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SP 451, SP 481

English

3

quality parts and accessories in order to 
avoid the risk of accidents and damage 
to the machine.

STIHL recommends the use of original 
STIHL replacement parts. They are 
specifically designed to match your 
model and meet your performance 
requirements.

Never attempt to modify your power tool 
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.).

Warning! 

A face shield alone does not 

provide adequate eye protection.

Wear hearing protection, e.g. earplugs 
or ear muffs.

Transporting the Power Tool

Always stop the engine.

Carry the unit suspended from the 
harness.

Transporting in a vehicle: Properly 
secure your power tool to prevent 
turnover, fuel spillage and damage.

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.

Check for leakage. To reduce the 

risk of 

serious of fatal burn injuries

, 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.

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.

Wear steel-toed safety 
boots with non-slip soles.

Wear a safety hard hat 
where there is a danger 
of head injuries from fall-
ing objects. Wear a face 
shield and safety 
glasses.

Wear heavy-duty gloves, 
preferably made of 
leather.

4902BA001 KN

Gasoline is an 
extremely flammable 
fuel.

 Keep clear of naked 

flames. Do not spill any 
fuel – do not smoke.

After fueling, tighten 
down the screw-type fuel 
cap as securely as 
possible.

Содержание SP 451

Страница 1: ...STIHL SP 451 481 Instruction Manual...

Страница 2: ......

Страница 3: ...es concerning your machine Your Hans Peter Stihl Guide to Using this Manual 2 Safety Precautions and Working Techniques 2 Using the Unit 6 Assembling the Unit 7 Adjusting the Throttle Cable 8 Fuel 8 F...

Страница 4: ...tion 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 fie...

Страница 5: ...ver fuel spillage and damage 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...

Страница 6: ...thrown objects or contact with the shaft and hook do not allow other persons within a radius of 10 meters of your own position even when starting Do not drop start the power tool start the engine as d...

Страница 7: ...er grown terrain Take special care in slippery conditions damp slopes fruit on the ground and on uneven ground Watch out for obstacles Watch out for tree stumps roots and fallen fruit to avoid stumbli...

Страница 8: ...IHL 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 maintena...

Страница 9: ...t line N Push back the hand guard 2 to expose the thread 3 on the pushrod N Hold the hand guard in this position and screw the shaft 1 onto the pushrod s thread by hand as far as stop N Position the 2...

Страница 10: ...engine requires a mixture of gasoline and engine oil STIHL MotoMix STIHL recommends the use of STIHL MotoMix This ready to use fuel mix contains no benzol or lead has a high octane rating and ensures...

Страница 11: ...uel for a few weeks work Do not store fuel mix for longer than 3 months Exposure to light the sun low or high temperatures can quickly make the fuel mix unusable N Thoroughly shake the mixture in the...

Страница 12: ...in the tank N Fill up with fuel and close the filler cap Control Handle Controls 1 Throttle trigger lockout 2 Throttle trigger 3 Slide control Positions of slide control 4 STOP 0 engine off the igniti...

Страница 13: ...e on the underside of the powerhead and the machine support under the front handle Check that the hook is not touching the ground of any other obstacles N Make sure you have a firm footing N Hold the...

Страница 14: ...e N Select the starting throttle position N Start the engine by pulling the starter rope briskly 10 to 20 pulls may be necessary If the engine still does not start N Move the slide control to STOP 0...

Страница 15: ...n Empty the fuel tank and keep the machine in a dry place well away from sources of ignition until you need it again For longer out of service perionds see Storing the Machine Using a harness STIHL re...

Страница 16: ...tening the harness straps N Pull the end of the strap down to tighten the strap Loosening the harness straps N Press the sliding adjuster down to loosen the strap N Adjust the length of the straps so...

Страница 17: ...hat it rests on the guard plate and the machine support under the front handle Make sure the hook is not touching the ground or any other obstacles N Push back the hand guard 1 to expose the hexagon e...

Страница 18: ...ed screws within fine limits Standard Setting N Stopping the Engine N Check the air filter and replace it if necessary N Check that the throttle cable is properly adjusted readjust if necessary see ch...

Страница 19: ...Hook runs when engine is idling N Turn the idle speed screw LA counterclockwise until the hook stops moving and then rotate the screw another 1 2 to 1 turn in the same direction Erratic idling behavio...

Страница 20: ...wn firmly If engine running behavior is unsatisfactory even though the air filter is clean and the carburetor and throttle cable are properly adjusted the cause may be the muffler Have the muffler che...

Страница 21: ...e grip N Pull the rope through the rotor and secure it with a simple overhand knot N Coat rope rotor bearing bore with non resinous oil see Special Accessories N Slip the rotor over the starter post t...

Страница 22: ...ng pops out of the housing during installation Refit it clockwise starting outside and working inwards N Fit the screws N Refit the rope rotor as described in Replacing the Starter Rope N Tension the...

Страница 23: ...ook Removing the rubber element N Use a suitable tool to pry the clips 1 out of the hook 2 N Do not re use damaged or bent clips Always fit new ones N Cut the worn rubber element 3 so that it can be e...

Страница 24: ...HL recommends that you have servicing and repair work carried out exclusively by an authorized STIHL servicing dealer Antivibration System AV system Rubber elements are installed in the machine to red...

Страница 25: ...ction condition leaks X X Clean X Control handle Check operation X X Air filter Clean X X Replace X Pickup body in fuel tank Check X Replace X X X Fuel tank Clean X X X Carburetor Check idle adjustmen...

Страница 26: ...mends that this work be done by a STIHL servicing dealer The following intervals apply to normal operating conditions only If your daily work ing time is longer or operating conditions are difficult v...

Страница 27: ...ervicing dealer 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 tra...

Страница 28: ...ble 14 Control handle 15 Throttle trigger lockout 16 Slide control 17 Throttle trigger 18 Filler plug 19 Pushrod 20 Fuel filler cap 21 Carburetor adjusting screws 22 Starter grip 23 Decompression valv...

Страница 29: ...he vibration measurement REACH REACH is an EC regulation and stands for the Registration Evaluation Authorisation and Restriction of Chemical substances For information on compliance with the REACH re...

Страница 30: ...e only use replacement parts which have been approved by STIHL for this power tool or are technically identical Only use high quality replacement parts in order to avoid the risk of accidents and dama...

Страница 31: ...with the highest quality standards An independent organization has certified that all products manufactured by STIHL meet the strict requirements of the ISO 9001 standard for quality management syste...

Страница 32: ...www stihl com 04584180121A 0458 418 0121 A 0458 418 0121 A englisch G...

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