MTD 136-390A Manual

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Owner's

Operating

Service

Instruction

Manual

Model

Nos.

136-390A

•

ASSEMBLY

136-395A

•

OPERATION

•

REPAIR

PARTS

30

”

RIDING

MOWERS

lOcfc

MTD

PRODUCTS

INC

•

5389

WEST

130th

STREET

•

P.

0.

BOX

2741

CLEVELAND

OHIO

441II

PRINTED

IN

U.S.A.

FORM

NO.

770-6034

IMPORTANT

It

is

suggested

that

this

manual

be

read

in

its

entirety

before

attempting

to

assemble

or

operate.

Keep

this

manual

in

a

safe

place

for

future

reference

and

for

ordering

replacement

parts.

This

unit

is

shipped

WITHOUT

GASOLINE

or

OIL.

After

assembly,

see

operating

section

of

this

manual

foi

proper

fuel

and

amount.

SAFE

OPERATION

PRACTICES

FOR

RIDING

VEHICLES

1.

Know

the

controls

and

how

to

stop

quickly—

READ

THE

OWNER’S

MANUAL.

2.

Do

not

allow

children

to

operate

vehicle.

Do

not

allow

adults

to

operate

it

without

proper

instruction.

3.

Do

not

carry

passengers.

Keep

children

and

pets

a

safe

distance

away.

4.

Clear

work

area

of

objects

which

might

be

picked

up

and

thrown.

5.

Disengage

all

attachment

clutches

and

shift

into

neutral

before

attempting

to

start

engine.

6.

Disengage

power

to

attachment(s)

and

stop

engine

before

leaving

operator

position.

7.

Disengage

power

to

attachments)

and

stop

engine

before

making

any

repairs

or

adjust¬

ments.

8.

Disengage

power

to

attachments)

when

transporting

or

not

in

use.

9.

Take

all

possible

precautions

when

leaving

vehicle

unattended

such

as

disengaging

power-take-off,

lowering

attachments,

shift¬

ing

into

neutral,

setting

parking

brake,

stopping

engine

and

removing

key.

10.

Do

not

stop

or

start

suddenly

when

going

uphill

or

downhill.

Mow

up

and

down

face

of

steep

slopes;

never

across

the

face.

11.

Reduce

speed

on

slopes

and

in

sharp

turns

to

prevent

tipping

or

loss

of

control.

Exercise

ex¬

treme

caution

when

changing

direction

on

slopes.

12.

Stay

alert

for

holes

in

terrain

and

other

hidden

hazards.

13.

Use

care

when

pulling

loads

or

using

heavy

equipment.

A.

Use

only

approved

drawbar

hitch

points.

B.

Limit

loads

to

those

you

can

safely

control.

C.

Do

not

turn

sharply.

Use

care

when

backing.

D.

Use

counterweight(s)

or

wheel

weights

when

suggested

in

owner’s

manual.

14.

Watch

out

for

traffic

when

crossing

or

near

roadways.

15.

When

using

any

attachments

never

direct

dis¬

charge

of

material

toward

bystanders

nor

allow

anyone

near

vehicle

while

in

operation.

2

16.

Handle

gasoline

with

care—it

is

highly

flammable.

A.

Use

approved

gasoline

container.

B.

Never

remove

cap

or

add

gasoline

to

a

run¬

ning

or

hot

engine

or

fill

fuel

tank

indoors.

Wipe

up

spilled

gasoline.

C.

Open

doors

if

engine

is

run

in

garage—ex¬

haust

fumes

are

dangerous.

Do

not

run

engine

indoors.

17.

Keep

the

vehicle

and

attachments

in

good

operating

condition,

and

keep

safety

devices

in

place.

Use

guards

as

instructed

in

owner’s

manual.

18.

Keep

all

nuts,

bolts,

and

screws

tight

to

be

sure

the

equipment

is

in

safe

working

condition.

19.

Never

store

the

equipment

with

gasoline

in

the

tank

inside

a

building

where

fumes

may

reach

an

open

flame

or

spark.

Allow

engine

to

cool

before

storing

in

any

enclosure.

20.

To

reduce

fire

hazard

keep

engine

free

of

grass,

leaves

or

excessive

grease.

21.

The

vehicle

and

attachments

should

be

stopped

and

inspected

for

damage

after

striking

a

foreign

object,

and

the

damage

should

be

repaired

before

restarting

and

operating

the

equipment.

22.

Do

not

change

the

engine

governor

settings

or

overspeed

the

engine.

23.

When

using

the

vehicle

with

mower,

proceed

as

follows:

(1)

Mow

only

in

daylight

or

in

good

artificial

light.

(2)

Never

make

a

cutting

height

adjustment

while

engine

is

running

if

operator

must

dismount

to

do

so.

(3)

Shut

engine

off

when

removing

grass

catcher

and/or

unclogging

chute.

(4)

Check

blade

mounting

bolts

for

proper

tightness

at

frequent

intervals.

24.

Check

grass

catcher

bags

frequently

for

wear

or

deterioration.

Replace

with

new

bags

for

safety

protection.

25.

Look

behind

to

make

sure

the

area

is

clear

before

placing

the

transmission

in

reverse

and

backing

up.

INDEX

Safe

Operation

Practice.2

Index

and

Assembly

Instructions.3

Installing

the

Battery.5

Controis.

6

Operating

Instructions...

.9

Maintenance

and

Adjustment.10

Lubrication.

1

1

Belt

Removal.12

Trouble

Shooting

Chart

for

Recoil

Start

Model.

14

Trouble

Shooting

Chart

for

Electric

Start

Modeis.15

Electricai

Breakdown.

1

6

Differential.

.

17

Transmission.18

Transmission

Parts

List.19

Illustrated

Parts

for

Rider.

20,

23,

25

Parts

List

for

Rider.

21,23,

26,

Wheel

Chart.

2

7

Deck

Linkage.27

Parts

Information.Back

Cover

GRASS

CATCHER

Modei

No.

196-015A

is

avaiiable

as

optionai

equipment

for

the

mowers

shown

in

this

manuai.

\

WARNING

\

The

mower

should

not

be

operated

without

the

entire

grass

catcher

or

chute

deflector

in

place.

NOTE

Under

normal

usage

bag

material

is

subject

to

wear,

and

should

be

checked

periodically.

Be

sure

any

re¬

placement

bag

complies

with

the

manufacturer’s

recommendations.

For

replacement

bags,

use

only

fac¬

tory

authorized

replacement

bag

No.

764-0121.

IMPORTANT

After

striking

a

foreign

object,

stop

the

engine.

Remove

wire

from

spark

plug,

thoroughly

inspect

the

mower

for

any

damage,

and

repair

the

dam¬

age

before

restarting

and

operating

the

mower.

The

steering

wheei

and

seat,

with

the

necessary

hardware,

are

easily

assembled

to

the

machine.

On

the

eiectric

starter

models,

the

battery

must

be

activated

and

instaiied

as

outiined

in

this

section.

TIRE

PRESSURE

FOR

SHIPPING

PURPOSES,

THE

TIRES

ON

YOUR

UNIT

MAY

BE

OVER-INFLATED.

TIRE

PRESSURE

SHOULD

BE

REDUCED

BEFORE

UNIT

IS

PUT

INTO

OPERATION.

PRESSURE

SHOULD

BE

APPROXIMATELY

15

P.S.I.

EQUAL

TIRE

PRESSURE

SHOULD

BE

MAINTAINED

ON

ALL

TIRES.

MAXIMUM

TIRE

PRESSURE

IS

30

P.S.I.

ASSEMBLY

NOTE

Reference

to

right-hahd

or

left-hand

side

of

machine

is

from

the

driver’s

seat

facing

forward.

Hex

Bolt

G

H

QJ)

Hex

Lock

Nut

H—16

Belleville

Washer

W

FIGURE

1.

HARDWARE

SUPPLIED

Step

1.

Remove

the

iawn

mower

and

all

parts

from

the

carton.

Make

certain

that

all

loose

parts

and

literature

have

been

removed

before

the

carton

is

discarded.

Step

2.

Place

steering

wheei

over

steering

shaft.

Step

3.

Secure

with

Belleviile

washer

and

hex

nut.

See

figure

2.

Step

4.

Press

the

cap

on

the

steering

wheel

by

hand.

See

figure

2.

3

I

Steering

Wheel

Cap

Step

5.

Your

molded

seat

comes

with

the

mounting

bolt

molded

in

the

seat.

A.

Select

one

of

three

hole

locations

on

seat

spring.

B.

Place

seat

on

spring

and

secure

with

lockwasher

(A)

and

hex

nut

(B).

See

figures

1

and

3.

FIGURES.

SEAT

ASSEMBLY

NOTE

Check

all

nuts

and

bolts

for

correct

tightness.

BATTERY

INFORMATION

FOR

ELECTRIC

START

MODELS

A.

\

WARNING

{

Battery

acid

must

be

handled

with

great

care

as

it

will

blister

the

skin

and

damage

clothing.

It

is

advisable

to

wear

goggles,

rubber

gloves,

and

a

protective

apron

when

working

with

it.

B.

Neutralize

acid

spilled

on

clothing

with

dilute

ammonia

water

or

a

water

solution

of

baking

soda.

If

acid

gets

on

clothes,

dilute

it

with

clean

water

first,

then

neutralize.

C.

If

for

any

reason

acid

should

be

spattered

in

the

eyes,

wash

it

out

immediately

with

clean

cold

water.

Seek

medical

aid

if

discomfort

continues.

D.

Since

battery

acid

is

corrosive

to

metals,

do

not

pour

into

any

sink

or

drain.

Rinse

empty

electrolyte

containers

and

mutilate

before

dis¬

carding.

^

DANGER

\

BATTERIES

CONTAIN

SULFURIC

ACID

MAY

CONTAIN

EXPLOSIVE

GASES

(when

electrolyte

has

been

added)

A.

Keep

sparks,

flame,

cigarettes

away.

B.

Hydrogen

gas

is

generated

during

charging

and

discharging.

C.

Ventilate

when

charging

or

using

in

enclosed

space.

D.

When

using

a

charger—to

avoid

sparks—

NEVER

connect

or

disconnect

charger

clips

to

battery

while

charger

is

turned

on.

E.

Always

shield

eyes,

protect

skin

and

clothing

when

working

near

batteries.

A.

Activating

the

Battery

1.

Place

battery

to

be

filled

on

bench

or

workbench.

NEVER

activate

battery

in

unit.

Remove

vent

caps

from

all

cells.

2.

Fill

each

cell

carefully

using

battery

grade

1.250—1.265

specific

gravity.

Sulfuric

acid

to

be

3/8”

above

the

top

of

the

separators

or

to

the

split

ring.

3.

Allow

battery

to

set

for

20

minutes

to

1/2

hour.

Add

additional

acid

if

necessary

to

bring

it

up

to

the

proper

ievel.

4.

Replace

the

vent

caps.

5.

The

battery

can

now

be

charged

after

the

20

minutes

setting

period.

Battery

can

be

SLOW

CHARGED

(DO

NOT

FAST

CHARGE)

at

a

maximum

bench

rate

of

4-5

amperes

until

the

specific

gravity

reading

is

1.265—1.275.

A

charging

rate

in

excess

of

this

will

buckle

and

warp

the

positive

plates

and

perforate

the

separators.

If

electrolyte

bubbles

violently

while

charging,

reduce

charging

rate

until

excessive

bubbling

action

subsides,

then

continue

charging

until

specific

gravity

is

reached.

4

A

CAUTION

After

the

battery

has

been

in

service,

add

only

approved

water.

DO

NOT

ADD

ACID.

B.

To

Install

Battery

To

install

the

battery

in

this

unit,

refer

to

next

column.

C.

Maintenance

1.

Check

periodically

(every

two

weeks

or

before

and

after

charging)

to

be

sure

electrolyte

level

is

9/16”

above

separator

plates.

Add

only

distilled

water

or

good

quarrty

drinking

water.

NEVER

add

additional

acid

or

other

chemicals

to

battery

after

initial

activation.

2.

The

battery

should

be

checked

with

a

hydrometer

after

every

25

hours

of

operation.

If

the

specific

gravity

is

less

than

1.225

remove

battery

and

recharge.

3.

Coat

the

terminals

and

exposed

wiring

with

a

thin

coat

of

grease

or

petroleum

jelly

for

longer

service

and

protection

against

electro¬

lyte

corrosion.

4.

The

battery

should

be

kept

clean.

Any

deposits

of

acid

should

be

neutralized

with

soda

and

water.

Be

careful

not

to

get

this

solution

in

the

cells.

D.

Storage

1.

Charge

battery

using

normal

methods.

NEVER

store

discharged

battery

as

it

will

not

recover.

2.

Store

in

cold,

dry

place.

3.

Recharge

battery

whenever

the

specific

gravity

is

less

than

1.225

before

returning

to

service

or

every

two

months,

whichever

occurs

first.

E.

Common

Causes

for

Battery

Failure

Are:

1.

Overcharging

2.

Undercharging

3.

Lack

of

water

4.

Loose

hold

downs

and/or

corroded

connections

5.

Excessive

loads

6.

Battery

electrolyte

substitutes

7.

Freezing

of

electrolyte

NOTE

THESE

FAILURES

DO

NOT

CON¬

STITUTE

WARRANTY.

LIMITED

WARRANTY

For

ninety

(90)

days

of

original

retail

purchase,

the

battery

carries

a

limited

warranty

against

faulty

material

or

workmanship

by

the

battery

manu¬

facturer.

INSTALL

THE

BATTERY

A.

Open

the

hood

of

the

mower.

B.

Place

the

battery

with

the

terminals

to

the

FRONT

in

the

battery

case.

See

figure

4.

C.

Hook

both

hold-down

rods

under

the

battery

case

and

place

the

hold

down

over

the

battery

caps

and

secure

with

wing

nuts

D.

A

CAUTION

Be

sure

the

flared

edge

of

the

hold

down

is

facing

up

to

avoid

damage

to

the

battery.

D.

Attach

the

free

end

of

the

positive

cable

and

the

small

wire

from

the

ammeter,

to

the

positive

battery

terminai

with

bolt

E,

washer

F

and

nut

G.

The

battery

terminal

is

marked

+.

E.

Attach

the

free

end

of

the

negative

cable

to

the

negative

terminal

with

bolt

E,

washer

F

and

nut

G.

Battery

terminal

is

marked

-.

FIGURE

4.

INSTALLING

THE

BATTERY

5

I

CONTROLS

(See

figure

5.)

This

manual

should

be

read

in

its

entirety

before

you

operate

your

Riding

Mower.

The

more

you

know

and

understand

about

the

machine

and

its

operation,

the

better

job

it

will

do

for

you.

While

reading

the

manual,

compare

the

illustrations

with

your

mower

to

familiarize

yourself

with

the

locations

of

various

controls,

lubrication

points,

attachments

and

adjustment

features.

Study

the

operating

instructions

and

safety

precautions

thoroughly

to

insure

proper

function¬

ing

of

your

mower

and

to

prevent

injury

to

yourself

and

others.

Be

sure

to

save

this

manual

for

future

reference.

THROTTLE

CONTROL

The

throttle

control

is

used

to

regulate

the

engine

speed

and

to

activate

the

choke

on

the

engine.

To

get

maximum

efficiency

from

cutting,

the

throttle

should

be

in

the

FAST

position

when

operating

the

mower.

Pushing

the

throttle

all

the

way

forward,

past

FAST

will

choke

the

engine.

See

figures.

IGNITION

KEY

Recoil

Model.

The

key

must

be

turned

to

the

ON

position

before

you

pull

the

recoil

handle

to

start

the

engine.

Remove

the

key

when

the

mower

is

not

in

use.

Turn

the

key

to

the

left

to

the

OFF

position

to

stop

the

engine.

See

figure

10.

Electric

Model.

The

key

must

be

turned

to

the

START

position

to

start

the

engine.

After

the

engine

is

running

let

the

key

return

to

the

ON

position.

Remove

the

key

when

the

mower

is

not

in

use.

Turn

the

key

to

the

OFF

position

to

stop

the

engine.

See

figure

5.

FIGURES.

CONTROLS

INTERLOCKS

(Not

Shown)

An

interlock

safety

switch

is

located

on

the

clutch

pedal

and

the

lift

and

disengagement

lever.

The

clutch

pedal

must

be

depressed

all

the

way

down

and

can

be

locked

and

the

lift

and

disengagement

lever

must

be

in

the

disengaged

position

before

the

engine

can

be

started.

On

the

recoil

start

model,

the

ignition

will

be

grounded

and

on

the

electric

start

model,

the

starter

will

not

run.

BRAKE

The

brake

pedal

is

located

on

the

right

hand

side

of

the

mower

and

is

operated

by

depressing

it

with

your

right

foot.

See

figure

6.

BRAKE

LOCK

The

brake

lock

is

located

on

the

right

hand

side

of

the

mower.

To

lock

the

brake,

depress

the

brake

pedal

and

lift

up

the

lock

button.

The

pedal

will

stay

depressed.

To

release,

depress

the

brake

pedal.

Always

lock

the

brake

when

you

park

the

mower.

See

figure

6.

CLUTCH

The

clutch

pedal

is

located

on

the

left

hand

side

of

the

mower

and

is

operated

with

your

left

foot.

Depress

the

pedal

to

disengage

the

drive

mechanism.

Release

the

clutch

slowly

to

engage.

The

clutch

and

brake

pedals

must

both

be

depressed

when

stopping

the

mower.

When

shifting

gears,

the

clutch

pedal

must

be

disengaged

and

the

mower

cannot

be

moving.

See

figure?.

FIGURE

6.

BRAKE

AND

BRAKE

LOCK

6

CLUTCH

LOCK

When

the

clutch

pedal

is

depressed

all

the

way

it

can

be

locked

by

lifting

up

the

lock

button.

The

pedal

will

stay

depressed.

To

release,

depress

the

pedal.

See

figure?.

STARTING

I

KSTRUCTIONS

■

Lock-rat

clHtck

■

S

otthrattie

■

D

isinfoii

Wait

Tan

koy

to

or

position

Pill

ropo

to

start

Rotara

rapt

kaadte

to

lock

NOTE

The

clutch

pedal

must

be

depressed

to

start

the

engine.

FIGURE?.

CLUTCH

AND

CLUTCH

LOCK

GEAR

SHIFT

LEVER

Four

Speed—The

four

speed

transmission

has

four

forward

speeds,

neutral

and

reverse.

The

clutch

pedal

must

be

repressed

to

shift

gears.

It

may

be

necessary

to

release

the

clutch

pedal

slightly

to

shift

the

gear

shift

lever.

Do

not

force

the

shift

lever.

1

St

Gear—Heavy

Cutting

2nd

Gear—Medium

Cutting

3rd

Gear-Medium

Cutting

4th

Gear—Light

Cutting

or

Travel

Gear

N

—Neutral

R—Reverse

a

FIGURE

8.

FOUR

SPEED

TRANSMISSION

RECOIL

STARTER

HANDLE

The

recoil

starter

handle

is

located

on

the

right

side

of

the

dashboard.

The

recoil

starter

handle

cani'either

be

pulled

while

seated

on

the

rider

or

pulled

while

standing

behind

the

rider.

The

ignition

key

must

be

on

before

the

engine

will

start.

After

the

engine

starts,

the

recoil

starter

handle

must

be

returned

and

locked

into

the

dashboard

before

the

blade

or

clutch

are

engaged.

The

engine

will

stop

if

you

do

not

follow

these

instructions.

See

figure

9.

3

a

'I

FIGURE

9.

RECOIL

STARTER

LIFT

AND

DISENGAGEMENT

LEVER

It

is

used

to

raise

the

cutting

deck.

Pulling

it

all

the

way

back

and

locking

it

disengages

the

blade.

See

figures

5

and

8.

7

I

FIGURE

10.

HEIGHT

OF

CUT

SETTINGS

FIGURE

11

WHEEL

HEIGHT

ADJUSTER

NOTE

The

engine

will

not

start

unless

the

lift

and

disengagement

lever

is

in

the

disengaged

position.

See

figure

10.

CUTTING

CONTROLS

To

set

the

cutting

deck

in

the

full

float

position:

set

the

wheel

height

adjusters

in

the

desired

cutting

height

as

indicated

in

figure

11.

Set

height

of

cut

stop

in

the

lowest

position.

See

figure

10.

To

set

the

cutting

deck

in

the

suspended

position:

set

the

height

of

cut

stop

in

the

desired

cutting

height

and

then

set

the

deck

wheel

so

they

just

clear

the

ground.

The

cutting

controls

consist

of

the

height

of

cut

stop

and

the

wheel

height

adjusters.

CAUTION

Height

of

Cut

Stop.

See

figure

10.

Lift

the

stop

and

set

it

at

the

desired

cutting

height.

Allow

the

lift

and

disengagement

lever

to

come

forward

to

rest

against

the

height

of

cut

stop.

Wheel

Height

Adjuster.

Move

the

lever

towards

the

wheel

and

set

it

in

the

desired

cutting

height

position.

See

figure

11.

Both

wheels

must

be

in

the

same

relative

position.

Parking

Brake

must

be

disengaged

before

unit

is

put

into

motion.

NOTE

Unit

is

equipped

with

separate

brake

and

clutch

pedals.

To

efficiently

stop,

it

is

necessary

to

disengage

clutch

when

applying

brakes.

SETTING

THE

CUTTING

HEIGHT

The

cutting

height

of

the

mower

can

be

set

in

two

different

ways:

Full

Float

position

where

the

deck

follows

the

contour

of

the

ground,

and

the

Suspended

position

where

the

deck

hangs

from

the

frame

of

the

rider.

The

suspended

position

is

normally

used

for

cutting

rough

uneven

ground.

8

OPERATING

INSTRUCTIONS

CAUTION

3.

4.

Keep

all

shields

and

guards

in

place.

Before

leaving

operator’s

position:

Shift

controls

into

neutral

Set

parking

brake

Disengage

attachment

drive

Shut

off

engine

Remove

ignition

key

Wait

for

all

movement

to

stop

before

servicing

machine.

Keep

people

and

pets

a

safe

distance

away

from

machine.

FIGURE

12.

RECOIL

STARTER

STARTING

THE

ENGINE

1.

Be

sure

the

crankcase

is

filled

with

oil

as

recommended

in

the

engine

manual

and

put

regular

gasoline

in

the

gasoline

tank.

2.

If

the

engine

is

equipped

with

a

fuel

shut

off

valve,

be

sure

it

is

open.

Electric

Start

Model.

Turn

the

ignition

key

to

the

START

position.

As

soon

as

the

engine

starts

let

the

key

return

to

the

ON

position.

See

figure

5.

Slowly

return

the

throttle

to

the

running

position

as

soon

as

the

engine

starts.

8.

To

stop

either

model,

turn

the

ignition

key

to

the

OFF

position

and

remove

the

key

when

the

unit

is

not

in

use.

3.

Attach

the

wire

to

the

spark

plug.

4.

Depress

the

clutch

pedal

and

lock

it

down

with

the

speed

control

lever.

5.

Move

the

lift

and

disengagement

lever

backward

to

the

disengaged

position

and

lock

it.

6.

Set

the

throttle

control

lever

in

the

CHOKE

position.

7.

Recoil

Model.

Turn

the

ignition

key

to

the

ON'

position,

twist

the

recoil

starter

handle

until

it

is

free

and

pull

it

with

a

quick

steady

motion.

After

the

engine

starts,

return

the

recoil

starter

handle

and

twist

it

until

it

iocks.

See

figures

9

and

12.

NOTE

The

engine

will

stop

when

clutch

or

blades

are

engaged

if

this

procedure

is

not

followed.

PUTTING

THE

RIDER

IN

MOTION

1.

Advance

the

throttle

control

from

%

to

full

throttle

to

prevent

strain

on

the

engine

and

to

operate

the

cutting

blades.

2.

Depress

the

clutch

pedal

so

the

clutch

lock

releases.

3.

Place

the

gear

shift

lever

in

the

number

1

position

on

the

four

speed

unit.

4.

Slowly

release

the

clutch

pedal.

5.

To

stop

the

unit,

depress

the

clutch

pedal

and

the

brake

pedal.

6.

The

blade

can

be

engaged

either

while

moving

or

while

standing

still.

Move

the

lift

and

disengagement

lever

forward

slowly

until

the

■

blade

is

running.

NOTE

As

you

become

more

familiar

with

the

four

speed

transmission,

stop

the

unit

and

shift

into

a

higher

gear.

9

I

STOPPING

Engine—

Turn

the

ignition

key

to

the

left

to

the

OFF

position.

Rider—

D

epress

the

ciutch

and

brake

pedals.

Blades—

M

o

ve

the

lift

and

disengagement

iever

aii

the

way

to

the

rear

and

iock

it.

The

deck

may

be

cleaned

by

tilting

the

mower

on

its

rear

wheels.

Scrape

clean

with

a

suitable

tool

or

by

washing

with

a

stream

of

water

from

a

garden

hose.

Be

sure

to

disconnect

the

spark

plug

wire

and

ground

it

while

performing

this

maintenance.

MAINTENANCE

CRANKCASE

OIL

To

ensure

maximum

engine

performance,

perform

the

following

periodic

maintenance:

Check

oil

level

before

starting

engine

and

after

every

5

hours

of

operation.

Be

sure

oil

level

is

maintained

to

FULL

POINT

OF

OVERFLOWING

or

to

FULL

MARK

on

dipstick.

Change

Oil

after

first

5

hours

of

operation.

Thereafter

change

oil

every

25

hours

of

operation.

Remove

oil

drain

plug

and

drain

oil

while

engine

is

warm.

Replace

drain

plug.

Remove

dipstick

or

filler

plug

and

refill

with

new

oil

of

proper

grade.

Replace

dipstick

or

plug.

FIGURE

13.

CHECKING

OIL

NOTE

To

insure

safe

operation,

ALL

nuts

and

bolts

must

be

checked

periodi¬

cally

for

correct

tightness.

MOWER

DECK

The

underside

of

the

mower

deck

should

be

cleaned

after

each

period

of

use

as

grass

clippings,

leaves,

dirt

and

other

matter

will

accumulate.

This

accumulation

of

grass

clip¬

pings,

etc.,

is

undesirable

as

it

will

invite

rust

and

corrosion

and

may

cause

an

uneven

discharge

of

grass

clippings

at

the

next

mowing.

BLADES

{

WARNING

\

Disconnect

the

spark

plug

wire

and

remove

the

ignition

key

before

re¬

moving

the

blades.

Sharp

and

balanced

blades

are

essential

for

efficient

mowing

and

long

mower

and

engine

life.

When

sharpening

blades,

file

equal

amounts

of

metal

from

each

side.

The

blades

should

be

balanced

before

they

are

reinstalled.

An

unbal¬

anced

blade

will

cause

excessive

vibration

and

undue

wear

on

the

mower

and

the

engine.

When

reassembling,

all

parts

must

be

installed

in

the

proper

order

and

fastened

securely.

Remove

the

3/8”

bolt

and

lockwasher.

Pull

the

blade

and

adapter

off

the

mower

deck.

To

remove

the

adapter

form

the

blade,

remove

the

two

5/16”

bolts,

lockwashers

and

nuts.

See

figure

14.

BRAKE

ADJUSTMENT

See

figure

16.

To

adjust

the

brake

tighten

the

locknut

one

half

turn

and

then

test

the

brakes.

After

attaining

the

proper

adjustment,

replace

the

cotter

pin.

The

brake

is

located

by

the

right

rear

wheel

inside

the

frame.

10