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MS 440

English

Engine

STIHL single cylinder two-stroke engine

Ignition System

Electronic magneto ignition

Fuel System

All position diaphragm carburetor with

integral fuel pump

Chain Lubrication

Fully automatic, speed-controlled

reciprocating oil pump. Manual oil flow

control

Weight

Cutting Attachment

Actual cutting length may be less than

the specified length

Rollomatic guide bars

3/8" chains

Chain sprockets

As a rule, the mean chain velocity in

operation is about 20% lower than the

maximum chain velocity in accordance

with ISO 11681. Contact your STIHL

servicing dealer for advice on personal

protective equipment.

Noise and Vibration Data

For further details on compliance with

Vibration Directive 2002/44/EC see

www.stihl.com/vib.

Sound pressure level L

peq

to ISO 22868

Sound power level L

to ISO 22868

Vibration measurement a

hv,eq

ISO 22867

The K

factor in accordance with

Directive 2006/42/EC is 2.5 dB(A) for

the sound pressure level and sound

power level; the K

factor in accordance

with Directive 2006/42/EC is 2.0 m/s

for the 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 regulation (EC) No. 1907/2006

see www.stihl.com/reach.

Specifications

Displacement:

70.7 cc

Bore:

50 mm

Stroke:

36 mm

Engine power to

ISO 7293:

4.0 kW (5.4 HP)

at 9,500 rpm

Idle speed:

to ISO 11681 +/- 50 rpm

2,500 rpm

Spark plug (resistor

type):

Bosch WSR 6 F,

NGK BPMR 7 A

Electrode gap:

0.5 mm

Fuel tank capacity:

780 cc (0.78 l)

Oil tank capacity:

275 cc (0.275 l)

dry, without bar and chain
MS 440:

6.3 kg

MS 440 with handle heating:

6.5 kg

Cutting lengths:

37, 40, 45, 50,

63, 75 cm

Pitch:

3/8"

Groove width:

1.6 mm

Rapid Micro (36 RM) Type 3652
Rapid Super (36 RS) Type 3621
Rapid Super 3 (36 RS3) Type 3626
Pitch:

3/8" (9.32 mm)

Drive link gauge:

1.6 mm

7-tooth for 3/8" (rim sprocket)
Max. chain velocity to

ISO 11681:

27.5 m/s

7-tooth for 3/8" (spur sprocket)
Max. chain velocity to

ISO 11681:

27.5 m/s

101 dB(A)

116 dB(A)

Handle, left

4.2 m/s

Handle, right:

4.5 m/s

Содержание MS440

Страница 1: ...STIHL MS 440 Instruction Manual...

Страница 2: ......

Страница 3: ...r Nikolas Stihl Guide to Using this Manual 2 Safety Precautions 3 Reactive Forces 8 Working Techniques 9 Cutting Attachment 18 Mounting the Bar and Chain 19 Tensioning the Chain 20 Checking Chain Tens...

Страница 4: ...achine 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...

Страница 5: ...nufacturer before operating this power tool Intended use The machine may only be used to saw wood and wooden objects Do not use the machine for any other purpose risk of accidents Do not modify the ma...

Страница 6: ...s chains chain sprockets and accessories They are specifically designed to match your model and meet your performance requirements Refuelling Switch off the engine before refuelling Never refuel the m...

Страница 7: ...tart the engine start as described in the Instruction Manual During operation Ensure you always have a firm and safe footing Take special care when the bark is wet danger of slipping Always hold the c...

Страница 8: ...ed by a STIHL servicing dealer if the saw chain still continues to move during idling Ensure proper ventilation when working in trenches hollows or other confined locations risk of fatal injury from b...

Страница 9: ...e fuel Check fuel cap regularly for tightness Use only spark plugs that are in perfect condition and have been approved by STIHL see Specifications Check ignition lead insulation in good condition sec...

Страница 10: ...firmly with both hands and maintain a secure grip Always cut at full throttle Be aware of the location of the guide bar nose Do not cut with the guide bar nose Be especially careful with small tough l...

Страница 11: ...recognise the danger Use aids such as winches or draglines When felling close to roads rail lines power lines etc work with particular care If necessary notify police power companies or railway autho...

Страница 12: ...rmation on a possible fire risk If on a slope stand on the uphill side of the log Watch out for rolling logs When working at heights Always use a lift bucket Never work on a ladder or in a tree Never...

Страница 13: ...ck that there are no other persons in the felling area other than helpers Make sure no one is endangered by the falling tree the noise of your engine may drown any warning calls Maintain a distance of...

Страница 14: ...atch out for falling limbs and watch the top of the tree Preparing work area at base of tree First clear the tree base and work area from interfering limbs and brush to provide a secure footing Clean...

Страница 15: ...the planned direction of fall if necessary correct direction of fall by re cutting the felling notch Sapwood cuts Sapwood cuts in long fibered softwood help prevent sapwood splintering when the tree f...

Страница 16: ...e cut the sight helps keep the hinge horizontal i e the same thickness all round To do this hold the plunge cutting sight parallel to the chord of the felling notch Felling wedges Make use of wedges a...

Страница 17: ...lly at the same level as the felling cut B Large diameter trees Perform this felling cut when the tree diameter is greater than the length of the guide bar Shout a warning before starting the felling...

Страница 18: ...cut Felling Cut with Holding Strap Leaner A Small diameter trees Perform this felling cut when the tree diameter is smaller than the length of the guide bar N Plunge the guide bar into the trunk unti...

Страница 19: ...p 3 Do not cut into the holding strap Continue the felling cut on the other side of the trunk Make sure the second cut is at the same height as the first cut N Engage the spiked bumper behind the hing...

Страница 20: ...ard with a chain scabbard that matches the cutting attachment If guide bars of different lengths are mounted to the saw always use a chain scabbard of the correct length which covers the complete guid...

Страница 21: ...arp cutters N Fit the chain start at the bar nose N Fit the guide bar over the studs 1 the cutting edges on the top of the bar must point to the right N Engage the peg of the tensioner slide in the lo...

Страница 22: ...has been in use for some time N Check chain tension frequently see chapter on Operating Instructions Your engine requires a mixture of gasoline and engine oil WARNING For health reasons avoid direct s...

Страница 23: ...converter Mix Ratio STIHL 50 1 two stroke engine oil 50 parts gasoline to 1 part oil Examples N Use a canister approved for storing fuel Pour oil into canister first then add gasoline and mix thoroug...

Страница 24: ...N Swing the grip to the upright position N Rotate the tank cap about a quarter turn counterclockwise N Remove the cap Filling up with fuel Take care not to spill fuel while fueling and do not overfil...

Страница 25: ...ation to top N Place the cap on the opening and rotate it counterclockwise until it engages the filler neck N Continue rotating the cap counterclockwise about a quarter turn this causes the bottom of...

Страница 26: ...marks on tank cap and fuel tank must line up N Press the cap down as far as stop N While holding the cap depressed turn it clockwise until it engages in position The marks on the tank cap and fuel tan...

Страница 27: ...ntial to use only a specially formulated chain lubricant WARNING Do not use waste oil Renewed contact with waste oil can cause skin cancer Moreover waste oil is environmentally harmful NOTICE Waste oi...

Страница 28: ...the chain runs dry the whole cutting attachment will be irretrievably damaged within a very short time Always check chain lubrication and the oil level in the tank before starting work Every new chain...

Страница 29: ...re than 3 seconds the chain must not rotate The hand guard must be free from dirt and move freely Chain brake maintenance The chain brake is subject to normal wear It is necessary to have it serviced...

Страница 30: ...ng is necessary Switching on the handle heating system depending on equipment version N Set switch to F to switch off return switch to the 0 position Overheating during continuous use is impossible Th...

Страница 31: ...ly versions with decompression valve N Press the button the decompression valve will be opened It is closed automatically when the engine starts for the first time N For this reason press the button a...

Страница 32: ...ssibility N Clamp the rear handle between the knees or thighs N Grip the handlebar firmly with the left hand thumb wrapped around the handlebar N With the right hand pull the starter grip slowly until...

Страница 33: ...brake N first always check chain lubrication At very low temperatures N Let the engine warm up briefly with the throttle slightly open N if necessary configure for winter operation see Winter Operati...

Страница 34: ...ulled along the bar by hand Retension if necessary see Tensioning the Saw Chain Chain at operating temperature The chain stretches and begins to sag The drive links must not come out of the bar groove...

Страница 35: ...r each sharpening and each time the chain is changed to avoid uneven wear especially at the sprocket nose and on the bottom N Periodically clean the oil inlet hole 1 oil outlet channel 2 and bar groov...

Страница 36: ...IHL filters attain a long service life N Always use STIHL filters dry Fouled air filters will impair engine performance increase fuel consumption and make the machine more difficult to start Box filte...

Страница 37: ...ll filter parts do not expose to extreme heat N Do not oil the filter N Reinstall filter Box filter Fleece filter Fabric filter N Knock out the outer half of the filter or blow it clear with compresse...

Страница 38: ...3 4 turn N Turn the low speed screw L carefully clockwise as far as stop then turn it back 1 4 turn Adjusting Idle Speed N Carry out the standard setting N Start and warm up the engine Engine stops w...

Страница 39: ...spark plug N Fit a new spark plug after about 100 operating hours or sooner if the electrodes are badly eroded Install only suppressed spark plugs of the type approved by STIHL see Specifications Rem...

Страница 40: ...aw chain and guide bar clean them and spray with corrosion inhibiting oil N Thoroughly clean the machine pay special attention to the cylinder fins and air filter N If you use a biological chain and b...

Страница 41: ...rd the outside N Refit washer and E clip on the crankshaft Sawing effortlessly with a properly sharpened saw chain A properly sharpened saw chain cuts through wood effortlessly even with very little p...

Страница 42: ...ncreased wear even to the point of saw chain breakage File holder N Use a file holder Always use a file holder special accessory see table Sharpening tools when sharpening saw chains by hand File hold...

Страница 43: ...e with file gauge All cutters must be equally long With varying cutter lengths the cutter heights also vary and cause rough running of the saw chain and chain breakage N All cutters must be filed down...

Страница 44: ...lings or grinding dust lubricate the saw chain thoroughly N In the event of extended periods of disuse store saw chains in cleaned and oiled condition 689BA051 KN 689BA044 KN 689BA052 KN Sharpening to...

Страница 45: ...damaged as required Complete machine Visual inspection condition leaks X X Clean X Throttle trigger trigger lockout choke lever stop switch Master Control lever depending on version Check operation X...

Страница 46: ...peration then every 150 hours of operation X Safety labels Replace X 1 STIHL recommends a STIHL servicing dealer 2 Firmly tighten down the cylinder base screws of professional saws 3 4 kW or more afte...

Страница 47: ...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 a...

Страница 48: ...er spike 10 Guide bar 11 Oilmatic saw chain 12 Oil filler cap 13 Muffler 14 Front hand guard 15 Front handle handlebar 16 Decompression valve 17 Starter grip 18 Fuel filler cap 19 Master Control lever...

Страница 49: ...nd pressure level and sound power level the K factor in accordance with Directive 2006 42 EC is 2 0 m s2 for the vibration measurement REACH REACH is an EC regulation and stands for the Registration E...

Страница 50: ...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 identical Only use high quality repl...

Страница 51: ...the ISO 9207 standard Measured sound power level Guaranteed sound power level The EC type examination was carried out by DPLF Deutsche Pr f und Zertifizierungsstelle f r Land und Forsttechnik NB 0363...

Страница 52: ...www stihl com 04581750121 0458 175 0121 0458 175 0121 englisch G...

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