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Batons.

Snow

Thrower

Safety

and

Operation

Instructions

Models

225

225E

300

300E

350

350E

500

FORM

553512-5

(8/85)

SUPERSEDES

553512-4

INTRODUCTION

Thank

you

for

purchasing

this

piece

of

Bolens

equipment.

We

feel

you

now

own

one

of

the

finest

pieces

of

equipment

money

can

buy.

This

is

a

safety,

operation

and

general

maintenance

manual

which

does

not

at¬

tempt

to

cover

major

repairs.

Bolens

equipment

has

been

carefully

designed,

engineered

and

manufactured

to

give

good

performance

if

properly

operated

and

maintained.

Review

this

manual

to

familiarize

yourself

with

the

unit,

its

features

and

its

operation.

This

equipment

is

manufactured

by

Bolens

Corporation,

215

South

Park

Street,

Port

Washington,

Wisconsin

53074.

(Phone:

414-284-5521).

If

you

should

have

any

questions

or

encounter

any

problems

which

you

feel

only

the

factory

can

solve,

write

to

the

above

address

or

call

our

Service

Department.

Your

Warranty

Statement

is

also

included

(on

back

cover)

with

this

manual.

Please

read

it

carefully.

Also,

be

sure

to

complete

and

return

the

included

postpaid

owner

registration

card.

The

purpose

of

this

card

is

to

register

each

unit

and

owner

at

the

factory

for

safety

purposes.

CONTACT

YOUR

DEALER

FOR

ANY

REPLACEMENT

PARTS

OR

SERVICE

NEEDED.

DO

NOT

RETURN

PARTS

DIRECTLY

TO

THE

FACTORY.

THE

FACTORY

REQUIRES

PRIOR

APPROVAL

ON

RETURNS,

AND

APPROVALS

ARE

ISSUED

ONLY

TO

BOLENS

DEALERS

OR

DISTRIBU¬

TORS.

Bolens

Corporation

reserves

the

right

to

make

changes

in

specifications

shown

herein,

add

improvements,

or

discontinue

the

manufactured

product

at

any

time

without

notice

or

obligation.

The

illustrations

shown

throughout

this

manual

may

not

look

exactly

the

same

as

your

snow

thrower.

Production

line

changes

as

well

as

differences

in

models

may

alter

their

appearance.

Know

your

snow

thrower

before

you

operate

it.

Carefully

review

this

manual

and

become

thoroughly

familiar

with

the

operating

procedures

and

safety

pre¬

cautions.

TABLE

OF

CONTENTS

Safety

Precautions

.

.

Identification

Numbers

Specifications.

Assembly.

Controls.

3

Before

Operation.

.

.

.

4

Operation.

5

Care

and

Maintenance

5

Storage

.

6

2

CD

00

GENERAL

SAFETY

PRECAUTIONS

A

This

symbol

is

being

used

to

attract

attention

to

the

safety

precautions

that

should

be

obeyed

by

the

operator

to

help

avoid

accidents.

A

CAUTION

PREVENTING

ACCIDENTS

IS

YOUR

RESPONSIBILITY.

BE

SURE

YOU

UNDERSTAND

AND

OBSERVE

THESE

SAFETY

PRECAUTIONS.

NEVER

TAKE

CHANCES.

REMEMBER,

ACCI¬

DENTS

CAN

BE

PREVENTED.

falling,

especially

when

operating

in

reverse.

PREPARATION

1.

Thoroughly

inspect

the

area

where

the

equipment

is

to

be

used

and

remove

all

door

mats,

sleds,

boards,

wires

and

other

foreign

objects.

2.

Do

not

operate

equipment

without

wearing

adequate

winter

outer

garments.

Wear

footwear

which

will

improve

foot¬

ing

on

slippery

surfaces.

3.

Handle

fuel

with

care,

it

is

highly

flammable.

a.

Use

approved

fuel

container.

b.

Never

add

fuel

to

a

running

engine

or

hot

engine.

c.

Fill

fuel

tank

outdoors

with

extreme

care.

Never

fill

fuel

tank

indoors.

d.

Replace

gasoline

cap

securely

and

wipe

up

spilled

fuel.

4.

U

se

a

grounded

three

wire

cord

and

plug-in

for

all

units

with

electric

starting

motors.

walks,

or

roads.

Stay

alert

for

hidden

hazards

or

traffic.

3.

After

striking

a

foreign

object,

stop

the

engine

(motor),

thoroughly

inspect

the

snow

thrower

for

any

damage,

and

repair

the

damage

before

restarting

and

operating

the

snow

thrower.

4.

If

the

unit

should

start

to

vibrate

abnormally,

stop

the

engine

(motor)

and

check

immediately

for

the

cause.

Vibra¬

tion

is

generally

a

warning

of

trouble.

5.

Stop

engine

(motor)

whenever

you

leave

the

operating

position,

before

unclogging

the

collector/impeller

housing

or

discharge

guide,

and

when

making

any

repairs,

adjustments

or

inspections.

6.

Take

all

possible

precautions

when

leaving

the

vehicle

unattended.

Stop

the

engine

and

remove

the

key.

7.

When

cleaning,

repairing

or

inspect¬

ing

make

certain

collector/impeller,

and

all

moving

parts

have

stopped.

Disconnect

cord

on

electric

motors.

8.

Do

not

run

engine

indoors,

except

when

starting

engine

for

transporting

snow

thrower

in

or

out

of

building.

Open

outside

doors,

exhaust

fumes

are

danger¬

ous.

TRAINING

1.

Read

the

operating

and

service

in¬

struction

manual

carefully.

Be

thoroughly

familiar

with

the

controls

and

proper

use

of

the

equipment.

Know

how

to

stop

the

unit

and

disengage

the

controls

quickly.

2.

Never

allow

children

to

operate

equipment.

Never

allow

adults

to

operate

equipment

without

proper

instruction.

3.

Keep

the

area

of

operation

clear

of

all

persons,

especially

small

children

and

pets.

4.

Exercise

caution

to

avoid

slipping

or

5.

Never

attempt

to

make

any

adjust¬

ments

while

engine

or

motor

is

running

(except

where

specifically

recommended

by

manufacturer).

6.

Let

engine

and

machine

adjust

to

outdoor

temperatures

before

starting

to

clear

snow.

OPERATION

1.

Do

not

put

hands

or

feet

near

rotating

parts.

Keep

clear

of

discharge

opening

and

collector

at

all

times.

2.

Exercise

extreme

caution

when

operating

on

or

crossing

gravel

drives.

9.

E

xercise

extreme

caution

when

changing

directions

on

slopes.

Do

not

attempt

to

clear

steep

slopes.

1

0.

Never

operate

snow

thrower

without

guards,

plates,

or

other

safety

protective

devices

in

place.

11.

Never

operate

snow

thrower

near

glass

enclosures,

automobiles,

window

wells,

drop-offs,

etc.,

without

proper

adjustment

of

snow

discharge

angle.

Keep

children

and

pets

away.

12.

The

exhaust

muffler

gives

off

heat.

Avoid

contact

with

any

surface

which

may

be

hot.

3

GENERAL

SAFETY

PRECAUTIONS

(continued)

13.

Do

not

overload

machine

capacity

by

attempting

to

clear

snow

at

too

fast

a

rate.

14.

Never

operate

machine

at

high

trans¬

port

speeds

on

slippery

surfaces.

15.

Never

direct

discharge

at

bystanders

or

allow

anyone

in

front

of

unit.

17.

Never

operate

the

snow

thrower

without

good

visibility

or

light.

Always

be

sure

of

your

footing

and

keep

a

firm

hold

on

the

handles

and

walk,

never

run.

MAINTENANCE

AND

STORAGE

1.

Check

engine

mounting

bolts,

etc.

at

frequent

intervals

for

proper

tightness

to

be

sure

equipment

is

in

safe

working

condition.

3.

Never

store

machine

with

fuel

in

the

fuel

tank

inside

a

building

where

open

flame

or

spark

are

present.

Allow

engine

to

cool

before

storing

in

any

enclosure.

4.

Always

refer

to

owner's

guide

instructions

for

important

details

if

snow

thrower

is

to

be

stored

for

an

extended

period.

5.

Run

machine

a

few

minutes

after

throwing

snow

to

prevent

freeze

up

of

collector/impeller.

16.

Use

only

attachments

and

accessories

2.

Check

scraper

bar

mounting

bolts

at

approved

by

manufacturer

of

snow

frequent

intervals

for

proper

tightness

to

thrower.

insure

smooth

operation.

IDENTIFICATION

NUMBERS

For

prompt

service

when

repairs

or

adjust¬

ments

are

required,

your

AUTHORIZED

BOLENS

DEALER

must

have

identifi¬

cation

numbers

listed.

Fill

in

the

spaces

now

for

quick

reference.

The

AUTHORIZED

BOLENS

DEALER

has

a

parts

list

for

your

snow

thrower.

He

can

identify

and

supply

any

parts

you

require.

Contact

the

engine

manufacturer's

authorized

dealer

when

engine

parts

are

needed.

Snow

Thrower:

Model

Number.

Serial

Number_

Engine:

Model

Number

Serial

Number-

Spec.

Number_

Date

of

Purchase:

4

SPECIFICATIONS

Model

225

225E

|

300

300E

350

350E

500

500E

520

Single-Stage

Single-Stage

Single-Stage

Single-Stage

Single-Stage

Engine

Tecumseh

2.25

HP/1.7

kW

2

cycle

Tecumseh

3.0

HP/2.2

kW

2

cycle

Tecumseh

3.5

HP/2.6

kW

4

cycle

Tecumseh

5

HP/3.7

kW

4

cycle

Tecumseh

5

HP/3.7

kW

4

cycle

Fuel

Cap

2

qt./1.9

L

2

qt./1.9

L

2

qt./l

.9

L

2

qt./l

.9

L

2

qt./l.9

L

Cutting

Width

20"/51

cm

20"/51

cm

20"/51

cm

24'V61

cm

20"/51

cm

Auger

Triple-Paddle

Impeller

Hi

Capacity

Poly

V

Belt

Wheel

Size

1.5

x

6"

Rubber

(3.8

x

15.2

cm)

1.5

x

6"

Rubber

(3.8

x

15.2

cm)

1.5

x

6"

Rubber

(3.8

x

15.2

cm)

1.5

x

7

"

Rubber

(3.8

x

17.8

cm)

1.5

x

6"

Rubber

(3.8

x

15.2

cm)

Approx.

Weight

42

lbs./19.0

Kg

42

lbs./19.0

Kg

50

lbs./22.7

Kg

52

lbs./23.6

Kg

50

lbs./22.7

Kg

Start

MANUAL

YES

MANUAL

YES

MANUAL

YES

MANUAL

YES

MANUAL

Auger

Clutch

Kit

Available

Kit

Available

Yes

Yes

Yes

Snow

Discharge

3

Way

Directional

Fold

Down

Handles

Yes

Yes

Yes

Yes

Yes

*

MANUAL

START

UNITS

MAY

ACCEPT

AN

ELECTRIC

START

KIT,

CONTACT

YOUR

AUTHORIZED

ENGINE

DEALER.

ASSEMBLY

Remove

Snow

Thrower

from

carton

and

assemble

as

described.

1.

HANDLE

INSTALLATION

The

snow

thrower

was

shipped

with

the

handle

in

the

folded

down

position.

To

position

handle

for

operation:

a.

Remove

hand

knobs

(A),

Figure

4.

b.

Lift

handle

up

and

position

in

either

of

two

operating

positions:

HIGH

position

(B)

or

LOW

position

(C).

Pinched

ends

of

upper

handle

(D)

must

fit

snugly

around

lower

handle

(E).

c.

Place

handle

plates

(H)

onto

threaded

studs.

d.

Retighten

hand

knobs.

e.

If

snow

thrower

is

equipped

with

an

auger

clutch

control,

(F)

Figure

5,

the

following

must

be

done

for

proper

clutch

engagement.

With

auger

clutch

handle

down,

pull

cable

up

(to

remove

slack)

until

a

solid

resistance

is

felt.

Select

the

chain

link

closest

to

open

end

of

clutch

lever

hook

(G)

and

assemble.

Release

cable.

This

procedure

should

provide

proper

clutch

engagement.

CONTROLS

VANE

CONTROL

The

vane

control

(A),

Figure

6,

is

used

to

direct

snow

discharge

left,

right

or

straight

ahead.

IGNITION

KEY

The

ignition

key

(B),

Figure

6,

allows

the

starting

and

stopping

of

engine.

CHOKE

CONTROL

The

choke

control

(C),

Figure

6,

aids

in

cold

engine

starting.

RECOIL

STARTER

This

starter

rope

(D),

Figure

6,

allows

the

engine

to

start

(by

pulling)

with

the

key

ON.

PRIMER

BUTTON

The

primer

button

(E),

Figure

6,

permits

the

operator

to

hand

prime

(by

pressing)

the

engine

carburetor.

NOTE:

When

priming

(Models

225

&

225E

only)

be

sure

your

thumb

is

covering

vent

hole.

ELECTRIC

STARTER

BUTTON

(Electric

Start

Models

Only)

This

starter

button

(G),

Figure

6,

is

used

to

start

the

engine

(by

pressing)

with

the

ignition

key

ON.

AUGER

CLUTCH

(Some

Models)

This

control

(F),

Figure

7,

engages

impel¬

ler

when

pulled

up

to

handle

bar

and

dis¬

engages

impeller

when

released.

BEFORE

OPERATION

A

WARNING

MODELS

350,

305E,

500,

500E

&

520

THIS

SNOW

THROWER

WAS

SHIPPED

WITHOUT

LUBRICA¬

TION

IN

THE

CRANKCASE.

FILL

THE

4

CYCLE

ENGINE,

IF

SO

EQUIPPED,

WITH

OIL

AS

OUT¬

LINED

IN

THIS

MANUAL

AS

WELL

AS

THE

ENGINE

MANUAL.

MODELS

225,225E,

300

&

300E

THE

2

CYCLE

ENGINE

HAS

NO

OIL

SUMP

IN

THE

CRANKCASE,

THEREFORE

RELIES

ON

THE

OIL

IN

THE

FUEL

MIXTURE

FOR

LUBRICATION.

6

BEFORE

OPERATION

(continued)

A

CAUTION

DO

NOT

REFUEL

WHILE

ENGINE

IS

RUNNING

OR

HOT.

KEEP

SMOKERS

AND

FLAMES

AWAY

WHEN

REFUEL¬

ING.

MODELS

225,

225E,

300

&

300E

(2

Cycle

Engine)

A

two

cycle

engine

has

no

oil

sump

in

the

crankcase;

therefore

it

relies

on

the

oil

in

the

fuel

mixture

for

lubrication.

A

CAUTION

ALL

2

CYCLE

ENGINES

MUST

HAVE

OIL

MIXED

INTO

THE

FUEL.

Mix

oil

with

fresh

clean

unleaded

auto¬

motive

gasoline.

(Leaded

"regular"

grade

gasoline

is

an

acceptable

substitute.)

See

FUEL

MIX

CHART.

Use

SAE

30

or

40

outboard

or

2-cycle

oil.

DO

NOT

USE

AUTOMOTIVE

OILS.

Disregard

instruc¬

tions

on

oil

containers.

DO

NOT

mix

directly

in

engine

fuel

tank.

Doing

so

could

cause

engine

damage.

Refer

to

engine

owner's

manual.

FOR

THOROUGH

MIXING

OF

OIL

AND

GASOLINE-

Fill

can

to

one

quarter

full,

add

oil

per

chart,

shake

can

vigorously,

fill

remainder

of

can

with

gas

and

reshake

contents.

ONCE

MIXED,

OIL

AND

GASOLINE

WILL

NOT

SEPARATE.

MODELS

350,

350E,

500

500E

&

520

(4

Cycle

Engines)

Fill

tank

with

fresh,

clean

unleaded

automotive

gasoline.

(Leaded

"regular"

grade

gasoline

is

an

acceptable

substi¬

tute).

A

CAUTION

DO

NOT

MIX

OIL

WITH

THE

GASO¬

LINE.

NEVER

USE

PREMIUM

OR

WHITE

GASOLINE.

(4

CYCLE

ENGINES).

THE

USE

OF

GASOHOL

IS

NOT

RECOMMENDED.

2

CYCLE

ENGINES

FUEL

MIX

CHART

Mixture

32:1

(3%

mixture)

U.S.

IMPERIAL

S.l.

(METRIC)

Gas

Oil

To

Be

Added

Gas

Oil

To

Be

Added

Petrol

Oil

To

Be

Added

1

Gal.

4

oz.

1

Gal.

4.5

oz.

4

Liters

.125

L

2

Gal.

8

oz.

2

Gal.

9

oz.

8

Liters

.250

L

5

Gal.

20

oz.

5

Gal.

22

oz.

20

Liters

.625

L

MODELS

350,

350E,

500

500E

&

520

FILL

ENGINE

CRANKCASE

-

4

CYCLE

ENGINES

ONLY

Before

operating,

fill

the

crankcase

to

"FULL"

mark

on

dipstick

(A),

Figure

8,

using

proper

grade

and

amount

of

a

quality

engine

oil.

7

OPERATION

MOTE

When

first

operating

snow

thrower

give

yourself

ample

time

to

acquaint

yourself

with

the

machine.

Practice

using

ALL

controls.

STARTING

THE

ENGINE

(RECOIL

START)

1.

Turn

ignition

switch

to

"ON"

position.

2.

Pull

choke.

3.

Push

primer

button

1

to

4

times

(depending

on

temperature).

In

tempera¬

tures

above

+15°F

(-10°C)

use

one

or

two

primes.

In

temperatures

below

+15°F

(-10°C)

use

three

or

four

primes.

To

prime

engine,

fully

depress

primer

bulb

with

your

thumb

(if

primer

bulb

has

a

vent

hole,

be

sure

thumb

covers

hole

when

priming).

Release

and

allow

bulb

to

return

to

original

position.

An

engine

should

be

primed

if

it

is

new,

cold,

stored,

unused

for

an

extended

period

of

time

or

has

been

run

dry

of

fuel.

4.

Start

engine.

Hot

or

cold

start

—

pull

starter

rope

(see

"STARTING

INSTRUCTIONS"

in

engine

manual).

5.

When

engine

starts,

push

choke

con¬

trol

in

(if

choking

was

necessary).

6.

Pull

up

auger

clutch

control

(if

so

equipped)

to

engage

impeller.

If

adjust¬

ment

is

necessary

refer

to

CARE

AND

MAINTENANCE

section.

STARTING

THE

ENGINE

(ELECTRIC

START)

1.

P

lug

cord

into

starter

switch

con¬

nector

(H),

Figure

6,

and

a

convenient

120

volt

outlet.

2.

Follow

steps

1,2

and

3

from

recoil

start

engine

starting

instructions.

3.

Press

starter

button

(see

"START¬

ING

INSTRUCTIONS"

-

Electric

Start

section

in

engine

manual).

Release

as

soon

as

engine

starts.

A

CAUTION

DO

NOT

CRANK

WITH

ELECTRIC

STARTER

FOR

MORE

THAN

60

SECONDS.

IF

CRANKED

FOR

60

SECONDS

STARTER

SHOULD

NOT

BE

OPERATED

AGAIN

FOR

20

MINUTES

TO

ALLOW

IT

TO

COOL.

4.

After

engine

starts,

push

choke

con¬

trol

in

(if

choking

was

necessary)

and

re¬

move

extension

cord

(from

receptacle

first).

5.

Pull

up

auger

clutch

control

(if

so

equipped)

to

engage

impeller.

If

adjust¬

ment

is

necessary

refer

to

CARE

AND

MAINTENANCE

section.

STOPPING

THE

ENGINE

1.

Turn

ignition

key

to

"OFF"

position.

Remove

key.

2.

Be

sure

all

moving

parts

have

stopped

before

leaving

the

operator's

position.

A

CAUTION

STOP

THE

ENGINE

BEFORE:

•

Adding

fuel.

•

Leaving

snow

thrower

unattended,

if

only

for

a

minute.

•

Clearing

discharge

opening.

•

Making

any

repairs

or

adjustments

to

unit.

OPERATING

TIPS

1.

Before

the

first

snowfall

thoroughly

inspect

area

where

snow

removal

will

take

place.

Remove

all

door

mats,

sleds,

boards,

wires,

etc.

that

might

be

picked

up

and

thrown

by

the

impeller

paddles.

2.

Spray

the

inside

of

impeller

paddle

housing

and

directional

vanes

with

Bolens

silicone

spray

to

help

prevent

snow

build

up.

A

coat

of

paste

wax

is

also

suitable.

3.

All

covers

and

guards

must

be

in

place

and

all

nuts,

screws

and

other

fasteners

tight.

4.

Allow

engine

to

warm

up

approx¬

imately

five

(5)

minutes

before

using.

5.

Removing

snowfall

as

soon

as

possible

produces

the

best

results.

6.

To

obtain

the

greatest

performance

from

snow

thrower,

place

vanes

in

a

vertical

position,

discharge

snow

down¬

wind

and

overlap

each

pass

slightly.

7.

The

type

of

snow

you

are

throwing

will

dictate

to

you

how

to

use

this

machine.

In

light,

fluffy

snow

the

unit

will

propel

itself

if

tilted

forward

slightly

(lifting

up

on

handle

-

as

shown

below)

allowing

the

impeller

paddles

to

contact

the

ground.

In

heavy

wet

snow

the

unit

will

propel

itself

forward

without

tilting.

NOTE:

The

depth

and

weight

of

snow

to

be

cleared

will

control

forward

speed

of

snow

thrower.

8.

In

heavy,

wet

snow

overlapping

is

essential

to

prevent

overloading.

Permit

machine

to

work

at

a

slow

pace.

If

engine

slows

down

due

to

overloading,

pull

unit

back

out

of

snow

and/or

release

auger

clutch

control

(if

so

equipped)

until

engine

regains

Full

power.

Then

allow

machine

to

propel

itself

back

into

snow.

8

OPERATION

(continued)

9.

T

o

clear

snow

from

steps

or

to

cut

down

drifts,

hold

snow

thrower

by

the

upper

and

lower

handles

and

use

a

side-

to-side

(swinging)

motion.

10.

Before

storing

unit,

let

engine

run

a

few

minutes

to

keep

ice

from

forming

on

moving

parts.

Clear

control

panel

of

snow

and/or

water

to

eliminate

possible

freeze

up

of

controls.

11.

When

storing

unit,

move

vanes

to

vertical

position

to

prevent

possible

dis¬

tortion

of

vanes.

TROUBLESHOOTING

Before

you

take

your

snow

thrower

in

for

repairs,

make

sure

you

have

followed

the

instructions

in

this

manual.

Check

to

see

if

the

malfunction

is

something

you

can

correct

yourself.

The

above

table

may

help

you

locate

your

problem.

PROBLEM

CAUSE

1.

Engine

will

turn

over

but

will

not

start

1.

Ignition

switch

in

"OFF"

position.

2.

Faulty

or

fouled

spark

plug.

3.

Spark

plug

wire

disconnected.

4.

Empty

fuel

tank.

5.

Incorrect

choke

settinq.

2.

Starts

only

after

repeated

tries

1.

Faulty

or

fouled

spark

plug.

2.

Incorrect

choke

settinq.

3.

Idles

rough

1.

Faulty

or

fouled

spark

plug.

2.

Incorrect

choke

settinq.

4.

Engine

overheats

1.

Dirty

air

screen

(4

cycle

engines).

2.

Low

oil

level

(4

cycle

engines).

3.

Spark

plug

loose.

4.

Dirty

cooling

fins.

5.

Improper

fuel

mix

(2

cycle

engines).

5.

Impeller

does

not

turn

1.

Torn

or

worn

belt.

2.

Auger

Clutch

not

engaged.

6.

Electric

start

unit

will

not

crank

the

engine

1.

Extension

cord

not

plugged

in.

2.

Fuse

or

circuit

breaker

for

outlet

blown.

3.

Faulty

extension

cord

or

pluq.

7.

Snow

Thrower

will

not

throw

snow

1.

Auger

Clutch

not

engaged.

2.

Worn

impeller

paddles.

3.

Worn

or

torn

drive

belt.

8.

Engine

will

not

stop

with

key

off.

1.

Faulty

or

disconnected

ignition

switch.

2.

Lead

wire

broken.

CARE

AND

MAINTENANCE

Check

and

tighten

(if

necessary)

all

nuts

and

bolts

before

using

this

machine

and

periodically

thereafter

(approx,

every

two

(2)

hours

of

operation).

Vibration

and/or

rough

handling

may

cause

hardware

to

loosen.

Tighten

as

required.

Refer

to

Engine

Manual

for

mainte¬

nance

procedures

and

requirements

not

covered

in

this

manual.

SPARK

PLUG

Clean

and

regap

spark

plug

as

necessary,

Figure

10.

2

CYCLE

ENGINE:

.035"

(0.9mm)

-

4

CYCLE

ENGINE:

.030"

(0.76mm).

Refer

to

Engine

Manual

for

cleaning

proce¬

dure

and

replacement.

When

removing

plug

for

maintenance

be

sure

to

clean

area

around

spark

plug

to

prevent

dirt

from

entering

engine.

The

spark

plug

is

located

under

the

upper

cover.

A

dirty,

oily

or

carboned

spark

plug

makes

starting

difficult

and

causes

inefficient

operation.

ENGINE

CRANKCASE

MODELS

225,

225E,

300

&

300E

2

CYCLE

ENGINE

-

Proper

engine

lubrication

is

provided

by

adding

the

correct

pre-mixed

fuel

to

gasoline

tank.

See

page

7.

COMPLIANCE

WITH

RADIO

INTER¬

FERENCE

REGULATIONS

CER¬

TIFIED.

REPLACE

SPARK

PLUG

WITH

RESISTOR

SPARK

PLUG

ONLY.

Fig.

10

MODELS

350,350E,

500,

500E

&

520

4

CYCLE

ENGINE

-

Change

oil

after

first

2

hours

of

operation

and

every

25

hours

thereafter.

Check

oil

level

every

5

operating

hours.

Posi¬

tion

snow

thrower

in

its

normal

9

CARE

AND

MAINTENANCE

operating

position

(wheels

and

scraper

blade

on

the

ground).

Clean

dirt

and/or

snow

from

around

open¬

ing

(A),

Figure

11.

Keep

oil

level

to

"FULL"

mark

on

dipstick.

Refer

to

Engine

Manual

for

proper

proce¬

dure

to

drain

and

refill

engine

crankcase.

The

drain

plug

(Q),

Fig¬

ure

11

is

located

on

backside

of

unit

in

the

bottom

left-hand

corner.

Refer

to

Engine

Manual

and/or

BEFORE

OPERATION

instructions

for

proper

type

oil

and

quantity.

CARBURETOR

ADJUSTMENTS

DO

NOT

MAKE

UNNECESSARY

ADJUSTMENTS.

FACTORY

SET¬

TINGS

ARE

SATISFACTORY

FOR

MOST

APPLICATIONS

AND

CON¬

DITIONS.

HOWEVER

IF

ADJUST¬

MENTS

ARE

NEEDED,

PROCEED

AS

FOLLOWS.

4

CYCLE

ENGINE

-

The

engine

has

been

pre-set

to

run

at

3600

RPM.

Turn

high

speed

adjustment

needle

(B),

Figure

11,

to

regulate

flow

of

gasoline

to

the

engine.

For

com¬

plete

adjustment

procedure,

refer

to

Engine

Manual.

IMPORTANT

When

closing

adjusting

needles,

close

finger

tight

only.

Forcing

may

cause

damage.

2

CYCLE

ENGINE

-

The

engine

has

been

pre-set

to

run

at

4300

RPM.

Through

opening

(C),

Figure

12,

in

hand

side

of

machine,

turn

the

mixture

adjusting

screw

(D)

(using

a

screwdriver)

to

regulate

flow

of

fuel

to

the

engine.

IMPORTANT

Do

not

force

screw

tight.

Damage

to

carburetor

or

screw

could

occur.

Refer

to

Engine

Manual

for

com¬

plete

adjustment

procedure.

IMPELLER

CLUTCH

ADJUSTMENT

(for

models

so

equipped)

Adjust

cable

(E),

Figure

13

up

or

down

by

moving

chain

(F)

one-half

line

(one

loop)

at

a

time.

If

impeller

doesn't

rotate

when

engaged,

unhook

chain,

pull

up

on

cable

and

rehook

chain

in

next

lower

loop.

If

impeller

rotates

without

engaging,

unhook

chain

and

rehook

chain

in

next

highest

loop.

Repeat

proce¬

dure

until

proper

adjustment

is

achieved.

PADDLE

REPLACEMENT

If

paddles

become

worn

and

fail

to

propel

the

snow

thrower,

replace¬

ment

may

be

necessary.

Replace

all

3

paddles,

one

at

a

time.

STOP

ENGINE.

1.

Remove

screws

(G),

Figure

14,

that

secure

paddle

(H)

to

impeller

frame

(I).

2.

Remove

old

paddle.

3.

Install

new

paddle

and

secure

it

to

impeller

using

the

same

screws

and

hex

nuts

used

to

secure

old

paddle.

4.

Repeat

procedure

for

other

paddles.

BELT

ADJUSTMENT

-

MODELS

225,

225E,

300

&

300E

If

the

idler

pulley

does

not

apply

enough

tension

to

belt

to

drive

impeller,

adjust

belt

as

follows:

1.

Remove

drive

cover.

Remove

the

(8)

screws

(A

&

B)

shown

in

Figure

16.

Two

plugs,

in

cover,

must

be

removed

to

reach

screws

(A).

2.

Remove

anchor

screw

(Q),

Fig¬

ure

15,

and

reinstall

screw

in

low

position

shown

in

Figure

15.

NOTE

Spring

must

never

be

stretched

(measured

from

end

to

end)

more

that

3"

(76

mm).

If

necessary,

repo¬

sition

anchor

screw

to

position

"X",

Figure

15.

10

3.

Reinstall

drive

cover.