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Stihl SP 81, Инструкция по эксплуатации

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20

English

SP 81

If the engine still does not start

:

Move slide control to 

STOP-O

:

Remove the spark plug boot

 

(

10

).

:

Unscrew and dry off the spark plug.

:

Open the throttle wide.

:

Crank the engine several times with 
the starter to clear the combustion 
chamber.

:

Refit the spark plug. Connect the 
spark plug boot (press it down 
firmly).

:

Move slide control to 

START

.

:

Set the choke lever to 

e

, even if the 

engine is cold.

:

Now start the engine.

Adjustment of throttle cable

:

Check adjustment of the throttle 
cable – see “Adjusting the Throttle 
Cable”.

Fuel tank run until dry

:

After refueling, press the fuel pump 
bulb at least five times – even if bulb 
is filled with fuel.

:

Set the choke lever according to 
engine temperature.

:

Now start the engine.

During break-in period

A factory new machine should not be run 
at high revs (full throttle off load) for the 
first three tank fillings. This avoids 
unnecessary high loads during the 
break-in period.
As all moving parts have to bed in during 
the break-in period, the frictional 
resistances in the engine are greater 
during this period.
The engine develops its maximum 
power after about 5 to 15 tank fillings.

During operation

After a long period of full-throttle 
operation, allow engine to run for a while 
at idle speed so that the heat in the 
engine can be dissipated by flow of 
cooling air. This protects engine-
mounted components (ignition, 
carburetor) from thermal overload.

After finishing work

Storing for short period:
Wait for engine to cool down. Drain the 
fuel tank and keep the unit in a dry place, 
away from sources of ignition, until you 
need it again.
Storing for a long period:
see chapter "Storing the Machine".

393BA019 KN

10

Operating Instructions

Содержание SP 81

Страница 1: ...Instruction Manual STIH STIHL SP 81 BA_SP81_01_U_C6 book Seite 0 Mittwoch 15 März 2006 ...

Страница 2: ...or 21 Spark Arresting Screen in Muffler 23 Checking the Spark Plug 23 Replacing the Starter Rope and Rewind Spring 24 Storing the Machine 27 Lubricating the Gearbox 27 Maintenance 28 Maintenance Chart 30 Minimize Wear and Avoid Damage 31 Main Parts and Controls 32 Specifications 33 Special Accessories 34 Maintenance and Repairs 34 Quality Certification 34 Dear Customer Thank you for choosing a qua...

Страница 3: ...e is a risk of damaging the machine or its individual components Note or hint which is not essential for using the machine but may improve the operator s under standing of the situation and result in better use of the machine Note or hint on correct procedure in order to avoid damage to the environment Equipment and features This instruction manual may refer to several models with different featur...

Страница 4: ... injury to third parties or damage to their property Lend or rent your power tool only to persons who are familiar with this model and its operation and only with the instruction manual 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 Pe...

Страница 5: ...with non slip soles Wear a safety hard hat where there is a danger of head injuries from falling objects To reduce the risk of injury to your eyes from swirled up or thrown objects always wear a face shield and safety glasses Warning A face shield alone does not provide adequate eye protection Wear hearing protection e g earplugs or ear muffs Wear heavy duty gloves preferably made of leather STIHL...

Страница 6: ...terlock if fitted and throttle trigger throttle trigger must return automatically to idle position Rakes Securely mounted and in good condition clean move freely not warped or cracked Check that spark plug boot is secure a loose boot may cause arcing that could ignite combustible fumes and cause a fire Never attempt to modify the controls or safety devices Keep the handles dry and clean free from ...

Страница 7: ...nce and secure footing Wrap your fingers and thumbs around the handles Right hand on the control handle left hand on the handle on the drive tube Left handers should follow these instructions too The machine can be carried on a harness to relieve the load on the operator s arms During Operation In the event of imminent danger or in an emergency switch off the engine immediately move the slide cont...

Страница 8: ...r 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 Before Starting Check in particular that the fuel system is properly sealed no leaks and the safety devices are working properly Do not continue operating your power tool if it is damaged In case of doubt have the machi...

Страница 9: ... for the period of use because it is influenced by a number of factors The period of use is extended by Protecting your hands warm gloves Taking regular work breaks The period of use is shortened by Personal disposition to poor circulation symptoms frequent cold fingers tingling sensations Low outside temperatures The force with which the handles are held Gripping the handles with excessive pressu...

Страница 10: ...k of injury if the engine starts up inadvertently Exception adjustment of carburetor and idle speed Do not service or store the machine near a naked light risk of fire due to the fuel Check fuel cap regularly for tightness Use only the spark plugs approved by STIHL see Specifications Inspect ignition lead insulation in good condition secure connection To reduce the risk of fire due to ignition out...

Страница 11: ...ive tube Mount the attachment see instruction manual supplied with the attachment Retrofitting Loop Handle Refer to table for required type of loop handle Suitable loop handles are available as accessories from STIHL servicing dealers Positioning the handle Push the handle hose 2 up to the carrying ring 1 Fit the loop handle 3 on the drive tube about 20 cm A forward of the control handle 4 Mountin...

Страница 12: ... both against the drive tube 8 Fit the clamp 9 and line up the holes Fit the washers 11 on the screws 10 and insert the screws in the holes Screw them into the square nuts 5 as far as stop Go to Adjusting the handle Adjusting the handle Line up the handle and adjust it to the most favorable position for the user and application Distance A must not be more than 55 cm About 35 cm is recommended Tigh...

Страница 13: ...e for best results Accelerate the engine and comb the branches with the rakes Use the throttle trigger to obtain the optimum rake stroke rate stroke opening and closing motion of rakes Keep the throttle open only as long as the rakes are engaged in the branches Do not accelerate the engine when the rakes are not engaged in the branches Re position the rakes Repeat this procedure for all sections o...

Страница 14: ...rive shaft with its tapped hole on the left user side Squeeze the ends of the carrying ring together and insert the M6x14 screw 3 Line up the carrying ring Tighten down the screw firmly Mounting the Gearhead Place the power tool on the ground so that it rests on the machine support Loosen the clamp screws 1 on the gearhead do not remove them Apply a mark with pencil or crayon at distance A 40 mm f...

Страница 15: ... clamp see arrows Line up the rakes parallel to the machine support or level with the ground Tighten down the clamp screws on the gearhead Move the handle hose 4 to the most comfortable working position A properly adjusted throttle cable is the precondition for correct operation in the full throttle starting throttle and idle positions Adjust the throttle cable only after the unit is fully assembl...

Страница 16: ...gine Poor quality gasoline or engine oil may damage the engine sealing rings hoses and the fuel tank Gasoline Use only high quality brand name gasoline with a minimum octane rating of 90 leaded or unleaded If your machine is equipped with a catalytic converter you must use unleaded gasoline A few tankfuls of leaded gasoline will greatly reduce the efficiency of the catalytic converter Engine Oil U...

Страница 17: ...ng your machine Pressure may build up in the canister open it carefully Clean the fuel tank and canister from time to time Dispose of remaining fuel and cleaning fluid properly in accordance with local regulations and environment requirements Before fueling clean the filler cap and the area around it to ensure that no dirt falls into the tank Always thoroughly shake the mixture in the canister bef...

Страница 18: ...p 1 Adjust the length of the strap so that the carabiner 2 is about a hand s width below your right hip Controls Throttle trigger interlock 1 throttle trigger 2 and slide control 3 Positions of slide control STOP O 4 engine off the igniton is switched off 5 normal run position the engine is running or can start START 6 the engine is switched on the engine can start 389BA032 KN Fitting the Harness ...

Страница 19: ...d Press the fuel pump bulb 9 at least five times even if the bulb is filled with fuel Place the unit on the ground It must rest securely on the engine support Rest the gearhead on a raised support high mound or the fork of a branch Check that the rakes are not touching the ground or any other obstacles Make sure you have a firm footing Press the unit firmly against the ground with your left hand Y...

Страница 20: ...to full length it might break Do not let the starter grip snap back guide it slowly into the housing so that the starter rope can rewind properly Continue cranking When engine begins to fire follow procedure described under When engine begins to fire To shut down the engine Move the slide control in direction of arrow h to STOP O At very low outside temperatures As soon as the engine runs Blip the...

Страница 21: ...n period A factory new machine should not be run at high revs full throttle off load for the first three tank fillings This avoids unnecessary high loads during the break in period As all moving parts have to bed in during the break in period the frictional resistances in the engine are greater during this period The engine develops its maximum power after about 5 to 15 tank fillings During operat...

Страница 22: ...nt As a temporary measure you can knock it out on the palm of your hand or blow it out with compressed air Do not wash Replace damaged parts Install the foam element 3 in the filter cover 2 Place felt element 4 lettering facing inward in filter housing 5 Fit filter cover so that it snaps into position The carburetor comes from the factory with a standard setting This setting provides an optimum fu...

Страница 23: ... satisfactory when operating at high altitude Rule of thumb Turn the high speed screw H about 1 4 turn for every 1000 meter 3300 ft change in altitude Conditions for adjustment Carry out standard setting Warm up engine for about 5 minutes Open the throttle wide At high altitude Turn the high speed screw H clockwise leaner no further than stop until there is no noticeable increase in engine speed I...

Страница 24: ...s low on power check the spark arresting screen in the muffler Lift spark arresting screen and pull it out sideways Clean spark arresting screen if necessary If screen is damaged or coked up fit a new one Refit the spark arresting screen see Guide to Using this Manual If engine is down on power difficult to start or runs poorly at idle speed first check the spark plug Remove the spark plug see Sta...

Страница 25: ...rk plugs of the type approved by STIHL see Specifications To reduce the risk of arcing and fire If the spark plug comes with a detachable adapter nut 1 screw it on firmly On all spark plugs Always press the boot 2 firmly on to the spark plug 3 Removing the Starter Cover Take out the screws 1 Lift the starter cover 2 away from the tank 3 and pull it out from under the shroud 4 1 000BA045 KN 3 000BA...

Страница 26: ...rt sleeve is not pushed out of the grip Tie a simple overhand knot in the end of the new starter rope see Specifications and then thread the rope through the top of the grip and the rope bushing 7 Refit the cap in the grip Pull the rope through the rotor and secure it with a simple overhand knot Go to Installing the rope rotor Replacing a Broken Rewind Spring Two types of replacement spring are av...

Страница 27: ...Coat rope rotor bearing bore with non resinous oil see Special Accessories Slide the rotor onto the starter post turn it back and forth until the rewind spring anchor loop 8 engages Insert the screw 5 and tighten it down securely Go to Tensioning the Rewind Spring Tensioning the Rewind Spring Make a loop in the unwound starter rope and use it to turn the rope rotor six full revolutions countercloc...

Страница 28: ...inder fins and air filter Store the machine in a dry high or locked location out of the reach of children and other unauthorized persons Check grease level regularly after about every 30 hours of operation Remove the screw plug 1 from the gear housing If no grease can be seen on the inside of the screw plug screw the tube of STIHL grease for hedge trimmers 2 into the filler hole STIHL grease is su...

Страница 29: ... condition of the O rings and replace them if there are any signs of damage Squeeze the tube of STIHL SP bearing grease to obtain a short length of grease Coat each pin with bearing grease Installing Assemble and install in the reverse sequence Checking Rake Clearance Close the rakes and set them to their closest point the forkhead should be at the bottom of its stroke Grip the gullets of the inne...

Страница 30: ...ntly ease the rakes apart Measure the distance b between the tips of the tines do not bend the tines in this process The difference between the two dimensions b a must be less than 4 mm If this is not the case have the machine repaired by your servicing dealer ...

Страница 31: ...eekly monthly yearly if problem if damaged as required Complete machine Visual inspection condition leaks X X Clean X Control handle Check operation X X Air filter Check X X Replace filter element X X Filter in fuel tank Check X Replace X X Fuel tank Clean X Carburetor Check idle adjustment rakes must not move X X Readjust idle X Spark plug Readjust electrode gap X Replace after 100 hours of opera...

Страница 32: ... STIHL recommends that you have maintenance and repair work carried out only by an authorized STIHL servicing dealer STIHL servicing dealers are able to attend regular training courses and receive technical information bulletins on the latest engineering changes If these operations are not carried out as specified the user assumes responsibility for any damage that may occur Among other things thi...

Страница 33: ...9 Throttle trigger interlock 10 Throttle trigger 11 Spark plug boot 12 Air filter cover 13 Machine support 14 Muffler 15 Fuel tank 16 Tank cap 17 Carburetor adjusting screws 18 Choke lever 19 Fuel pump 20 Starter grip Serial number Main Parts and Controls 20 3 11 5 13 413BA026 KN 14 17 18 19 16 15 10 7 8 12 9 6 1 1 2 4 ...

Страница 34: ...ower to ISO 8893 0 95 kW 1 3 bhp Idle speed 2 800 rpm Cut off speed rated 10 500 rpm Stroke rate at 10 000 rpm 8 000 str min Type Electronic magneto ignition Spark plug suppressed Bosch WSR 6 F NGK BPMR 7 A or Champion RCJ 6Y Electrode gap 0 5 mm Spark plug thread M 14 x 1 25 9 5 mm long Specifications Carburetor All position diaphragm carburetor with integral fuel pump Air filter Foam and felt el...

Страница 35: ...authorized STIHL dealer STIHL dealers regularly attend training courses and are supplied with the necessary technical information When repairing the machine only use replacement parts which have been approved by STIHL for this power tool or are technically equivalent Only use high quality replacement parts in order to avoid the risk of accidents or damage to the machine STIHL recommends the use of...

Страница 36: ...35 SP 81 English ...

Страница 37: ...36 English SP 81 ...

Страница 38: ...0458 413 0121 englisch English BA_SP81_01_U_C6 book Seite 1 Mittwoch 15 März 2006 ...

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