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13.2

Disengage the chain brake.

9931BA015 KN

► Pull the hand guard back toward the front han‐

dle (position

‚

The chain brake is also activated by the inertia of

the front hand guard if the kickback force of the

saw is high enough: The hand guard is acceler‐

ated toward the bar nose – even if your left hand

is not behind the hand guard, e.g. during a hori‐

zontal cut.
The chain brake will operate only if the hand

guard has not been modified in any way.

13.3

Checking operation of the

chain brake

Before starting work:

► Move hand guard to position

‚

– chain brake

is disengaged.

► Switch on the saw.

► Push the hand guard towards the bar nose

(position

The chain brake is working properly if the saw

chain comes to a standstill within a few fractions

of a second.
The hand guard must be free from dirt and move

freely.

13.4

Chain brake maintenance

The chain brake is subject to normal wear. It is

necessary to have it serviced and maintained

regularly by trained personnel. STIHL recom‐

mends that you have servicing and repair work

carried out exclusively by an authorized STIHL

servicing dealer. Maintain the following servicing

intervals:
Full-time usage:

every 3 months

Part-time usage:

every 6 months

Occasional usage:

every 12 months

14 Connecting to Power Sup‐

ply

The voltage and frequency of the machine (see

rating plate) must match the voltage and fre‐

quency of the power connection.
The minimum fuse protection of the power con‐

nection must comply with the specifications – see

"Specifications".
The machine must be connected to the power

supply via an earth-leakage circuit breaker to dis‐

connect the power supply if the differential cur‐

rent to earth exceeds 30 mA.
The power connection must correspond to

IEC 60364 and relevant national regulations.

14.1

Extension cord

The design of the extension cord must at least

fulfill the same features as the connecting cord

on the machine. Observe the design marking

(type designation) on the connecting cord.
The cores in the cord must have the following

minimum cross-section depending on the mains

voltage and cord length.
Cord length

Minimum cross-section

220 V – 240 V:

Up to 20 m

1.5 mm

20 m to 50 m

2.5 mm

100 V – 127 V:

Up to 10 m

AWG 14 / 2.0 mm

10 m to 30 m

AWG 12 / 3.5 mm

14.2

Connecting to Wall Outlet

► Connect the power tool's plug or the extension

cord's plug to a properly installed wall outlet.

15 Switching On

► Make sure you have a secure and balanced

footing.

► Check that bystanders are well clear of the

general work area of the power tool.

► Hold the power tool firmly with both hands on

the handles.

► Check that the saw chain chain is not touching

the wood or any other object.

14 Connecting to Power Supply

English

0458-764-0121-B

Содержание MSE 250 C

Страница 1: ...MSE 250 C Instruction Manual 2 34 ...

Страница 2: ...ance Every effort has been made to ensure your satis faction and trouble free use of the product Please contact your dealer or our sales company if you have any queries concerning this product Your Dr Nikolas Stihl 1 Guide to Using this Manual This instruction manual covers a STIHL electric chain saw which is also referred to as the saw power tool or machine in the descriptions 1 1 Pictograms The ...

Страница 3: ...doctor before operating a chain saw Do not operate the chain saw if you are under the influence of any substance drugs alcohol which might impair vision dexterity or judgment To reduce the risk of accidents or injury put off the work in poor weather conditions rain snow ice wind 2 2 Intended Use The chainsaw may be used for cutting wood and wooden objects only It is particularly suitable for cutti...

Страница 4: ...ck Voltage and frequency of the machine see rating plate and the voltage and frequency of your power supply must be the same Check the connecting cord plug extension cord and safety devices for damage Never use damaged cords couplings and plugs or connecting cords that do not comply with regu lations Always connect the power tool to a properly installed wall outlet Check that the insulation of the...

Страница 5: ...et 9931BA042 KN Always hold your saw firmly with both hands Right hand on the rear handle even if you are left handed To ensure safe control wrap your fingers tightly around the front handle and control handle In case of imminent danger or in an emergency switch off the chainsaw immediately move hand guard to ƒ and disconnect the plug from the wall outlet The drive motor is not waterproof Never wo...

Страница 6: ... to ƒ disconnect the plug from the wall outlet and fit the chain scabbard 2 12 Storing When the chainsaw is not in use store it so that it does not endanger others Secure it against unauthorized use Store your chainsaw in a dry location with the hand guard on ƒ and the plug disconnected from the wall outlet 2 13 Vibrations Prolonged use of the power tool may result in vibration induced circulation...

Страница 7: ...n the saw is suddenly thrown up and back in an uncontrolled arc towards the operator 3 2 Kickback occurs if e g 001BA257 KN when the upper quadrant of the bar nose unin tentionally contacts wood or another solid object e g when another limb is touched acci dentally during limbing when the chain at the nose of the guide bar is pinched in the cut 3 3 Quickstop chain brake This device reduces the ris...

Страница 8: ...ty of roads railways power lines etc take extra precautions If nec essary inform the police utility company or rail way authority 4 Working Techniques Only specially trained persons may perform cut ting and felling operations and all other associ ated work plunge cutting limbing etc To reduce the risk of accidents and injury do not attempt felling or limbing if you are not an experi enced chainsaw...

Страница 9: ...r work on an insecure support Never work above shoulder height Never use the machine with just one hand Begin cutting with the saw at full throttle and engage the spiked bumper firmly in the wood and then continue cutting Never work without the spiked bumper because the saw may pull you forwards and off balance Always hold the spiked bumper securely against the tree or limb At the end of the cut t...

Страница 10: ... The wind direction and speed do not fell in high winds Direction of slope Neighboring trees Snow load Take the general condition of the tree into account be especially careful with trunk damage or deadwood brittle rotten or dead wood 001BA040 KN B B A Direction of fall B Escape path escape routes Establish escape paths for each worker approx 45 diagonally opposite to the direc tion of fall Clear ...

Страница 11: ...trunk diameter align the tip of the meter stick in the defined direction of fall Mark the trunk at both ends of the meter stick to limit the felling notch Making the felling notch 001BA247 KN When making a felling notch align the chainsaw so that the notch lies at a right angle to the direc tion of fall During the procedure various sequences are permitted for making a felling notch with a bottom h...

Страница 12: ...0 to 1 5 of the trunk diameter Do not cut into the strip during the felling cut With rotten trunks leave a wider strip Plunge cutting For relieving cuts during shortening For wood carving 001BA269 KN 3 1 2 Use a low kickback saw chain and proceed with special care 1 Begin cut by applying the lower portion of the guide bar nose do not use upper portion because of risk of kickback Cut at full streng...

Страница 13: ...ng before starting the felling cut Plunge cut the felling cut E plunge the guide bar fully in Engage the spiked bumper behind the hinge and use this as the rotation point reposition the chainsaw as little as possible Make the felling cut up to the hinge 1 Do not cut into the hinge Make the felling cut up to the stabilizing strap 2 Do not cut into the stabilizing strap 001BA273 KN 3 Set the felling...

Страница 14: ...he felling cut towards the holding strap 2 Cut horizontally Do not cut into the holding strap 001BA266 KN Shout a second warning immediately before the tree falls With outstretched arms cut through the hold ing strap at a downward angle from outside B Thick trunks 001BA267 KN 1 2 3 4 5 6 Perform this felling cut when the tree diameter is greater than the cutting length of the chainsaw Engage the b...

Страница 15: ...ain sprocket and the nose sprocket of the Rollo matic guide bar must match The drive link gauge 2 of the saw chain 1 must match the groove width of the guide bar 3 If non matching components are used the cut ting attachment may be damaged beyond repair after a short period of operation 5 1 Chain Scabbard 001BA244 KN Your saw comes standard with a chain scabbard that matches the cutting attachment ...

Страница 16: ... show the chain s direction of rotation Fit the guide bar over the studs 2 and engage the tensioner slide in the hole 3 place the chain over the sprocket 4 at the same time 5 9913BA004 KN Turn the tensioning screw 5 clockwise until there is very little chain sag on the underside of the bar and the drive link tangs are engaged in the bar groove Refit the sprocket cover and tighten the nut only mode...

Страница 17: ... on Operating Instructions 9 Chain Lubricant For automatic and reliable lubrication of the chain and guide bar use only an environmen tally compatible quality chain and bar lubricant Rapidly biodegradable STIHL BioPlus is recom mended NOTICE Biological chain oil must be resistant to aging e g STIHL BioPlus since it will otherwise quickly turn to resin This results in hard deposits that are difficu...

Страница 18: ... and do not overfill the tank STIHL recommends you use the STIHL filler noz zle for chain oil special accessory Filling Up with Chain Oil 10 4 Closing the Tank Cap 001BA252 KN Grip must be vertical Fit the cap marks on tank cap and oil tank must line up Press the cap down as far as stop 001BA253 KN While holding the cap depressed turn it clock wise until it engages in position 001BA254 KN The mark...

Страница 19: ...otating the cap counterclockwise about a quarter turn this causes the bottom of the cap to be turned to the correct position Turn the cap clockwise and lock it in position see section on Closing the Tank Cap 10 6 Checking Oil Level 1 9913BA008 KN Check the oil level regularly during operation Top up the oil tank when the oil level reaches the min mark 1 or earlier If the oil level in the tank does...

Страница 20: ...the saw chain has run in check the tension of the chain and correct if necessary see Checking the chain tension 12 Coasting Brake 2 1 9913BA009 KN The coasting brake brings the running chain to a standstill when you let go of the trigger switch 1 Coasting brake off 2 Coasting brake activated 13 Chain Brake 13 1 Locking the chain 9931BA003 KN in an emergency The chain brake is activated by pushing ...

Страница 21: ... Power Sup ply The voltage and frequency of the machine see rating plate must match the voltage and fre quency of the power connection The minimum fuse protection of the power con nection must comply with the specifications see Specifications The machine must be connected to the power supply via an earth leakage circuit breaker to dis connect the power supply if the differential cur rent to earth ...

Страница 22: ...e trigger switch is fully released If you release the trigger switch slowly or only partly the saw chain will continue to run for several seconds 9931BA003 KN Move hand guard to ƒ the chain is locked During longer work breaks disconnect the plug from the wall outlet When the machine is not in use store it in such a way that it does not endanger others Secure it against unauthorized use 17 Overload...

Страница 23: ... Chain cold Tension is correct when the chain fits snugly against the underside of the bar and can still be pulled along the bar by hand Retension if neces sary see Tensioning the Saw Chain 18 1 3 Chain at operating temperature The chain stretches and begins to sag The drive links must not come out of the bar groove the chain may otherwise jump off the bar Retension the chain see Tensioning the Sa...

Страница 24: ...ket are deeper than 0 5 mm the life of the chain would otherwise be reduced Use reference gauge special accessory to check the depth of the wear marks It is best to use two saw chains in rotation with one sprocket STIHL recommends the use of original STIHL sprockets to ensure correct operation of the chain brake 3 1 9931BA016 KN Ease the E clip 1 off the shaft Remove and inspect the washer 3 repla...

Страница 25: ... of 10 Ripping chains have an X in their designations B Side plate angle The correct side plate angle is obtained automat ically if you use the prescribed file holder and file diameter Cutter shapes Angle A B Micro semi chisel cutter e g 63 PM3 26 RM3 36 RM 30 75 Super chisel cutter e g 63 PS3 26 RS 36 RS3 30 60 Ripping chain e g 63 PMX 36 RMX 10 75 The angles must be the same on all cutters If th...

Страница 26: ...avoid one sided wear Use a piece of hardwood to remove burrs from the cutting edge Check angles with the filing gauge All cutters must be the same length If the cutters are not the same length they will have different heights This makes the chain run roughly and can cause it to break Find the shortest cutter and then file all other cutters back to the same length It is best to have this work done ...

Страница 27: ...ling gauge on the chain the high est point of the depth gauge must be level with the filing gauge After sharpening clean the chain thoroughly remove filings or grinding dust lubricate the chain thoroughly Before a long out of service period clean the chain and store it in a well oiled condition Sharpening Tools special accessories Chain pitch Round file Round file File holder Filing gauge Flat fil...

Страница 28: ...tion X Check1 2 X Chain oil tank Clean X Chain Lubrication Check X Saw chain Inspect also check sharpness X Check chain tension X Sharpen X Guide bar Check wear damage X Clean and turn over X X Deburr X Replace X X Chain sprocket Check X Cooling inlets Clean X All accessible screws and nuts Retighten X Chain catcher on sprocket cover Check X Replace sprocket cover X Power cord Check X Replace1 X S...

Страница 29: ...ge that may occur Among other things this includes Damage to the motor due to neglect or defi cient maintenance e g not cleaning cooling air inlets Damage due to incorrect electrical connection voltage inadequately rated connecting cords Corrosion and other consequential damage resulting from improper storage Damage to the product resulting from the use of poor quality replacement parts 25 2 Parts...

Страница 30: ...Directive 2006 42 EC is 2 0 m s2 for the vibration level The vibration values quoted above have been measured according to a standardized test pro cedure and may be used to compare electric power tools Depending on the type of usage the vibrations that actually occur may differ from the values quoted The vibration values quoted may be used for an initial assessment of the user s exposure to vibrat...

Страница 31: ...ing dealer for the lat est information on waste disposal 31 EC Declaration of Con formity ANDREAS STIHL AG Co KG Badstr 115 D 71336 Waiblingen Germany declares under our sole responsibility that Designation Electric saw Make STIHL Series MSE 250 C Serial identification number 1210 conforms to the relevant provisions of Directives 2011 65 EU 2006 42 EC 2014 30 EU and 2000 14 EC and has been develop...

Страница 32: ...or carrying pulling or unplugging the power tool Keep cord away from heat oil sharp edges or moving parts Damaged or entan gled cords increase the risk of electric shock e When operating a power tool outdoors use an extension cord suitable for outdoor use Use of a cord suitable for outdoor use reduces the risk of electric shock f If operating a power tool in a damp location is unavoidable use a re...

Страница 33: ... cause entanglement of your clothing or body with the saw chain Always hold the chain saw with your right hand on the rear handle and your left hand on the front handle Holding the chain saw with a reversed hand configuration increases the risk of personal injury and should never be done Hold the power tool by insulated gripping sur faces only because the saw chain may con tact hidden wiring or it...

Страница 34: ...t or injury Kickback is the result of tool misuse and or incor rect operating procedures and can be avoided by taking proper precautions as given below Maintain a firm grip with thumbs and fingers encircling the chain saw handles with both hands on the saw and position your body and arm to allow you to resist kickback forces Kickback forces can be controlled by the oper ator if proper precautions ...

Страница 35: ...32 General Power Tool Safety Warnings English 0458 764 0121 B 35 ...

Страница 36: ...www stihl com 04587640121B 04587640121B 0458 764 0121 B 0458 764 0121 B ...

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