

opening.

Insert

bolt

through

hinge

on

chute

deflector

and

housing

(spacer

fits

inside

hinge).

4.

Place

second

spacer

over

the

hex

bolt,

inside

the

other

part

of

hinge.

Secure

with

hex

lock

nut.

Tighten

securely.

5.

Secure

both

sides

of

the

chute

deflector

to

the

housing

using

hand

knobs

and

cupped

washers

(cupped

side

of

washers

go

against

chute

deflec¬

tor).

ATTACHING

THE

CATCHER

BAG

Your

chipper-shredder

is

equipped

with

a

catcher

bag

to

catch

the

shredded

material.

To

attach

bag,

place

bag

opening

over

the

chute

deflector

so

it

completely

covers

chute

opening.

Depress

plunger

on

drawstring,

pull

on

drawstring

until

bag

is

tight

around

chute

opening.

Release

plunger

to

lock

it

into

position.

See

figure

2.

4

FIGURE

3.

ASSEMBLING

THE

OPTIONAL

HOSE

ATTACHMENT

(See

Figure

3)

1.

Place

handle

in

position

on

nozzle

tube.

Secure

front

of

handle

to

nozzle

with

hex

bolt

5/8“

long

and

hex

lock

nut.

Do

not

tighten

at

this

time.

2.

Place

flat

washer

on

hex

bolt

1-1/4"

long.

Place

saddle

washer

on

hex

bolt,

with

the

crowned

side

of

the

washer

against

the

head

of

the

hex

bolt.

3.

Place

the

hex

bolt

(with

washer

attached)

down

through

the

other

hole

in

the

handle

and

nozzle.

Secure

with

hex

lock

nut.

Tighten

both

hex

bolts

and

nuts

securely.

4.

Slide

one

hose

clamp

on

each

end

of

the

hose

(loosen

hose

clamps

if

necessary).

Slide

one

end

of

hose

over

the

round

opening

in

the

nozzle,

and

secure

with

hose

clamp.

Slide

other

end

of

hose

over

the

plug,

and

secure

with

hose

clamp.

Make

certain

both

hose

clamps

are

tightened

securely.

ATTACHING

AND

REMOVING

THE

OPTIONAL

HOSE

ATTACHMENT

A

WARNING:

Be

certain

to

stop

the

engine

and

disconnect

the

spark

plug

wire

from

the

spark

plug

before

attaching

or

remov¬

ing

the

vacuum

hose

from

the

vacuum.

To

Attach

the

Vacuum

Hose

to

the

Hopper:

Insert

the

plug

end

of

the

hose

into

the

hopper.

Slide

the

front

(curved)

portion

down

into

position

first,

then

push

down

on

the

rear

of

the

plug,

past

the

locking

tabs.

See

figure

4.

To

Remove

the

Vacuum

Hose

From

the

Hopper:

Standing

behind

the

hopper,

pivot

the

neck

of

the

plug

backwards

until

front

of

plug

releases

from

hopper.

Then

pull

the

rest

of

the

plug

out

of

the

hopper.

A

WARNING:

Keep

away

from

the

muffler

as

it

is

hot.

Do

not

allow

the

hose

to

con¬

tact

the

muffler.

Do

not

pull

on

the

hose

to

move

the

chip¬

per-shredder.

Unit

could

tip

over.

5

OPERATION

KNOW

YOUR

SHREDDER

READ

THIS

OWNER’S

MANUAL

AND

SAFETY

RULES

BEFORE

OPERATING

YOUR

SHREDDER.

Compare

the

illustrations

with

your

shredder

to

familia

ize

yourself

with

the

location

of

various

controls

and

adjustments.

Save

this

manual

for

future

reference.

FIGURE

5.—Model

648D

Shown

Model

648D

OPERATING

CONTROLS

(See

figure

5)

RELEASE

HANDLE

—Used

to

release

the

he

the

ground.

CHOKE

LEVER

(if

so

equipped)

—Used

to

ei

carburetor

when

starting

a

cold

engine.

PRIMER

(if

so

equipped)

—Pumps

additional

cylinder

for

use

when

starting

a

cold

engine.

STARTER

HANDLE

—Used

to

manually

start

THROTTLE

CONTROL—

Controls

engine

engine.

The

operation

of

any

shredder

can

result

eign

objects

being

thrown

into

the

eyes

can

result

in

severe

eye

d

■

Always

wear

safety

glasses

shields.

We

recommen<

vision

safety

mask

for

over

cles

or

standard

safety

glas

BEFORE

STARTING

1.

P

lace

the

shredder

on

a

firm,

level

surface

2.

A

ttach

spark

plug

wire

to

spark

plug.

3.

S

ervice

engine

with

gasoline

and

oil

as

in

in

the

separate

engine

manual

packed

w

shredder.

pper

when

lowering

to

irich

the

fuel

mixture

in

fuel

from

carburetor

to

he

engine,

speed

and

in

for-

which

image,

or

eye

I

wide

specta-

»es.

rtructed

th

your

stops

the

Choke

Throttle

Starter

Handle

4.

O

pen

fuel

shut-off

valve

(if

so

equipped).

NOTE:

Check

the

fuel

level

periodically

to

avoid

run¬

ning

out

of

gasoline

while

operating

the

chipper-

shredder.

If

the

unit

runs

out

of

gas

as

it

is

shredding

or

chipping,

it

may

be

necessary

to

unclog

the

unit

before

it

can

be

restarted.

Refer

to

“Removing

the

Flail

Screen”

on

pages

8

and

9.

TO

START

ENGINE

A

WARNING:

Be

sure

no

one

other

than

the

operator

is

standing

near

the

shredder

while

starting

or

operating.

6

1.

Place

the

throttle

control

lever

in

FAST

position.

See

figure

5.

2.

Engines

with

choke

lever:

Move

choke

lever

to

CHOKE

position

(a

warm

engine

may

not

require

choking).

Engines

with

primer:

Prime

engine

as

instructed

in

separate

engine

manual.

3.

Grasp

starter

handle

(see

figure

5)

and

pull

rope

out

slowly

until

engine

reaches

start

of

compres¬

sion

cycle

(rope

will

pull

slightly

harder

at

this

point).

Let

the

rope

rewind

slowly.

4.

Pull

rope

with

a

rapid,

continuous,

full

arm

stroke.

Keep

a

firm

grip

on

starter

handle.

Let

rope

rewind

slowly.

Do

not

let

starter

handle

snap

back

against

starter.

5.

Repeat

preceding

instructions

3

and

4

until

engine

fires.

When

engine

starts,

move

choke

lever

(if

so

equipped)

on

engine

halfway

between

CHOKE

and

RUN.

6.

Move

throttle

control

to

IDLE

position

for

a

few

minutes

warm-up.

Move

choke

lever

(if

so

equipped)

to

RUN

position

as

engine

warms

up.

NOTE:

In

order

to

idle

smoothly,

a

new

engine

may

require

3

to

5

minutes

running

above

slow

idle

speed.

Idle

speed

has

been

adjusted

to

be

correct

after

this

break-in

period.

TO

STOP

ENGINE

1.

Move

throttle

control

lever

to

STOP

position.

2.

Disconnect

spark

plug

wire

and

move

away

from

spark

plug

to

prevent

accidental

starting

while

equipment

is

unattended.

3.

Close

fuel

shut-off

valve

(if

so

equipped)

when

unit

is

not

in

use

to

prevent

fuel

leakage.

HOW

TO

USE

YOUR

SHREDDER

Do

not

attempt

to

shred

or

chip

any

material

other

than

vegetation

found

in

a

normal

yard

(i.e.,

branches,

leaves,

twigs,

etc.).

WARNING:

The

shredder

discharges

material

with

considerable

velocity.

Keep

away

from

the

area

around

the

chute

deflector.

Always

stop

the

engine

and

dis¬

connect

the

spark

plug

wire

when

remov¬

ing

or

attaching

the

bag,

when

changing

containers

or

when

removing

the

shred¬

ded

material,

wear

safety

glasses

and

gloves

whenever

using

your

shredder.

The

shredder

is

designed

for

three

different

methods

of

operation.

1.

Leaves

and

small

branches

up

to

1/2"

diameter

can

be

fed

into

the

hopper

when

it

is

in

the

raised

position.

See

figure

6.

If

it

becomes

necessary

to

push

material

into

the

shredder,

use

a

small

diameter

stick—-NOT

YOUR

HANDS.

The

stick

cannot

exceed

1/2"

in

diameter

so

it

will

be

ground

up

if

it

gets

into

the

impeller

assembly.

A

WARNING:

Do

not

put

material

larger

than

1/2"

in

diameter

into

the

hopper.

Material

up

to

a

maximum

of

3"

in

diameter

materi¬

al

may

be

fed

into

the

chipper

chute.

Do

not

attempt

to

shred

or

chip

any

material

larger

than

3“

in

diameter.

Personal

injury

or

damage

to

the

machine

could

result.

2.

Leaves

and

small

twigs

can

be

raked

into

the

shredder

when

the

hopper

assembly

is

lowered

to

the

ground.

See

figure

7.

To

lower

the

hopper

assembly

to

the

ground,

use

one

hand

to

grasp

the

top

of

the

hopper

assem¬

bly.

Push

down

on

the

release

handle,

and

pivot

the

hopper

assembly

to

the

right.

See

figure

8.

7

FIGURE

8.

3.

Bulky

material,

such

as

stalks

or

heavy

I

>ranches,

up

to

3"

in

diameter

should

be

fed

into

the

chipper

chute.

See

figure

9.

A

WARNING:

Make

certain

the

chipper

chute

door

is

closed

when

not

in

use.

IMPORTANT:

There

is

a

flail

screen

located

inside

the

housing

in

the

discharge

area.

If

the

flail

screen

becomes

clogged,

remove

and

clean

as

instructed

in

the

Maintenance

section

below.

For

best

performance,

it

is

important

to

keep

the

shredding

blade

and

the

chipper

blades

sharp.

Refer

to

Maintenance

section,

page

9.

If

the

composition

of

the

material

being

discharged

changes

(becomes

stringy,

etc.)

or

if

the

rate

at

which

the

material

is

dis¬

charged

slows

down

considerably,

it

is

likely

that

the

shredding

blade

and/or

chipper

blades

are

dull

and

need

to

be

sharpened

or

replaced.

IV

AINTENANCE

A

WARNING:

Always

stop

engine

and

dis¬

connect

spark

plug

wire

before

leaning,

lubricating

or

performing

any

impairs

or

maintenance.

LUBRICATION

Lubricate

the

pivot

points

on

the

release

hai

idle,

hop¬

per

assembly,

chute

deflector

and

chipper

c

lute

once

a

season

using

a

light

oil.

ENGINE

Refer

to

the

separate

engine

manual

fc

r

engine

maintenance

instructions.

Maintain

engine

oil

as

instructed

in

the

separate

engine

manual

packed

with

your

unit.

Read

md

follow

instructions

carefully.

Service

air

cleaner

every

25

hours

under

nc

rmal

con¬

ditions.

Clean

every

few

hours

under

extremely

dusty

conditions.

Poor

engine

performance

and

flooding

usually

indicates

that

the

air

cleaner

shou

d

be

ser¬

viced.

To

service

the

air

cleaner,

refer

to

th«

separate

engine

manual

packed

with

your

unit.

The

spark

plug

should

be

cleaned

and

the

gap

reset

once

a

season.

Spark

plug

replacement

is

recom¬

mended

at

the

start

of

each

season;

check

engine

manual

for

correct

plug

type

and

gap

specifications.

Clean

the

engine

regularly

with

a

cloth

or

brush.

Keep

the

cooling

system

(blower

housing

area)

clean

to

permit

proper

air

circulation

which

is

essential

to

engine

performance

and

life.

Be

certain

to

remove

all

dirt

and

combustible

debris

from

muffler

area.

CLEANING

The

shredder

may

be

cleaned

by

running

water

from

a

hose

through

the

hopper

assembly

and

chipper

chute

with

the

engine

running.

Allow

the

shredder

to

dry

thoroughly.

Wash

the

bag

periodically

with

water.

Allow

to

dry

thoroughly

in

the

shade.

Do

not

use

heat.

REMOVING

THE

FLAIL

SCREEN

If

the

discharge

area

becomes

clogged,

remove

the

flail

screen

and

clean

area

as

follows.

8

1.

Stop

the

engine,

make

certain

the

shredder

has

come

to

a

complete

stop

and

disconnect

spark

plug

wire

from

the

spark

plug

before

unclogging

the

chute.

2.

Loosen

the

two

hand

knobs

on

each

side

of

the

chute

deflector.

Lift

the

chute

deflector

up,

and

tie

it

out

of

the

way,

3.

Remove

two

hairpin

clips

from

the

clevis

pins

which

extend

through

the

housing.

Remove

the

clevis

pins.

Lift

the

flail

screen

from

inside

the

housing.

See

figure

10.

4.

Clean

the

screen

by

scraping

or

washing

with

water.

Reinstall

the

screen.

NOTE:

Be

certain

to

reassemble

the

flail

screen

with

the

curved

side

down

as

shown

in

figure

10.

Hand

Knobs

FIGURE

10.

SHARPENING

OR

REPLACING

CHIPPER

BLADES

1.

Disconnect

spark

plug

wire

and

move

it

away

from

spark

plug.

2.

Remove

the

flail

screen

as

instructed

in

previous

section.

3.

Remove

the

chipper

chute

by

removing

three

hex

nuts

and

washers.

A

1/2"

wrench

is

required.

See

figure

11.

NOTE:

When

reassembling,

the

cupped

washer

goes

on

the

bottom

of

the

chipper

chute

with

the

cupped

side

against

the

chute.

4.

Rotate

the

impeller

assembly

by

hand

until

you

locate

one

of

the

chipper

blades

in

the

chipper

chute

opening.

Remove

the

blade,

using

a

3/16"

alien

wrench

on

the

outside

of

the

blade

and

1/2"

wrench

on

the

impeller

assembly

(inside

the

housing).

See

figure

11.

5.

Remove

the

other

blade

in

the

same

manner.

FIGURE

11.

Replace

or

sharpen

blades.

If

sharpening,

make

cer¬

tain

to

remove

an

equal

amount

from

each

blade.

Reassemble

in

reverse

order.

Make

certain

blades

are

reassembled

with

the

sharp

edge

facing

the

direction

shown

in

figure

11

(sharp

edge

is

assembled

toward

the

slotted

opening

in

the

impeller

assembly).

SHARPENING

OR

REPLACING

SHREDDING

BLADE

The

shredding

blade

may

be

removed

for

sharpening

or

replacement

as

follows.

1.

Disconnect

spark

plug

wire

and

move

it

away

from

spark

plug.

2.

Lower

the

hopper

assembly.

Block

up

the

hopper.

See

figure

12.

3.

Remove

the

six

hex

lock

nuts

and

flat

washers

from

the

housing

weld

bolts

using

a

1/2"

wrench.

Remove

the

hopper

assembly.

4.

Remove

the

back-up

plate.

NOTE:

When

reassembling

the

back-up

plate,

make

certain

the

single

tab

is

at

the

top

of

the

back-up

plate,

and

the

two

tabs

are

at

the

bottom.

Also,

make

certain

the

tabs

go

toward

the

blade.

9

I

When

reassembling

the

blade,

tighten

to

between

550

and

650

inch

pounds,

or

lacking

torque

wrench,

tight¬

en

securely.

FLAILS

The

flails,

located

inside

the

housing,

may

be

reversed

when

they

become

dull.

It

is

suggested

that

this

procedure

be

performed

by

your

nearest

author¬

ized

dealer.

CARBURETOR

ADJUSTMENT

A

WARNING:

If

any

adjustments

are

made

to

the

engine

while

the

engine

is

running

(e.g.

carburetor),

keep

clear

of

all

moving

parts.

Be

careful

of

heated

surfaces

and

muffler.

FIGURE

12.

5.

Loosen

the

two

hand

knobs

and

cuppec

washers

which

secure

the

chute

deflector,

and

raise

the

chute

deflector.

6.

Insert

a

1/2"

or

3/4"

diameter

pipe

throuc

h

the

flail

screen

into

the

impeller

assembly

to

ke<

;p

it

from

turning,

or

remove

the

flail

screen,

ant

insert

a

piece

of

wood

(2

x

4)

into

the

chute

oper

ing.

7.

Remove

the

two

outside

screws

on

the

blade,

using

a

3/16"

alien

wrench

and

a

1/2"

wr

3nch.

8.

Remove

the

blade

by

removing

the

ce

nter

bolt,

lock

washer

and

flat

washer.

NOTE:

Use

caution

when

removing

the

blad

3

to

avoid

contacting

the

weld

bolts

on

the

housing.

When

sharpening

the

blade,

follow

the

origi

lal

angle

of

grind

as

a

guide.

It

is

extremely

important

that

each

cutting

edge

receives

an

equal

amount

of

g

rinding

to

prevent

an

unbalanced

blade.

An

unbalant

ed

blade

will

cause

excessive

vibration

when

rotating

at

high

speeds

and

may

cause

damage

to

the

unit.

The

blade

can

be

tested

for

balance

by

b£

lancing

it

on

a

round

shaft

screwdriver

or

nail.

Remove

metal

from

the

heavy

side

until

it

is

balanced

ev

3nly.

See

figure

13.

Minor

carburetor

adjustment

may

be

required

to

com¬

pensate

for

differences

in

fuel,

temperature,

altitude

or

load.

NOTE:

A

dirty

air

cleaner

will

cause

engine

to

run

rough.

Be

certain

air

cleaner

is

clean

and

attached

to

the

carburetor

before

adjusting

carburetor.

Do

not

make

unnecessary

adjustments.

Factory

set¬

tings

are

satisfactory

for

most

applications

and

condi¬

tions.

If

adjustment

is

needed,

refer

to

the

separate

engine

manual

packed

with

your

shredder.

OFF-SEASON

STORAGE

The

following

steps

should

be

taken

to

prepare

your

shredder

for

storage.

1.

Clean

and

lubricate

the

shredder

thoroughly.

2.

Refer

to

engine

manual

for

correct

engine

storage

instructions.

3.

If

storing

in

an

unventilated

or

metal

storage

shed,

coat

metal

parts

with

a

light

oil

or

silicone

to

prevent

rust.

4.

Store

in

a

dry,

clean

area.

Do

not

store

next

to

corrosive

materials,

such

as

fertilizer.

10