Manual Stihl HS87 (page 26 of 28) (English)

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STIHL HS 87

Instruction Manual

Original Instruction ManualPrinted on chlorine-free paper

Printing inks contain vegetable oils, paper can be recycled.

0458-449-0121-A. VA3.C17.

0000006721_007_GB

HS 87 R, HS 87 T

English

{

with electronic systems.

Contents

Dear Customer,

Thank you for choosing a quality

engineered STIHL product.

It has been built using modern

production techniques and

comprehensive quality assurance.

Every effort has been made to ensure

your satisfaction and troublefree use of

the product.

Please contact your dealer or our sales

company if you have any queries

concerning this product.

Your

Dr. Nikolas Stihl

Guide to Using this Manual 2

Safety Precautions and Working

Techniques 2

Using the Unit 7

Fuel 9

Fueling 10

Starting / Stopping the Engine 12

Cleaning the Air Filter 13

Adjusting the Carburetor 14

Spark Plug 15

Lubricating the Gearbox 16

Storing the Machine 17

Sharpening Instructions 17

Maintenance and Care 18

Minimize Wear and Avoid Damage 20

Main Parts 21

Specifications 22

Maintenance and Repairs 23

Disposal 24

EC Declaration of Conformity 24

HS 87 R, HS 87 T

English

Pictograms

The meanings of the pictograms

attached to the machine are explained in

this manual.

Depending on the model concerned, the

following pictograms may be attached to

your machine.

Symbols in text

WARNING

Warning where there is a risk of an

accident or personal injury or serious

damage to property.

NOTICE

Caution where there is a risk of

damaging the machine or its individual

components.

Engineering improvements

STIHL's philosophy is to continually

improve all of its products. For this

reason we may modify the design,

engineering and appearance of our

products periodically.

Therefore, some changes, modifications

and improvements may not be covered

in this manual.

Observe all applicable local safety

regulations, standards and ordinances.

If you have not used this type of power

tool before: Have your dealer or other

experienced user show you how to

operate your unit or attend a special

course in its operation.

Minors should never be allowed to use a

power tool.

Keep bystanders, especially children,

and animals away from the work area.

When the power tool is not in use, shut it

off so that it does not endanger others.

Secure it against unauthorized use.

The user is responsible for avoiding

injury to third parties or damage to their

property.

Do not lend or rent your power tool

without the instruction manual. Be sure

that anyone using it understands the

information contained in this manual.

Guide to Using this Manual

Fuel tank; fuel mixture of

gasoline and engine oil

Operate manual fuel

pump

Filler hole for gear

lubricant

Safety Precautions and

Working Techniques

Special safety precau

tions must be observed

when working with this

power tool because it has

very sharp, high-speed

cutting blades.

It is important that you

read the instruction man

ual before first use and

keep it in a safe place for

future reference. Non-

observance of the

instruction manual may

result in serious or even

fatal injury.

HS 87 R, HS 87 T

English

The use of noise emitting power tools

may be restricted to certain times by

national or local regulations.

To operate the power tool you must be

rested, in good physical condition and

mental health.

If you have any condition that might be

aggravated by strenuous work, check

with your doctor before operating a

power tool.

Persons with pacemakers only: The

ignition system of your power tool

produces an electromagnetic field of a

very low intensity. This field may

interfere with some pacemakers. STIHL

recommends that persons with

pacemakers consult their physician and

the pacemaker manufacturer to reduce

any health risk.

Do not operate the power tool if you are

under the influence of any substance

(drugs, alcohol) which might impair

vision, dexterity or judgment.

Use your hedge trimmer only for cutting

hedges, shrubs, scrub and similar

materials.

It must not be used for any other

purpose because of the increased risk of

accidents and damage to the machine.

Never attempt to modify your power tool

in any way since this may result in

accidents or damage to the machine.

Only use cutting blades and accessories

that are explicitly approved for this

power tool by STIHL or are technically

identical. If you have any questions in

this respect, consult a servicing dealer.

Use only high quality tools and

accessories in order to avoid the risk of

accidents and damage to the machine.

STIHL recommends the use of genuine

STIHL tools and accessories. They are

specifically designed to match the

product and meet your performance

requirements.

Never attempt to modify your unit in any

way since this may increase the risk of

personal injury. STIHL excludes all

liability for personal injury and damage

to property caused while using

unauthorized attachments.

Do not use a pressure washer to clean

the unit. The solid jet of water may

damage parts of the unit.

Clothing and Equipment

Wear proper protective clothing and

equipment.

Avoid clothing that could get caught on

branches or brush or moving parts of the

machine. Do not wear a scarf, necktie or

jewelry. Tie up and confine long hair

(e.g. with a hair net, cap, hard hat, etc.).

Wear sturdy shoes with non-slip soles.

WARNING

Wear hearing protection, e.g. earplugs

or ear muffs.

STIHL offers a comprehensive range of

personal protective clothing and

equipment.

Transporting the Power Tool

Always turn off the engine.

Always fit the blade guard (scabbard)

before carrying your hedge trimmer

short distances.

Carry the power tool by the handle –

cutting blades behind you. Avoid

touching hot parts of the machine,

especially the muffler and gear housing

– you could suffer serious burns.

In vehicles: Properly secure your power

tool to prevent turnover, fuel spillage and

damage.

Clothing must be sturdy

but allow complete free

dom of movement. Wear

snug-fitting clothing, an

overall and jacket combi

nation, do not wear a

work coat.

To reduce the risk of eye

injuries, wear snug-fitting

safety glasses in accord

ance with European

Standard EN 166. Make

sure the safety glasses

are a good fit.

Wear heavy-duty work

gloves made of durable

material (e.g. leather).

HS 87 R, HS 87 T

English

Fueling

Always shut off the engine before

refueling.

Do not fuel a hot engine – fuel may spill

and cause a fire.

Open the fuel cap carefully to allow any

pressure build-up in the tank to release

slowly and avoid fuel spillage.

Fuel your power tool only in well-

ventilated areas. If you spill fuel, wipe

the machine immediately – if fuel gets on

your clothing, change immediately.

This reduces the risk of unit vibrations

causing the fuel cap to loosen or come

off and spill quantities of fuel.

To reduce the risk of serious or fatal

burn injuries, check for fuel leakage. If

fuel leakage is found, do not start or run

the engine until leak is fixed.

Before Starting

Check that your power tool is properly

assembled and in good condition – refer

to appropriate chapters in the instruction

manual.

– Check the fuel system for leaks,

paying special attention to visible

parts such as the tank cap, hose

connections and the manual fuel

pump (on machines so equipped). If

there are any leaks or damage, do

not start the engine – risk of fire.

Have your machine repaired by a

servicing dealer before using it

again.

– The slide control must move freely

in direction of † and spring back to

the normal run position F.

– Smooth action of throttle trigger

lockout and throttle trigger – the

throttle trigger must return

automatically to the idle position.

– Check that the spark plug boot is

secure – a loose boot may cause

arcing that could ignite combustible

fumes and cause a fire.

– Cutting blades securely mounted

and in good condition (clean, move

freely, not warped), properly

sharpened and thoroughly sprayed

with STIHL resin solvent (lubricant).

– Never attempt to modify the controls

or safety devices in any way.

– Keep the handles dry and clean –

free from oil and dirt – for safe

control of the power tool.

To reduce the risk of accidents, do not

operate your power tool if it is damaged

or not properly assembled.

Starting the Engine

Start the engine at least 3 meters from

the fueling spot, outdoors only.

Place the power tool on firm ground in

an open area. Make sure you have good

balance and secure footing. Hold the

power tool securely. The cutting blades

must be clear of the ground and all other

obstructions because they may begin to

run when the engine starts.

Your power tool is designed to be

operated by one person only. Do not

allow other persons in the work area –

even when starting.

To reduce the risk of injury, avoid

contact with the cutting blades.

Do not drop start the power tool – start

the engine as described in the

instruction manual.

Note that the cutting blades continue to

run for a short period after you let go of

the throttle trigger (flywheel effect).

Check idle speed setting: The cutting

blades must not move when the engine

is idling with the throttle trigger released.

Holding and Controlling the Unit

Always hold the power tool firmly with

both hands on the handles.

Gasoline is an extremely

flammable fuel. Keep

clear of naked flames. Do

not spill any fuel – do not

smoke.

Insert the fuel cap with

hinged grip (bayonet-type

cap) correctly in the

opening, turn it clockwise

as far as stop and fold the

grip down.

HS 87 R, HS 87 T

English

Left hand on the control handle, right

handle on the front handle. Wrap fingers

and thumbs firmly around the handles.

Make sure you have firm and secure

footing and hold the power tool so that

the cutting blades are always away from

your body.

During Operation

In the event of impending danger or in

an emergency, switch off the engine

immediately – move the slide control in

the direction of †.

Check that there are no bystanders in

the general work area.

Watch the cutting blades at all times – do

not cut areas of the hedge that you

cannot see.

Be extremely careful when cutting tall

hedges, check the other side of the

hedge before starting work.

Make sure the idle speed setting is

correct. The cutting blades must not run

when the engine is idling with the throttle

trigger released. If the cutting blades still

run, have your dealer check your

machine and make proper adjustments

or repairs. Check and correct the idle

speed setting regularly.

Note that the cutting blades continue to

run for a short period after you let go of

the throttle trigger – flywheel effect.

The gearbox becomes hot during

operation. To reduce the risk of burn

injury, do not touch the gearbox housing.

Take special care in slippery conditions

(ice, wet ground, snow), on slopes or

uneven ground.

Clear away fallen branches, scrub and

cuttings.

Watch out for obstacles: Roots, tree

stumps or holes which could cause you

to trip or stumble.

Make sure you always have good

balance and secure footing.

When working at heights:

– Always use a lift bucket

– Never work on a ladder or in a tree

– Never work on an insecure support

– Never operate your power tool with

one hand

Be particularly alert and cautious when

wearing hearing protection because

your ability to hear warnings (shouts,

alarms, etc.) is restricted.

To reduce the risk of accidents, take a

break in good time to avoid tiredness or

exhaustion.

Work calmly and carefully – in daylight

conditions and only when visibility is

good. Stay alert so as not to endanger

others.

To reduce the risk of serious or fatal

injury from breathing toxic fumes,

ensure proper ventilation when working

in trenches, hollows or other confined

locations.

To reduce the risk of accidents, stop

work immediately in the event of

nausea, headache, visual disturbances

(e.g. reduced field of vision), problems

with hearing, dizziness, deterioration in

ability to concentrate. Apart from other

possibilities, these symptoms may be

caused by an excessively high

concentration of exhaust gases in the

work area.

Operate your power tool so that it

produces a minimum of noise and

emissions – do not run the engine

unnecessarily, accelerate the engine

only when working.

To reduce the risk of fire, do not smoke

while operating or standing near your

power tool. Note that combustible fuel

vapor may escape from the fuel system.

If your power tool is subjected to

unusually high loads for which it was not

designed (e.g. heavy impact or a fall),

always check that it is in good condition

before continuing work – see also

Your power tool produces

toxic exhaust fumes as

soon as the engine is

running. These fumes

may be colorless and

odorless and contain

unburned hydrocarbons

and benzol. Never run

the engine indoors or in

poorly ventilated loca

tions, even if your model

is equipped with a cata

lytic converter.

HS 87 R, HS 87 T

English

"Before Starting". Check the fuel system

in particular for leaks and make sure the

safety devices are working properly. Do

not continue operating your power tool if

it is damaged. In case of doubt, consult

your servicing dealer.

Do not operate your power tool in the

starting throttle position – engine speed

cannot be controlled in this position.

Inspect the hedge and work area to

avoid damaging the cutting blades:

– Remove stones, rocks, pieces of

metal and other solid objects.

– When working close to the ground,

make sure that no sand, grit or

stones get between the blades.

– Take particular care when cutting

hedges next to or against wire

fences.

To avoid the risk of electrocution, do not

touch electric power lines – never cut

through electric power lines.

Opening the throttle while the blades are

blocked increases the load and reduces

engine speed. The clutch then slips

continuously and this causes

overheating and damage to important

components (e.g. clutch, polymer

housing components) – and this can

increase the risk of injury from the

cutting blades moving while the engine

is idling.

If the hedge is very dusty or dirty, spray

the blades with STIHL resin solvent from

time to time during cutting. This helps

reduce blade friction as well as the

aggressive effects of sap and the build-

up of dirt particles.

The dust that occurs during operation

may be harmful to health. Wear a

suitable respirator in very dusty

conditions.

Before leaving the power tool

unattended: Shut off the engine.

Check the cutting blades at regular short

intervals during operation or

immediately if there is a noticeable

change in cutting behavior:

– Shut off the engine.

– Wait until the cutting blades have

come to a complete standstill.

– Check condition and tightness, look

for cracks.

– Check sharpness.

To reduce the risk of fire, always clean

plant residue, chips, leaves and excess

lubricant off the engine and muffler.

After Finishing Work

Always clean dust and dirt off the

machine – do not use any grease

solvents for this purpose.

Spray the blades with STIHL resin

solvent. Run the engine briefly so that

the solvent is evenly distributed.

Vibrations

Prolonged use of the power tool may

result in vibration-induced circulation

problems in the hands (whitefinger

disease).

No general recommendation can be

given for the length of usage because it

depends on several factors.

The period of usage is prolonged by:

– Hand protection (wearing warm

gloves)

– Work breaks

The period of usage is shortened by:

– Any personal tendency to suffer

from poor circulation (symptoms:

frequently cold fingers, tingling

sensations).

– Low outside temperatures.

– The force with which the handles

are held (a tight grip restricts

circulation).

Continual and regular users should

monitor closely the condition of their

hands and fingers. If any of the above

symptoms appear (e.g. tingling

sensation in fingers), seek medical

advice.

Maintenance and Repairs

Service the machine regularly. Do not

attempt any maintenance or repair work

not described in the instruction manual.

Have all other work performed by a

servicing dealer.

Do not touch the cutting

blades while the motor is

running. If the cutting

blades become jammed

by thick branches or

other obstructions, switch

off the engine immedi

ately before attempting to

free the blades – there is

otherwise a risk of injury.

HS 87 R, HS 87 T

English

STIHL recommends that you have

servicing and repair work carried out

exclusively by an authorized STIHL

servicing dealer. STIHL dealers are

regularly given the opportunity to attend

training courses and are supplied with

the necessary technical information.

Only use high-quality replacement parts

in order to avoid the risk of accidents

and damage to the power tool. If you

have any questions in this respect,

consult a servicing dealer.

STIHL recommends the use of original

STIHL replacement parts. They are

specifically designed to match your

model and meet your performance

requirements.

To reduce the risk of injury, always shut

off the engine before carrying out any

maintenance or repairs or cleaning the

machine. – Exception: Carburetor and

idle speed adjustments.

Do not turn the engine over on the

starter with the spark plug boot or spark

plug removed since there is otherwise a

risk of fire from uncontained sparking.

To reduce the risk of fire, do not service

or store your machine near open flames.

Check the fuel filler cap for leaks at

regular intervals.

Use only a spark plug of the type

approved by STIHL and make sure it is

in good condition – see "Specifications".

Inspect the ignition lead (insulation in

good condition, secure connection).

Check the condition of the muffler.

To reduce the risk of fire and damage to

hearing, do not operate your machine if

the muffler is damaged or missing.

Do not touch a hot muffler since burn

injury will result.

Vibration behavior is influenced by the

condition of the AV elements – check the

AV elements at regular intervals.

HS 87 R

The HS 87 R is designed for cutting

hedges and shrubs with thicker stems

and branches.

HS 87 T

The HS 87 T is designed for shaping

and trimming hedges and shrubs with

thinner branches.

Use the HS 87 R hedge trimmer for

cutting hedges with thicker branches.

Cutting Season

Observe country-specific or municipal

rules and regulations for cutting hedges.

Using the Unit

HS 87 R, HS 87 T

English

Do not use your power tool during other

people's normal rest periods.

Cutting Sequence

Use lopping shears or a chain saw to cut

out thick branches first.

Cut both sides of the hedge first, then

the top.

Disposal

Do not throw cuttings in the garbage can

– they can be composted!

Working Technique

Vertical Cut

Swing the cutting blade from the bottom

upwards in an arc – lower the nose of the

blade, move along the hedge and then

swing the blade up again in an arc.

Any working position above head height

is tiring. To minimize the risk of

accidents, work in such positions for

short periods only.

Horizontal Cut

Hold the cutter bar at an angle of 0° to

10° as you swing the hedge trimmer

horizontally.

Swing the cutting blade in an arc

towards the outside of the hedge so that

the cuttings are swept to the ground.

Cuttings can be easily swept off the

hedge with the aid of the optional

catcher plate on the cutting blade.

HS 87 R, HS 87 T

English

Observe all country-specific waste

disposal rules and regulations.

STIHL products must not be thrown in

the garbage can. Take the product,

accessories and packaging to an

approved disposal site for environment-

friendly recycling.

Contact your STIHL servicing dealer for

the latest information on waste disposal.

ANDREAS STIHL AG & Co. KG

Badstr. 115

D-71336 Waiblingen

Germany

declare in exclusive responsibility that

the product

conforms to the relevant provisions of

Directives 2006/42/EC, 2014/30/EU and

2000/14/EC and has been developed

and manufactured in compliance with

the following standards in the versions

valid on the date of production:

EN ISO 10517, EN 55012,

EN 61000

The measured and guaranteed sound

power levels were determined according

to Directive 2000/14/EC, Annex V, using

the ISO 11094 standard.

Measured sound power level

Guaranteed sound power level

Technical documents deposited at:

ANDREAS STIHL AG & Co. KG

Produktzulassung (Product Licensing)

The year of manufacture and serial

number are applied to the product.

Done at Waiblingen, 28.10.2016

ANDREAS STIHL AG & Co. KG

Thomas Elsner

Director Product Management and

Services

Disposal

000BA073 KN

EC Declaration of Conformity

Category: Hedge trimmer

Make: STIHL

Model: HS 87 T

HS 87 R

Serial identification: 4237

Displacement: 22.7 cc

HS 87 T: 102 dB(A)

HS 87 R: 101 dB(A)

HS 87 T: 104 dB(A)

HS 87 R: 103 dB(A)

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