Snapper 4220 Series Manuale operativo e di manutenzione

Safety

Instructions

Operator's

Manual

for

SNOW

THROWERS

§>

THANK

YOU

for

buying

SNAPPER

product!

Your

SNAPPER

SNOW

THROWER

was

designed

and

built

provide

long

and

satisfactory

service.

Keep

mind

that

it,

any

other

mechanical

device,

can

potentially

dangerous

used

improperly

and

that

accident

prevention

program

can

successful

without

the

wholehearted

co¬

operation

the

person

responsible

for

the

operation

the

equipment.

Study

this

Operator’s

Manual

carefully

learn

about

operation

all

controls

and

pay

particular

attention

the

Important

Safety

Precau¬

tions

Page

Following

these

instruct¬

ions

will

help

you

continue

enjoy

the

trouble-free

operation

expected

SNAPPER

product.

SNAPPER

POWER

EQUIPMENT

qua

McDonough,GA*

30253

MANUAL

1-5190

(REVISION

3/86)

SAFETY

INSTRUCTIONS

WARNING:

This

powerful

snow

thrower

capable

amputating

hands

and

feet

and

throwing

objects

causing

in¬

jury.

Read

this

manual

carefully

and

question

your

Snapper

Dealer

something

not

clear.

Should

the

dealer

unable

answer

your

satisfaction,

send

letter

the

Snapper

Customer

Service

Department

Snapper

Power

Equipment,

Post

Office

Box

777,

McDonough,

Georgia

30253,

Phone

1-404-957-9141.

PROTECTION

FOR

CHILDREN

NOT

allow

children

area

when

Snow

Thrower

being

operated.

NOT

allow

pre-teen

children

operate

Snow

Thrower.

NOT

allow

irresponsible

teenagers

operate

the

machine

—

allow

teenager

only

exhibiting

mature

judge¬

ment

and

then

only

after

thorough

instruction

and

under

supervision

experienced

operator.

PREPARATION

Read

this

manual,

get

know

where

all

controls

are

located

and

practice

how

use

them

before

starting

for

the

first

time

and

the

beginning

each

season.

Pay

attention

Decals

engine

and

snow

thrower.

Wear

protective

clothing

including

face

mask

and

boots

which

will

give

you

maximum

footing

slippery

sur¬

faces.

Before

the

first

snow

fall,

check

the

area

cleared

and

remove

all

objects

such

doormats,

sticks,

toys,

wires,

rocks,

etc.,

which

could

hurled

jam

the

snow

thrower.

Survey

the

area

cleared

beforehand

and

plan

where

snow

blown.

prepared

release

blower

clutch

change

deflector

quickly

discharge

away

from

windows,

cars,

buildings

and

doorways

avoid

property

damage

personal

injury

from

hurled

objects.

Adjust

the

collector

housing

height

adjusting

skid

shoes

clear

rough

spots

gravelled

surfaces

before

starting.

Handle

fuel

with

care.

Store

only

approved

gasoline

container.

Move

machine

outdoors

where

fumes

can

safely

dissipated

before

filling

tank.

Never

add

fuel

when

engine

running.

Allow

cooling

off

period

after

stop¬

ping

avoid

spilled

fuel

from

igniting

contact

with

hot

engine

parts.

OPERATIONAL

PRECAUTIONS

Before

starting,

make

visual

check

make

sure

blower

housing

clear

and

all

guards

and

shields

are

place

and

tight.

Warn

everyone

advance

stay

clear

area

but

keep

especially

watchful

for

children

and

pets

darting

into

area

while

operating.

Start

engine

only

when

exhaust

fumes

can

dissipated,

allow

brief

warm-up

period,

practice

operation

con¬

trols

outside

before

putting

the

machine

work.

Start

slow

speed

and

adjust

traction

speed

insure

safe

footing

you

walk

behind

the

unit.

Exercise

ex¬

treme

caution

retain

footing

when

reversing

direction.

Transport

unit

with

blower

clutch

handle

released

and

activate

only

when

snow

cleared.

Set

deflector

•

discharge

desired

distance

beforehand.

Adjust

traction

speed

slow

enough

avoid

overloading

capacity

and

resulting

clogging

the

blower

housing.

Should

the

blower

become

clogged,

release

traction

and

blower

clutch

handles

and,

additional

precau¬

tion,

stop

the

engine

before

attempting

unclog

the

collector

and

impellers.

you

strike

hard

object

and

break

the

auger

shear

pin,

stop

the

engine

and

disconnect

the

spark

plug

wire

before

inspecting

for

damage,

and/or

replacing

the

shear

pin.

Stbp

the

engine

unit

starts

vibrate

excessively

this

normally

indicates

mechanical

problems.

Disconnect

the

spark

plug

wire

prevent

unintentional

starting

before

servicing

repairing

the

machine.

10.

Avoid

clearing

steep

slopes

and

keep

away

from

drop-off

areas

where

footing

doubtful

where

the

machine

could

tip

over.

Clear

snow

across

the

face

slopes

whenever

possible.

11.

Stop

the

engine

and

remove

the

key

whenever

you

leave

the

unit

unattended

eliminate

the

possibility

children

untrained

adults

attempting

operate

the

machine.

Section

FAMILIARIZATION

This

manual

covers

the

Snapper

Model

4220

and

5240

Series

two

stage

snow

throwers.

addition

the

recom¬

mended

operating

instructions,

includes

routine

service

and

adjustment

procedures.

Comprehensive

overhaul/repair

and

parts

manuals

are

available

from

your

Snapper

Dealer

nominal

cost.

Refer

the

Engine

Owner’s

Manual

accompanying

your

unit

for

specific

details

involving

engine

operation

and

service.

Refer

the

illustration

below

for

location

controls

and

other

points

interest.

Make

sure

all

operators

become

thoroughly

familiar

with

controls

and

carefully

read

and

understand

all

safety

instructions

relating

the

engine

and

Snow

Thrower.

________

SHU

Bit

EXPLANATION

MODEL

NUMBERS

MODEL

NUMBERS

(Apprpx.),

'UEL

TANK

FIL

KEEP

TIGHTEN

DISCHARGE

DEF

FIGURE

1.1

LOCATION

CONTROLS

OTHER

FEATURES

Section

MACHINE

OPERATION

2.1

Make

sure

that

each

person

authorized

operate

this

SNOW

THROWER

reads

this

manual

prior

operation

and

pays

particular

attention

safety

precautions

(inside

front

cover)

and

all

warning

decals

the

machine.

Check

and

perform

the

following

before

each

start-up.

2.2

PRE-START

CHECK

ADJUSTMENTS

ENGINE

LUBE:

Check

level

and

add

oil,

needed,

weight

and

grade

specified

the

Engine

Owner’s

Manual.

FUEL

SUPPLY:

After

making

sure

unit

safely

away

from

ignition-producing

applianc¬

es,and

area

where

gasoline

fumes

can

dissipated,

fill

fuel

tank

with

gasoline

specified

Engine

Manual.

CHECK

TIRES

and

bring

pressure

specifications

-12-15

psi

without

tire

chains

15-20

psi

with

chains.

CHECK

UNIT

make

sure

guards

and

shields

are

place

and

tight.

Also

check

blower

housing

insure

that

free

all

objects.

RESET

RUNNERS

suit

area

cleared.

Lower

skid

shoes

provide

greater

clearance

over

gravel,

raise

the

shoes

for

smooth,

paved

surface.

Refer

Figure

3.7,

SKID

SHOE

ADJUSTMENT.

SET

DEFLECTOR

CAP

throw

snow

desired

distance.

Loosen

wing

nut,

push

cap

edge

back

even

with

the

chute

throw

snow

feet

away,

pull

cap

all

the

way

out

throw

snow

only

about

three

feet.

Retighten

wing

nut

after

repositioning

cap.

ALWAYS

STOP

ENGINE

before

repositioning.

2.3

OPERATIONAL

CONTROLS

Know

how

stop

the

SNOW

THROWER

quickly

preparation

for

possible

emergency

situations.

Forward

and

reverse

motion

stopped

releasing

your

grip

the

TRACTION

CLUTCH

handle

the

left

handle

bar.

See

Figure

2.1.

The

blower

auger

blades

and

impeller

fan

will

stop

rotating

within

five

seconds*

after

releasing

the

BLOWER

CLUTCH

handle

the

right.

Stop

the

engines

all

models

rerhoving

the

ignition

key.

Other

operational

controls

are

discussed

where

pertinent

under

the

following

operating

procedures.

*NOTE:

rotation

continues

after

five

seconds,

refer

the

CLUTCH

CABLE

instructions

for

readjustment.

2.4

STARTING

WARMUP

Whenever

possible,

push

SNOW

THROWER

outdoors

before

starting.

the

unit

must

started

inside

your

garage,

for

example,

make

sure

doors

are

wide

open

provide

maximum

ventilation.

Move

the

unit

outdoors

soon

possible

after

starting.

After

performing

the

pre-start

checks

and

services

described

earlier,

proceed

follows:

THROTTLE

CONTROL:

Move

control

FAST

position.

CHOKE:

Refer

Engine

Manual

for

priming

and/or

choking

details.

ENGINE

IGNITION:

all

units,

insert

key

turn

key

position.

D(1)ROPE

STARTING:

manual

start

models,

pull

starting

rope

out

smooth,

steady

motion

until

engine

starts.

prolong

the

life

the

starter

rope,slowly

guide

the

handle

back

the

engine

rather

than

allowing

snap

back.

D(2)ELECTRIC

STARTING:

units

with

plug-in

120

Volt

electric

start,

connect

the

starter

cable

the

engine

starter

system,

insert

the

three

pronged

plug

into

grounded

110-volt

power

receptacle

and

depress

the

starter

button

the

cable

until

engine

starts.

Detach

cable

from

receptacle

and

engine.

jump

start

equipped

models,

refer

instructions

provided

kit.

NOTE:

engine

does

not

start

after

five

seconds

continuous

cranking,

release

the

key

start

button

prevent

overheating

the

starting

motor.

Locate

and

correct

cause

starting

problem

before

repeating

electric

starting

attempt.

WARM-UP

PERIOD:

Allow

brief

warm-up

outside

with

clutches

released

avoid

stalling

cold

engine.

Reset

Choke

instructed

Engine

Manual

the

unit

warms

up.

2.5

OPERATION:

Select

desired

traction

speed

adjusting

DIRECTION

CONTROL

LEVER,

depress

TRACTION

CLUTCH

handle

and

drive

unit

area

cleared.

Depress

BLOWER

CLUTCH

handle

and

proceed

blow

snow.

The

THROTTLE

CONTROL

should

normally

the

FAST

position

for

best

result

under

most

conditions.

CAUTION:

clogging

occurs,

back

unit

away

from

snow

bank,

release

both

CLUTCH

handles

and,

further

precaution,

stop

the

engine

and

remove

spark

plug

wire

before

clearing

the

snow

from

the

housing

and/or

discharge

chute.

2.6

BEFORE

STOPPING:

Move

unit

cleared

area,

release

TRACTION

CLUTCH

handle

and

run

top

speed

with

BLOWER

CLUTCH

HANDLE

depressed

clear

housing

slush

and

snow,

thus

preventing

freeze-up

the

impeller

upon

restart¬

ing

time.

STOPPING

PROCEDURE:

all

units,

remove

the

key

stop

engine

move

the

THROTTLE

CONTROL

OFF

STOP.

Section

III

MAINTENANCE

3.1

LUBRICATION

SERVICES

Refer

the

Engine

Manual

for

lubrication

requirements

the

engine

powering

your

SNOW

THROWER.

Your

SNOW

THROWER

unit

has

five

(5)grease

fittings,

two

(2)

the

augers,

one

(1)

the

gearbox

housing

and

two

(2)

the

auger

shaft

bearings

shown

Figure

3.1.

Service

these

and

the

other

general

lube

points

follows:

FIGURE

3.1

3.2

AUGER

LUBRICATION:

ONCE

EACH

YEAR,

preferably

the

end

the

winter

season,

remove

the

two

(2)

shear

bolts,

apply

grease

the

fittings,

then

spin

the

auger

work

the

grease

out

along

the

auger

shaft.

Continue

greasing

and

spinning

augers

until

grease

appears

both

ends

each

auger

tube.

Reinstall

shear

bolts

and

nuts

after

servicing.

This

procedure

will

prevent

the

auger

shaft

from

rusting

the

auger

tube.

3.3

BEARING

LUBE:

ONCE

EACH

YEAR,

apply

one

two

shots

grease

from

gun

the

bearing

greasq

fittings

located

the

ends

the

auger

shaft,

just

inside

the

blower

housings.

3.4

GENERAL

LUBE

POINTS:

ONCE

EACH

YEAR,

often

rust

hampers

operation,

spread

light

coating

grease

the

chute

crank

worm

and

the

underside

the

gear

ring

the

base

the

discharge

chute.

Squirt

oil

from

the

oil

can

into

the

gap

between

the

inside

the

discharge

chute

and

the

outside

the

discharge

flange

the

blower

housing.

Crank

chute

back

and

forth

while

oiling

spread

lubrication

evenly

over

both

surfaces.

Although

not

absolutely

necessary,

you

may

want

remove,

each

wheel

the

end

the

season

and

apply

coating

grease

the

axle

shafts.

This

will

help

prevent

rust

and

allow

the

wheels

moved

easily

from

transport

traction

mode

during

the

season.

3.5

GEARBOX

LUBRICATION:

Grease

ONCE

EACH

YEAR,

often

required,

with

shots

SNAPPER

“00”

grease.

See

Figure

3.2.

FIGURE

3.2

3.6

CHUTE

CRANK

SERVICE

the

chute

does

not

crank

easily

after

lubricating,

specified

under

GENERAL

LUBE

POINTS,

loosen

both

nuts

the

outside

the

crank

worm

bracket

shown

Figure

3.3

and

move

the

bracket

slightly

away

from

the

chute

gear

back

toward

the

ring

until

the

chute

again

cranks

with

minimum

effort.

Retighten

inside

nut

first,

then

jam

the

outside

nut

tight

against

the

inside

nut

lock

the

new

setting.

Section

III

MAINTENANCE

3.7

BELT

SERVICE

Belts

not

require

attention

any

specific

interval,

but

should

checked

performance

deteriorates.

This

could

occur

due

slippage

worn

loose

belts.

Check

and

adjust

tension

clutch

cables

first

described

the

CLUTCH

ADJUSTMENT

section.

performance

continues

poor,

after

clutch

cable

tension

has

been

corrected,then

check

belts.

MAKE

SURE

ENGINE

STOPPED

AND

SPARK

PLUG

WIRE

DIS¬

CONNECTED

before

working

the

belts.

NOTE:

Blower

rotation

should

cease

within

five

seconds

after

clutch

handle

released.

rotation

continues

after

five

seconds,cable

may

too

tight.

readjusting

the

cable

does

not

correct

the

stopping

time,

check

make

sure

the

idler

return

spring

connected

and

that

the

idler

properly

set.

See

your

SNAPPER

Dealer

have

this

condition

corrected.

3.8

BELT

TENSION:

Tension

the

traction

drive

belt

automatically

maintained

individual

idler

spring.

After

removing

the

belt

guard

and

bottom

cover,

check

make

sure

this

spring

intact

and

properly

installed.

the

spring

properly

connected,

check

for

excessively

worn

belts.

Notice

the

return

spring

the

idler

for

the

blower

drive

this

spring

activates

the

brake.

The

idler

should

always

return

braking

position!

Tension

the

blower

drive

belt,

which

the

dia.

engine

drive

pulley,

adjusted

loosening

and

repositioning

the

idler

pulley.

increase

tension,

loosen

the

idler

pulley

retaining

nut,

hold

the

idler

arm

and

push

the

pulley

tighter

against

the

belt.

See

Figure

3.4.

Retighten

nut

after

repositioning

and

check

for

proper

clutching

action

with

blower

clutch

handle

released.

Tension

the

traction

belt

the

inside

groove

non-adjustable.

Before

reinstalling

belt

guard,check

make

sure

the

belt

guide

the

right

side

about

1/16”

away

from

the

outside

surface

the

blower

belt

with

clutch

engaged.

Adjust

the

guide

loosening

bolts

and

moving

guide.

3.9

CLUTCH

CABLE

ADJUSTMENT

slippage

noted,check

tension

both

clutch

cables.

When

properly

adjusted,the

cables

should

completely

slack

with

clutch

handle

released

and

tight

when

the

handle

fully

depressed.

The

springs

both

cables

should

deflect

3/8”

when

the

handle

depressed.

adjust

cable

length,

(shorten

lengthen),

loosen

jam

nut

and

rotate

adjuster

sleeve.

Retighten

jam

nut.

See

Figures

3.5

and

3.6.

FIGURE

3.6

FIGURE

3.4

Section

III

MAINTENANCE

3.10

SKID

SHOE

ADJUSTMENT

The

skid

shoes

should

lowered

raise

the

blower

housing

clear

gravelled

rough

surfaces.

necessary

.adjust

until

almost

even

with

the

edges

the

housing

allow

clearing

down

smooth

paved

surfaces.

Note

that

the

skid

shoes

can

installed

upside

down

track

better

over

icy

hard-packed

surfaces.

adjust

the

skid

shoes,

block

under

the

lower

edge

the

blower

housing.

Loosen

the

retaining

nuts

and

slide

shoe

down

desired

height.

Retighten

the

nuts.

Set

both

skid

shoes

the

same

position.

See

Figure

3.7.

FIGURE

3.7

3.11

SERVICE

ASSISTANCE

Contact

your

SNAPPER

Dealer

for

replacement

parts

for

assistance

when

service

needed

keep

your

SNOW

THROWER

top

condition.

obtain

the

correct

parts

advice

for

your

particular

model,

always

report

the

model

and

serial

numbers

found

the

nameplate

attached

the

frame.

For

engine

parts

and

service,

contact

the

engine

manufacturer’s

dealer

your

area.

Complete

PARTS

and

SERVICE

(Overhaul

and

Repair)

Manuals

are

available

for

your

SNOW

THROWER

nominal

cost.

Order

these

from

your

SNAPPER

Dealer.

Service

Notes

MANUFACTURER’S

YEAR

LIMITED

WARRANTY

For

two

(2)

Years

from

purchase

date

for

the

original

purchaser’s

residential,

non-commercial

use

[ninety

(90)

days

from

purchase

date

for

the

original

purchaser’s

commercial,

rental,

other

non-

residential

use],

SNAPPER

POWER

EQUIPMENT,

through

any

SNAPPER

dealer

will

replace,

free

charge,

any

part

parts

found

upon

examination

the

factory

McDonough,

Georgia,

defective

material

workmanship

both.

All

transportation

cost

incurred

the

purchaser

submitting

material

SNAPPER

dealer

for

replacement

under

this

warranty

must

borne

the

purchaser.

This

warranty

does

not

apply

engines

and

their

components,

these

items

are

warranted

separately

their

manufacturers,

and

does

not

apply

batteries

which

are

covered

separately.

This

warranty

does

not

apply

parts

that

have

been

damaged

accident,

alteration,

abuse,

improper

lubrication,

normal

wear,

other

cause

beyond

our

control.

There

other

express

warranty.

Implied

warranties,

including

those

merchantability

and

fitness

for

particular

purpose,

are

limited

two

(2)

years

from

purchase

date

for

the

original

purchaser’s

residential,

non-commercial

use

[ninety

(90)

days

from

purchase

for

the

original

purchaser’s

commercial,

rental

other

non-

residential

use],

and

the

extent

permitted

law

any

and

all

implied

warranties

are

excluded.

This

the

exclusive

remedy.

Liabilities

for

consequential

damages,

under

any

and

all

warranties

are

excluded.

Some

states

not

allow

limitations

how

long

implied

warranty

lasts,or

not

allow

the

ex¬

clusion

limitation

incidental

consequential

damages,

the

above

limitation

exclusion

may

not

apply

you.

This

warranty

gives

you

specific

legal

rights,

and

you

may

also

have

other

rights

which

vary

from

state

state.

snapper

power

equipment

McDonough,GA*

30253

1-5190

(REVISION

3/86)

Printed

U.S.A.

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