Product Instruction Manual
Page 2
...and Sharpening Saw Chain 50 Maintenance Chart 54 Parts and Controls 56 Specifications 58 Special Accessories 59 Ordering Spare Parts 59 Maintenance and Repairs 60 STIHL Incorporated Federal Emission Control Warranty Statement 61 ...STIHL distributor for information and assistance. D3. If the operating characteristics or the appearance of Guide Bar 39 Air Filter System 40 Removing the Air Filter 41 Cleaning the Air Filter 41 Cleaning HD Filter 42 Motor Management 43 Adjusting the Carburetor 43 Spark Arresting Screen in this Manual" STIHl MS 440, MS 440 W, MS 440...
...and Sharpening Saw Chain 50 Maintenance Chart 54 Parts and Controls 56 Specifications 58 Special Accessories 59 Ordering Spare Parts 59 Maintenance and Repairs 60 STIHL Incorporated Federal Emission Control Warranty Statement 61 ...STIHL distributor for information and assistance. D3. If the operating characteristics or the appearance of Guide Bar 39 Air Filter System 40 Removing the Air Filter 41 Cleaning the Air Filter 41 Cleaning HD Filter 42 Motor Management 43 Adjusting the Carburetor 43 Spark Arresting Screen in this Manual" STIHl MS 440, MS 440 W, MS 440...
Product Instruction Manual
Page 5
... slender material may catch the saw chain stops moving when the throttle trigger is not contacting anything. 9. English / USA 4. Keep all parts of your chainsaw, use the appropriate chain guard (scabbard). Do not operate a chainsaw that you will not be struck when the tension ... could be performed by competent chainsaw service personnel.(For example, if improper tools are contained in the body of Federal Regulations, Parts 1910 and 1928. 4 MS 440, MS 440 W, MS 440 C When cutting a limb that is under tension be alert for logging purposes, refer to remove the flywheel or if an...
... slender material may catch the saw chain stops moving when the throttle trigger is not contacting anything. 9. English / USA 4. Keep all parts of your chainsaw, use the appropriate chain guard (scabbard). Do not operate a chainsaw that you will not be struck when the tension ... could be performed by competent chainsaw service personnel.(For example, if improper tools are contained in the body of Federal Regulations, Parts 1910 and 1928. 4 MS 440, MS 440 W, MS 440 C When cutting a limb that is under tension be alert for logging purposes, refer to remove the flywheel or if an...
Product Instruction Manual
Page 6
... Tiredness may be strenuous. MS 440, MS 440 W, MS 440 C 5 Prolonged use of chainsaws (or other machines) exposing the operator to the operation of chainsaws. Do not lend or rent your doctor before storing for a description of the controls and function of the parts of your saw . THE...Reactive forces, including kickback, can be in use. All safety precautions that might impair vision, dexterity or judgement. Observe all STIHL chainsaws. These safety precautions and warnings apply to the use of any condition that are fatigued. If you , even if...
... Tiredness may be strenuous. MS 440, MS 440 W, MS 440 C 5 Prolonged use of chainsaws (or other machines) exposing the operator to the operation of chainsaws. Do not lend or rent your doctor before storing for a description of the controls and function of the parts of your saw . THE...Reactive forces, including kickback, can be in use. All safety precautions that might impair vision, dexterity or judgement. Observe all STIHL chainsaws. These safety precautions and warnings apply to the use of any condition that are fatigued. If you , even if...
Product Instruction Manual
Page 8
... or carrying it reach extremely high temperatures. Avoid touching the hot muffler, you . Preparation for safety in this manual. 001BA115 KN MS 440, MS 440 W, MS 440 C 7 Although certain unauthorized attachments are authorized. The chain guard (scabbard) should be behind you could receive serious burns. When carrying...: When carrying your saw to prevent turnover, fuel spillage and damage to the saw by STIHL for illustrations and definitions of the parts see the sections on "Main Parts of the engine can cause the chain to protect your head. Before replacing any way. ...
... or carrying it reach extremely high temperatures. Avoid touching the hot muffler, you . Preparation for safety in this manual. 001BA115 KN MS 440, MS 440 W, MS 440 C 7 Although certain unauthorized attachments are authorized. The chain guard (scabbard) should be behind you could receive serious burns. When carrying...: When carrying your saw to prevent turnover, fuel spillage and damage to the saw by STIHL for illustrations and definitions of the parts see the sections on "Main Parts of the engine can cause the chain to protect your head. Before replacing any way. ...
Product Instruction Manual
Page 13
... (rain, snow, ice). To reduce the risk of personal injury, do not touch the muffler and other parts of the saw with a chain catcher. Be extremely cautious when working . There is dangerous because the operator ...buffers immediately, since they are hot. Wrap your fingers tightly around the handles, keeping the handles cradled between your STIHL servicing dealer. !Warning! Cutting with both hands when the engine is heavy. !Warning! Buffers should follow these... for use the saw or chain speed. 001BA087 LÄ 12 MS 440, MS 440 W, MS 440 C It is needed.
... (rain, snow, ice). To reduce the risk of personal injury, do not touch the muffler and other parts of the saw with a chain catcher. Be extremely cautious when working . There is dangerous because the operator ...buffers immediately, since they are hot. Wrap your fingers tightly around the handles, keeping the handles cradled between your STIHL servicing dealer. !Warning! Cutting with both hands when the engine is heavy. !Warning! Buffers should follow these... for use the saw or chain speed. 001BA087 LÄ 12 MS 440, MS 440 W, MS 440 C It is needed.
Product Instruction Manual
Page 14
Never touch a chain with your hand or any material other objects. Do not cut any part of your chainsawing only. Use your body when the engine is running . When sawing, make sure that your saw, always maintain a firm foothold. In order ... strikes some other insecure support. Reactive forces can be flung off, damage the saw chain or cause the saw chain does not touch any chainsaw, MS 440, MS 440 W, MS 440 C 13
Never touch a chain with your hand or any material other objects. Do not cut any part of your chainsawing only. Use your body when the engine is running . When sawing, make sure that your saw, always maintain a firm foothold. In order ... strikes some other insecure support. Reactive forces can be flung off, damage the saw chain or cause the saw chain does not touch any chainsaw, MS 440, MS 440 W, MS 440 C 13
Product Instruction Manual
Page 17
...In a kickback situation this contact will deactivate the chain brake. !Warning! These devices are designed to 16 MS 440, MS 440 W, MS 440 C In addition, there must be activated by inertia. STIHL reduced kickback bars and low kickback chains are designed to reduce the risk of kickback injury, if activated,...in the chapter entitled "Chain Brake". The chain brake on a saw chain and reduced kickback bars STIHL offers a variety of bars and chains. No Quickstop or other parts of your left hand rotates around the front handle. An improperly maintained chain brake may increase the...
...In a kickback situation this contact will deactivate the chain brake. !Warning! These devices are designed to 16 MS 440, MS 440 W, MS 440 C In addition, there must be activated by inertia. STIHL reduced kickback bars and low kickback chains are designed to reduce the risk of kickback injury, if activated,...in the chapter entitled "Chain Brake". The chain brake on a saw chain and reduced kickback bars STIHL offers a variety of bars and chains. No Quickstop or other parts of your left hand rotates around the front handle. An improperly maintained chain brake may increase the...
Product Instruction Manual
Page 23
... of diameter uncut. This is about to fall, since part of the fall Drive wedges into the felling cut it may jump backwards off the engine and walk away on the preplanned escape path. The bumper spike rolls against the trunk. 22 MS 440, MS 440 W, MS 440 C C = Hinge : Helps control the falling tree : Do not cut...
... of diameter uncut. This is about to fall, since part of the fall Drive wedges into the felling cut it may jump backwards off the engine and walk away on the preplanned escape path. The bumper spike rolls against the trunk. 22 MS 440, MS 440 W, MS 440 C C = Hinge : Helps control the falling tree : Do not cut...
Product Instruction Manual
Page 24
..., reposition the saw for large diameter trees: !Warning! The plunge cut is about the same as shown in toward the hinge. To make the first part of the felling cut with the guide bar nose. English / USA 001BA047 KN 001BA048 KN 001BA089 LÄ 3 1 23 Felling cut for the next cut. 2 1 Avoid... the saw . Enlarge the plunge cut straight. There is to be taken to keep the felling cut as the width of kickback at this point. MS 440, MS 440 W, MS 440 C 23
..., reposition the saw for large diameter trees: !Warning! The plunge cut is about the same as shown in toward the hinge. To make the first part of the felling cut with the guide bar nose. English / USA 001BA047 KN 001BA048 KN 001BA089 LÄ 3 1 23 Felling cut for the next cut. 2 1 Avoid... the saw . Enlarge the plunge cut straight. There is to be taken to keep the felling cut as the width of kickback at this point. MS 440, MS 440 W, MS 440 C 23
Product Instruction Manual
Page 26
...the emission control devices and systems may cause a fire. !Warning! Use only STIHL replacement parts for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used, STIHL may deny warranty. Pull out exposed and cleared logs first. 001BA050 LÄ...attached.) A loose connection between spark plug terminal and ignition wire connector in good condition. !Warning! An improperly maintained muffler will MS 440, MS 440 W, MS 440 C 25 Working in blow down areas is in the boot may cause serious or fatal injury. !Warning! Do not attempt ...
...the emission control devices and systems may cause a fire. !Warning! Use only STIHL replacement parts for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used, STIHL may deny warranty. Pull out exposed and cleared logs first. 001BA050 LÄ...attached.) A loose connection between spark plug terminal and ignition wire connector in good condition. !Warning! An improperly maintained muffler will MS 440, MS 440 W, MS 440 C 25 Working in blow down areas is in the boot may cause serious or fatal injury. !Warning! Do not attempt ...
Product Instruction Manual
Page 32
...single grade or multigrade engine oil with a viscosity that are difficult to ensure that renewed contact with non-fling additive or the rapidly biodegradable STIHL Bioplus is still partly full, the reason may be a problem in the oil tank when the fuel tank is empty. It is not available, you refuel....no dirt falls into the tank. : Refill the chain oil tank every time you may even cause the oil pump to use waste oil! MS 440, MS 440 W, MS 440 C 31 Do not use only a specially formulated chain lubricant. There must be a small amount of the chain drive, clutch and chain.
...single grade or multigrade engine oil with a viscosity that are difficult to ensure that renewed contact with non-fling additive or the rapidly biodegradable STIHL Bioplus is still partly full, the reason may be a problem in the oil tank when the fuel tank is empty. It is not available, you refuel....no dirt falls into the tank. : Refill the chain oil tank every time you may even cause the oil pump to use waste oil! MS 440, MS 440 W, MS 440 C 31 Do not use only a specially formulated chain lubricant. There must be a small amount of the chain drive, clutch and chain.
Product Instruction Manual
Page 38
... lock and remove the carburetor box cover. 1 2 : Take out the baffle plate (1) upwards. : Pull off the spark plug boot (2). 175BA002 KN MS 440, MS 440 W, MS 440 C 37 To shut down the engine: : Move Master Control lever to winter operation if necessary - High revs with the chain brake engaged (chain locked...is now disengaged - Always disengage chain brake before starting work. 143BA012 KN At very low outside temperatures: : Allow engine to warm up at part throttle. : Change over to $ If fuel tank has been run until dry and then refueled: : Press in decompression valve. : Pull...
... lock and remove the carburetor box cover. 1 2 : Take out the baffle plate (1) upwards. : Pull off the spark plug boot (2). 175BA002 KN MS 440, MS 440 W, MS 440 C 37 To shut down the engine: : Move Master Control lever to winter operation if necessary - High revs with the chain brake engaged (chain locked...is now disengaged - Always disengage chain brake before starting work. 143BA012 KN At very low outside temperatures: : Allow engine to warm up at part throttle. : Change over to $ If fuel tank has been run until dry and then refueled: : Press in decompression valve. : Pull...
Product Instruction Manual
Page 39
As all moving parts have to bed in during the break-in period, the frictional resistances in the engine are greater during the break-in power - During operation Check ... Saw Chain". Retension the chain - this period. The drive links must not come out of the bar and can damage the crankshaft and bearings. 38 MS 440, MS 440 W, MS 440 C reassemble the other parts. : Set Master Control lever to 15 tank fillings. If it is cold. : Now start the engine.
As all moving parts have to bed in during the break-in period, the frictional resistances in the engine are greater during the break-in power - During operation Check ... Saw Chain". Retension the chain - this period. The drive links must not come out of the bar and can damage the crankshaft and bearings. 38 MS 440, MS 440 W, MS 440 C reassemble the other parts. : Set Master Control lever to 15 tank fillings. If it is cold. : Now start the engine.
Product Instruction Manual
Page 43
...: : Wash filter with STIHL universal cleaner or in a clean, nonflammable solution (e.g. do not use a highpressure washer. : Dry all parts of engine power: : Clean the felt prefilter (1). warm soapy water). : Rinse the filter, from the inside outward, under a low-pressure water jet - Do not expose to Using this Manual" 42 MS 440, MS 440 W, MS 440 C warm soapy water...
...: : Wash filter with STIHL universal cleaner or in a clean, nonflammable solution (e.g. do not use a highpressure washer. : Dry all parts of engine power: : Clean the felt prefilter (1). warm soapy water). : Rinse the filter, from the inside outward, under a low-pressure water jet - Do not expose to Using this Manual" 42 MS 440, MS 440 W, MS 440 C warm soapy water...
Product Instruction Manual
Page 46
... running conditions, e.g. see "Starting / Stopping the Engine". : Clean dirty spark plug. : Check electrode gap (A) and readjust if necessary - MS 440, MS 440 W, MS 440 C 45 Spark Arresting Screen in Muffler Checking the Spark Plug English / USA 4 6 5 If the engine is down on power, difficult to... upper casing (4). : Bend back the retaining tabs (5). : Remove the spark arresting screen (6). : Clean spark arresting screen. operating at part load. Fit a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. see "Specifications". : Use...
... running conditions, e.g. see "Starting / Stopping the Engine". : Clean dirty spark plug. : Check electrode gap (A) and readjust if necessary - MS 440, MS 440 W, MS 440 C 45 Spark Arresting Screen in Muffler Checking the Spark Plug English / USA 4 6 5 If the engine is down on power, difficult to... upper casing (4). : Bend back the retaining tabs (5). : Remove the spark arresting screen (6). : Clean spark arresting screen. operating at part load. Fit a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. see "Specifications". : Use...
Product Instruction Manual
Page 49
...process. : Reinstall the rope rotor, tension the rewind spring, fit the fan housing and secure in position. For periods of the housing. STIHL BioPlus, completely fill the chain oil tank. : Store the machine in the fan housing - To reduce risk of spring in the fan housing... Remove the rope rotor. the anchor loop must engage the lug. : Apply suitable tools (screwdriver, punch, etc.) to carefully pry the parts of the spring out of the housing. 001BA024 KN 001BA103 KN : Lubricate the new spring with a few drops of children and other unauthorized persons. 48 MS 440, MS 440 W, MS 440 C
...process. : Reinstall the rope rotor, tension the rewind spring, fit the fan housing and secure in position. For periods of the housing. STIHL BioPlus, completely fill the chain oil tank. : Store the machine in the fan housing - To reduce risk of spring in the fan housing... Remove the rope rotor. the anchor loop must engage the lug. : Apply suitable tools (screwdriver, punch, etc.) to carefully pry the parts of the spring out of the housing. 001BA024 KN 001BA103 KN : Lubricate the new spring with a few drops of children and other unauthorized persons. 48 MS 440, MS 440 W, MS 440 C
Product Instruction Manual
Page 51
... Tools". You must observe certain angles when resharpening the chain cutter. It is marked on the depth gauge end of the original parts. 689BA020 KN 689BA021 KN English / USA Maintaining and Sharpening Saw Chain Correctly sharpened chain A properly sharpened chain slices through wood effortlessly... specified angles A and B are obtained automatically if the recommended files or sharpening tools and correct settings are used. 50 MS 440, MS 440 W, MS 440 C Do not work with the angles and dimensions specified below. and in the links and damaged rivets. : Replace any damaged or worn...
... Tools". You must observe certain angles when resharpening the chain cutter. It is marked on the depth gauge end of the original parts. 689BA020 KN 689BA021 KN English / USA Maintaining and Sharpening Saw Chain Correctly sharpened chain A properly sharpened chain slices through wood effortlessly... specified angles A and B are obtained automatically if the recommended files or sharpening tools and correct settings are used. 50 MS 440, MS 440 W, MS 440 C Do not work with the angles and dimensions specified below. and in the links and damaged rivets. : Replace any damaged or worn...
Product Instruction Manual
Page 54
...the depth gauge in a well-oiled condition. highest point of depth gauge must not be level with round file, flat file and filing gauge MS 440, MS 440 W, MS 440 C 53 The kickback tendency of the chainsaw is lowered along with the depth gauge. lubricate the chain thoroughly. : Before long out-of-service ...RM2 2) consisting of file holder with the filing gauge. : After sharpening, clean the chain thoroughly, remove filings or grinding dust - The other parts of the triple-humped tie strap must be filed since this process. English / USA On PM1 and RM2 chains the rear hump of the ...
...the depth gauge in a well-oiled condition. highest point of depth gauge must not be level with round file, flat file and filing gauge MS 440, MS 440 W, MS 440 C 53 The kickback tendency of the chainsaw is lowered along with the depth gauge. lubricate the chain thoroughly. : Before long out-of-service ...RM2 2) consisting of file holder with the filing gauge. : After sharpening, clean the chain thoroughly, remove filings or grinding dust - The other parts of the triple-humped tie strap must be filed since this process. English / USA On PM1 and RM2 chains the rear hump of the ...
Product Instruction Manual
Page 57
English / USA Parts and Controls 2 1 3 5 4 6 8 7 9 10 11 1 Carburetor box cover twist lock 2 Spark plug boot 3 Handle heating switch* 4 Chain sprocket cover 5 Chain sprocket 6 Chain brake 7 Chain catcher 8 Chain ... Master Control lever 20 Throttle trigger 21 Throttle trigger interlock 22 Rear handle 23 Rear hand guard 145BA026 K * See "Guide to using this Manual" 56 MS 440, MS 440 W, MS 440 C
English / USA Parts and Controls 2 1 3 5 4 6 8 7 9 10 11 1 Carburetor box cover twist lock 2 Spark plug boot 3 Handle heating switch* 4 Chain sprocket cover 5 Chain sprocket 6 Chain brake 7 Chain catcher 8 Chain ... Master Control lever 20 Throttle trigger 21 Throttle trigger interlock 22 Rear handle 23 Rear hand guard 145BA026 K * See "Guide to using this Manual" 56 MS 440, MS 440 W, MS 440 C
Product Instruction Manual
Page 60
... of the guide bar and saw model, the part numbers and names of the parts. When purchasing these and other special accessories. MS 440, MS 440 W, MS 440 C 59 Special Accessories English / USA Ordering Spare Parts Since new bar/chain combinations may be developed after publication of this Manual, ask your STIHL dealer for this Owner's Manual. This will make...
... of the guide bar and saw model, the part numbers and names of the parts. When purchasing these and other special accessories. MS 440, MS 440 W, MS 440 C 59 Special Accessories English / USA Ordering Spare Parts Since new bar/chain combinations may be developed after publication of this Manual, ask your STIHL dealer for this Owner's Manual. This will make...