Poulan 1990-10 User Manual - Page 14

4.

BUCKING

USING

ANOTHER

LOG

AS

A

SUPPORT

a.

In

area

A:

1.)

Undercut

1/3

of

the

way

through

the

log.

2.)

Finish

with

an

overcut.

b.

In

area

B:

1.)

Overcut

1/3

of

the

way

through

the

log.

2.)

Finish

with

an

undercut.

5.

BUCKING

USING

A

STAND

a.

In

area

A:

1.)

Undercut

1/3

of

the

way

through

the

log.

2.)

Finish

with

an

overcut.

b.

In

area

B:

1.)

Overcut

1/3

of

the

way

through

the

log.

2.)

Finish

with

an

undercut.

A

WARNING

Do

not

stand

on

the

log

being

cut.

Any

portion

can

roll

causing

loss

of

footing

and

controL

1.

Use

Common

Sense

-46

Maintain

Secure

Footing

D.

DEBRANCHING

AND

PRUNING

•

Work

slowly,

keeping

.

both

hands

firmly

gripped

on

the

saw.

Maintain

secure

footing

and

balance.

•

Watch

out

for

spring

poles.

Use

extreme

caution

when

cutting

small

size

limbs.

Slender

material

may

catch

the

saw

chain

and

be

whipped

toward

you

or

pull

you

off

balance.

•

Be

alert

for

springback.

Watch

out

for

branches

that

are

bent

or

under

pressure

as

you

are

cutting

to

avoid

being

struck

by

the

branch

or

the

saw

when

the

tension

in

the

wood

fibers

is

released.

•

Keep

a

clear

work

area.

Frequently

clear

branches

out

of

the

way

to

avoid

tripping

over

them.

A

WARNING

Never

climb

into

a

tree

to

debraneh

or

prune.

Do

not

stand

on

ladders,

platforms,

a

log,

or

in

any

position

which

can

cause

you

to

lose your

bal-

ance

or

control

of

the

saw.

1.

DEBRANCHING

a.

Always

debranch

a

tree

after

it

is

cut

down.

Only

then

can

debranching

be

done

safely

and

properly.

b.

Leave

the

larger

limbs

underneath

the

felled

tree

to

support

the

tree

as

you

work.

c.

Start

at

the

base

of

the

felled

tree

and

work

toward

the

top,

cutting

branches

and

li

mbs.

Remove

small

limbs

with

one

cut.

Figure

26

.

d.

Keep

the

tree

between

you

and

the

chain.

Cut

from

the

side

of

the

tree

opposite

the

branch

you

are

cutting.

e.

Remove

larger,

supporting

branches

with

the

1/3,

2/3

cutting

techniques

described

in

the

bucking

section.

1.)

Undercut

1/3

of

the

way

through

the

log.

2.)

Finish

with

an

overeat.

f.

Always

use

an

overcut

to

cut

small

and

freely

hanging

limbs.

Undercutting

could

cause

limbs

to

fall

and

pinch

the

saw.

2.

PRUNING

a.

Limit

pruning

to

limbs

shoulder

height

or

below.

Do

not

cut

if

branches

are

higher

than

your

shoulder.

Get

a

professional

to

do

the

job.

b.

Refer

to

Figure

27

for

the

pruning

tech-

1.)Tn

e

aercut

1/3

of

the

way

through

the

limb

near

the

trunk

of

the

tree.

2.)

Finish

with

an

overcut

farther

out

from

the

trunk.

3.)

Keep

out

of

the

way

of

the

falling

li

mb.

4.)

Cut

the

stump

flush

near

the

trunk

of

the

tree.

A

WARNING

Be

alert

for

and

guard

against

kickback

Do

not

allow

the

moving

chain

to

contact

any

other

branches

or

objects

at

the

nose

of

the

guide

bar

when

debranching

or

pruning.

Allowing

such

contact

can

result

in

serious

injury.

Remove

Small

Limbs

With

One

Cut

Figure

26

1

.

P

I

th

Second

Pruning

Cut

Third

Pruning

Cut

First

Pruning

Cut

Figure

27

-14-

Poulan 1990-10 User Manual - Page 14

Debranching, Pruning

Page 14 highlights