Stihl 056 User Manual

lna1trucUon

Mau,ual/'QwI.n

Important Safety Precautions

Do not operate a chain saw when you are

fatigued. the saw chain is not contacting anyUse safetyfootwear, snug-fitting clothing,

2. and eye, hearing and head protection devices.

Use caution when handlingfuel. Movethe the rear, and the muffler away from your

3. chain saw at least fueling point before starting the engine.

Do not allow other persons to be near the maged, improperly adjusted, or is not

chain saw when starting or cutting with completely and securely assembled. the chain saw. Keep bystanders and animals out of the work area. when the throttle trigger

feet (3

from the body.

Before you start the engine, make sure thing.

Carry the chain saw with the engine stopped, the guide bar and saw chain to

10.

Do not operate a chain saw that is da-

Be sure that the saw chain stops moving

released.

Do not start cutting until you have a clear

5. work area, secure footing, and a planned retreat path from the falling tree.

Holdthechain saw firmly with both hands, material may catch the saw chain and

the right hand left hand on the front handle, when the balance. engine is running. Use a firm grip with thumbs and fingers encircling the chain saw handles.

Keep all parts ofyour body away from the not be struck when the tension saw chain when the engine is running. wood fibers is released.

the rear handle and the be whipped toward you or pull you off

11.

Shut off the engine before setting it down.

12.

Use extreme caution when cutting small sizebrush

13.

When cutting a limb that is undertension be

alert for spring back so that you will

continued on the back inside cover

ana saplings because slender

the

STIHL 056 AVelectronic, 056 AVelectronic Qui,ckstop

Congratulations!

You are the chain service. faction from your STIHL chain saw, it is important that you read and understand the tions before using your saw. Contact your STIHL Dealer the STIHL Distributor for your area if youdonot understand any of the instructions or warnings in this Manual.

This Manual contains warnings regarding your saw, operating and safety instructions for all STIHL 056 series power saws.

arning!

Because a chain saw is a high-speed some special safety precautions must be observed as with

any

other

dents. Careless

fatal injury. It

is important that you fully understand the contents of this Manual and that you allow only persons this Manual to operate your chain saw.

Pay special attention to the cutting techniques and safety precautions outlined on pages 6 to

owner

of a precision-manufactured STIHL

saw

designed to give you long and dependable

receive

power

maximum

maintenance

saw to reduce the risk of personal acci-

improperuse

performance and satis-

and safety

wood-cutting

may

cause

seriousoreven

who

18.

precau-

tool,

understand

Operating Instructions Sharpening and Maintenance

Contents

Controls Fuel Chain Oil Mounting the Cutting Attachment Chain Brake Safety Precautions Starting Oil Quantity Control Cutting

Replacing the Chain Sprocket Air Filter Carburetor

Rewind Starter Oil Inspection General Maintenance Specifications

Sharpening and Maintenance

Attachment

Window

Saw

Saw Chain

Chains

25 26

27 29 29

STIHL's philosophy is to continually improve all of its products. Asa result, engineering are made from time-to-time. Written notices relating to such changes are sent to STIHL Dealers and are available to you. of your saw differs from those described please contact mation and assistance.

the operating characteristics or the appearance

your

local STIHL

changes

Dealer

and improvements

this Manual,

for updated infor-

STIHL"

Andreas Stihl Postfach

0-7050

1760

Waiblingen 1

Controls

Starter

grip-----~

......

o;;;::_-

--Starting

r----~.Safety

throttle lock

Fuel tank cap _

Spark plug with

plug terminal

Stop switch

......

i--------

____

Throttle trigger

Hand guard

Fuel

tank

cap

open

-------

------

-----.

-- --

------

.....

_----.

-----

--- -

-----

--_.

::::-'==-====

;~;~~;§=

Chain

Oil filler

cap

Oil

open

Your two-stroke engine is powered by a mixture of gasoline and engine oil.

Only regular gasoline may

octane gasoline as permanently damage the carburetor diaphragms.

Only use STIHL two-cycle engine oil or other branded twocycle engine oils for mixing. The mix ratio is 1:40 to 40 parts regular gasoline) with STIHL two-cycle engine oil or 1:25 for other branded engine oils.

Important: Always shake mixture vigorously before fueling.

used. Never use high

contains benzol which would

pari oil

fuel can

The service life of the cutting attachment (Oilomatic chain

and guide bar) depends of the lubricating oil.

Never use waste oil for this purpose!

Always use the chain lubricating oil approved by STIHL and appointed dealers.

If special chain lubricating oil is not available, one of the

high-duty, single grade engine oils listed below may be used

emergency, depending

temperature. Outside temperature +10°C

Outside temperature + Outside temperature

Always top up with chain oil when you refuel. Carefully clean the area around the filler caps before opening and

make sure that no dirt falls into the tank while you are refueling.

good lubrication and the quality

1Q°C

-10°C

+40°C:

-10°C:

-30°C:

SAE 30 SAE 20 SAE 20 W or

SAE

the outside

Mounting the Bar and Chain

Removing the chain sprocket cover

The guide bar and Oilomatic chain are supplied separately

for safety reasons.

mountthem, first unscrew the two collar nuts

studs and take off the chain sprocket cover (2).

a Quickstop model, it

necessary to disengage the chain brake before taking off the sprocket cover; pull the hand guard back towards the handlebar.

Now

tensioning nut (3) - behind inner side plate - by turning the

(4)

tensioning screw

counterclockwise (to the left)tothe

end of its thread.

(1)

from the

you have

back off the chain

Top: Backing off tensioning nut

Center: Filling chain on sprocket Bollom: Peg

locating hole - culling edges must face bar nose

Fit the slot of the guide bar over the studs (5) so that the

peg of the tensioning nut (6) engages

the lower locating

hole (7). Starting at the sprocket, fit the Oilomatic chain on the guide

barso that the cutting edges on the top of the bar are facing the bar nose.

Push the sprocket cover (2) onto the studs Quickstop models only) engage the end of the lever (8) the slot on the hand guard.

4 Refit collar nuts

(1)

and screw them down finger-tight. Now

(5) and (on

Top: Tensioning the chain

Bottom: Checking chain tension

Chain Brake (Quickstop model

Chain brake engaged

The chain brake is actuated by means of the front hand guard.

on,ly)

STINt.

tension the Oilomaticchain by turning the tensioning screw

(4)

clockwise and watching that the drive link tangs are

properly located Hold the bar up and turn tensioning screw (4) until the Oilomaticchain fits snugly against the underside of the

While still holding the bar nose up, tighten down the collar

nuts

(1)

securely.

The Oilomatic chain

snugly against the underside of the bar but can still be pulled easily along the bar by hand.

the groove on the underside of the bar.

bar.

correctly tensioned whenitfits

Engaging

When the hand guardismoved towards the nose of the guide bar the actuating lever automatically unlatches the brake lever and the spring-assisted brake band

round the clutch drum at the same instant. This causes the

sawchaintobebrought

Releasing

The locked saw chain must be released before cutting can be continued. the handlebar - this disengages the brake band from the clutch drum.

Important: chain brake may be engaged only when the saw The chain brake is subject to normal wear. It is therefore

necessary to have

trained personnel, (STIHL servicing dealer) to insure that it

is always

the

chain

brake

clamped

astandstillandlockedin position.

the

chain

brake

do this, pull the hand guard back against

Apart from starting and emergencies, the

regularly serviced and maintained by

good working order.

idling.

Safety Precautions

All safety precautions that are generally observed when

working with an axe operation of chain saws. However, because fast-cutting power tool, there are additional safety precautions that must be observed.

If this is your first STIHL chain saw, have your dealer show

you how

the operation of power saws.

Observe all applicable local safety regulations, standards

and ordinances. Minors should not be allowed to use a chain saw. Children

and anima'is should not be allowed

chain saw is

Store

Do not lend your chain saw without the Owner's Manual. Be sure that anyone using your saw understands the information contained in this Manual. .

There are three factors involved saw: the operator, the saw and the use of the saw.

operate it, or attend a special courseoftraining

use. Never let the saw run unattended.

itina locked place away from children.

a hand saw also apply to the

the area where a

the safe use of a chain

THE

OPERATOR-

physical condition and proper clothing

is a

Your condition and mental health; and not under the influence of any substance (drugs. alcohol, etc.) which might impair vision, dexterity or judgment.

Working with any chain saw can be strenuous.

any condition that mi9'ht be aggravated by strenuous work,

check with your doctor before operating a chain Be alert - Avoid operating the chain saw when you are

fatigued. If

Your proper clothing - Clothing must be sturdy and snug-fitting, but allow complete freedom of movement.

Avoid loose-fitting jackets, scarfs, neckties, jewelry, flared or cuffed pants, or anything that could become entangled with the saw or brush.

Good footing

sturdy boots with non-slip soles. Steel-toed safety boots are recommended.

You

must beingood physical condition

yotl'-become tired, take a break!

most importandinchain saw work. Wear

you have

saw.

YOUR SAW

STIHL-Oilomatic-chain, guide bar and sprocket must match each other and the engine unit.

Attachments - Only attachments supplied by STIHL or expressly approved STIHL saw models are authorized. Although certain unauthorized attachments are useable with the STIHL powerhead, their use mayinfactbeextremely dangerous.

Assembly -Ifyour saw is not assembledatthe time of purchase, see page 4 for instructions.

ST,IHL

for use with the specific

Heavy-duty, non-slip gloves improve your grip and protect your hands.

Proper eye protection

goggles or a face screen are recommended. Their use

reduces the risk of eye injury.

Continuou~

using a chain saw may cause hearing impairment. Protect

your hearing with sound barriers, either ear plugs or noise-

suppressing ear muffs.

Wear

exposure to the high noise levels involved

approved safety hard hat to protect your head.

a must. Non-fogging, vented

Inspection starting and properly tensioned. See page 4 for guide bar and chain mounting.

Make sure all the controls and safety devices (see

illustration) are working properly.

never operate a chain saw that

adjusted or not completely and securely assembled.

Warning!

Never remove deactivate or tamper with any safety device

your

You

should always"lnspect your saw before

it.

Insure that bar and chain are securely mounted

reduce riskofinjury,

damaged, improperly

saw.

USEOFTHE

SAW

Fueling - Your STIHL chain saw uses

mixture for fuel (see page 3).

Always shut off the engine and allow it to cool before

refueling. Remove fuel cap slowly to release possible fuel tank pressure.

Warning! Gasoline

a highly flammable fuel. Use extreme caution when handling gasoline or fuel mix. Do

not smoke or bring any fire or flame near the fuel.

Select bare ground for fueling and move at least10feet (3m)from fueling spot before starting the engine.

Fuel and operate your chain sawinwellventilated areas, outdoors only.

Wipe off any spilled fuel before starting your saw and

check for leakage - also during operation.

Important!

the controls listed

You

should now understand the function of all

figures page 7 - stop switch, throttle

trigger, safety throttle lock, starting throttle lock, choke,

Quickstop (if your saw was purchased with this option).

oil-gasoline

Starting -

Your chain saw is a one-person

saw.

Start and operate your saw without assistance. For safety reasons always observe starting procedure described on page

Warning!

19.

At correct idle speed, chain should not turn. For directions

to adjust idle speed, see page 26.

Dot not use a saw with incorrect idle speed adjustment. Have your STIHL Dealer check it out and make proper adjustments or repairs. After a saw with a

new chain

started, switch engine off and recheck chain tension. Proper chain tension is very important at all times.

Warning!

Never touch a rotating chain with your hand or any part of your body.

stop engine, move stop switch to "STOP" position.

Reactive forces, including kickback

Warningl

Reactive forces, including kickback canbedangerous!

any chain saw, the powerfUl force used to cut wood can

be reversed (and work against the operator).Ifthe rotating

chainissUddenly stopped by contact with any solid object or a pinch, the reactive forces instantly occur. These reactive forces may resultinloss of control which cause serious or fatal injury.

understanding of the

may,inturn,

causes of these reactive forces may help you avoid loss of control.

The most common reactive forces are kickback, pushback

and pull-in:

Kickback:

Kickback occurs when the nose of the bar and especially

the upper quadrant contacts a solid object or is pinched.

The chain

opposite direction flinging the bar towards the operator, who may suffer severe or fatal injury. lit

most frequently occurs during limbing.Italso occurs when the tip of the gUide bar unintentionally contacts solid material or used to begin a plunge or boring cut.

The best protection from personal injury that may result

from kickback is to avoid kickback situations:

Be aware of the location of

any cut.

Be alert for shifting of log or other forces that may cause the cut to close.

Use extreme caution when re-entering a previous cut.

Do experienced with these cutting techniques.

Never bring the tip of the barincontact with any object.

Cut only one log at a time.

Begin cutting at full throttle.

Maintain saw chain properly. Cut with a correctly

sharpened properly tensioned chain at all times.

stopped, causing a rotational forceinthe

inanuncontrolled arc

pinched unexpectedly,

incorrectly

tRe

guide bar nose during

not attempt plunge cuts or bore cuts if you are not

Pushback:

Pull-in:

Pushback occurs when the chain suddenly stopped and the reaction drives the saw straight back toward the operator causing loss of saw control. It most frequently occurs when the top of the chain is pinched

or caught

top of the bar is used for cutting.

avoid pushback:

Be alert to forces or situations that may cause material to

Do not cut more than one logata time.

3. Do not twist the saw when withdrawing the bar from a plunge cut or under buck because the chain can catch.

the cut or contacts a foreign object when the

pinch the top of the chain.

the top of the bar

Pull-in occurs when the bottom of the chain stopped. The bottom of the chain stops when it is pinched,

caught or encounters a foreign object

reaction of the chain pulls the saw forward, causing the

operatorto lose control. Pull-in frequently occurs when the

bumper spike of the saw is not held securely against the tree or limb and when the chain is not rotating at full speed before it contacts the wood.

avoid pull-in, always start a cut with the chain rotating full speed and the bumper spikeincontact with the material. Pull-in to open the kerf or cut.

best counter any reactive forces, always maintain proper balance, secure footing, a firm grip watch what and where you are cutting.

may also be prevented by using wedges

suddenly

the wood. The

the saw

and

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