Stihl TS 420, Original Instruction Manual

Page 1: ... Working safely with cut off machines ...

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Page 3: ... shows the TS 420 cut off machine as an example Other cut off machines may have different controls This brochure contains references to chapters in the Instruction Manuals for the specific machines Thus the Instruction Manual for the respective cut off machine and the information sheets enclosed with the cut off wheel must be observed If you still have questions after reading this brochure please ...

Page 4: ...recommends that you consult your doctor and the manufacturer of your pacemaker in order to avoid health hazards Anyone who has consumed alcohol medicines affecting their ability to react or drugs must not operate the machine Postpone the work if the weather is bad snow ice wind higher risk of accidents The machine may only be used for cutting It is not suitable for cutting wood or wooden objects A...

Page 5: ...utting wheel fitted it may break In vehicles Properly secure your machine to prevent turnover damage and fuel spillage Refueling Switch off the engine before refueling Never refuel the machine while the engine is still hot the fuel may spill over risk of fire Open the fuel filler cap carefully so that any excess pressure is relieved gradually and fuel does not splash out The machine may only be re...

Page 6: ... display any signs of core fatigue or overheating discoloration check also that there are no damaged or missing segments and that the spindle bore is not damaged Never use a chipped cracked or warped cutting wheel Substandard and or unapproved diamond cutting wheels can shimmy during cutting This shimmying can cause such diamond cutting wheels to be abruptly braked or become stuck in the cut Dange...

Page 7: ...if it is in good working order risk of accident Starting the engine Move at least 3 meters away from the place at which the machine was refueled and never start the machine in enclosed spaces The machine may only be used on level ground Ensure a firm and secure footing and hold the machine firmly The cutting wheel must not touch any objects or the ground and must not be in the cut The cutting whee...

Page 8: ...ethodically only with good lighting and visibility Take care not to endanger other people Ensure proper ventilation when working in trenches hollows or other confined locations risk of serious or fatal injury from breathing toxic fumes If you feel sick if you have a headache vision problems e g your field of vision gets smaller hearing problems dizziness or inability to concentrate stop work immed...

Page 9: ...ntact with a solid object Reduce the risk of kickback Work cautiously and methodically Hold the cut off machine firmly with both hands and maintain a secure grip Do not use the upper quarter of the cutting wheel for cutting The cutting wheel must be introduced into the cut with extreme care without twisting and without pushing Always be aware that the object to be cut may move and other factors ma...

Page 10: ...s are suitable for dry cutting or wet cutting only Work with water and wet cutting when using composite resin cutting wheels that are suitable only for wet cutting e g use STIHL water attachment Use dry cutting when using composite resin cutting wheels that are suitable only for dry cutting If composite resin cutting wheels of this type become wet their cutting performance is reduced and they beco...

Page 11: ...to ignition outside the cylinder move the slide control stop switch to STOP or 0 before turning the engine over on the starter with the spark plug boot removed or the spark plug unscrewed Do not service or store the machine near a naked flame risk of fire due to the fuel Check fuel cap regularly for tightness Use only spark plugs that are in perfect condition and have been approved by STIHL see Sp...

Page 12: ...k 10 l for binding dust water tank usable on the cut off machine cart for binding dust Observe with diamond and composite resin cutting wheels Object to be cut Must be fully supported Must be secured so it cannot roll or slip off Must be prevented from vibrating Severed parts With openings recesses etc the sequence of the cuts is important Always make the last cut so that the cutting wheel does no...

Page 13: ... feed with full cutting depth along the guide groove for small corrections of direction do not tilt the cutting wheel but always position it anew instead if necessary leave small ridges that hold the part that is to be separated in position Break these ridges later Shaping pipe N Mark a cutting line N Grind a guide groove along the marked cutting line do this by starting at the apex and cut outwar...

Page 14: ...esses during transport and storage Avoid jolting and impacts Stack cutting wheels flat on a level surface in the original packaging in a dry place where the temperature is as constant as possible Do not store cutting wheels in the vicinity of aggressive fluids Store cutting wheels in a frost free place The proper selection and use of composite resin cutting wheels ensures economical use and avoids...

Page 15: ...f application of the cutting wheel the numbers denote the performance class of the STIHL diamond cutting wheel Axial and radial run out A faultless spindle bearing of the cut off machine is necessary for a long service life and efficient functioning of the diamond cutting wheel Using the cutting wheel on a cut off machine with a faulty spindle bearing can lead to deviations in radial and axial run...

Page 16: ... is dull built up edges with cut ting wheels for stone Sharpen cutting wheels for stone by briefly cutting through abrasive materials replace cutting wheel for asphalt with a new one poor cutting performance high segment wear Cutting wheel is turning in the wrong direction Mount cutting wheel so that it turns in the right direction Breakdowns or tears in the parent wheel and segment Overloading us...

Page 17: ...dling e g excessive feed effort if excessively large cross sections are cut without pendulum cutting movement back and forth in the cutting plane Built up edges increase vibration reduce cutting performance and cause formation of sparks At the first signs of built up edges immediately sharpen the diamond cutting wheel to do this briefly cut through abrasive material such as sandstone aerated concr...

Page 18: ...ts Check operation X X Fuel pick up body in fuel tank test check X Replace X X X Fuel tank Clean X Ribbed V belt Clean retension X X Replace X X Air filter all filter components Replace Only if there is a noticeable loss of engine power Cooling air intake slits Clean X Cylinder fins Have them cleaned by a specialist dealer 1 X Spark arresting screen2 in muffler test check X Clean or replace X Wate...

Page 19: ...formation sticker Replace X 1 STIHL recommends STIHL servicing dealers 2 present only in some countries The following maintenance intervals apply in normal operating conditions The specified intervals must be shortened accordingly when working for longer than normal or under difficult cutting conditions extensive dust etc before starting work at the end of work and or daily Whenever tank is refill...

Page 20: ...ler cap 8 Water attachment 9 Tensioning nut 10 Adjusting lever 11 Cutting wheel 12 Front thrust washer 13 Deflector 14 Muffler 15 Spark arresting screen present only in some countries 16 Handlebar 17 Decompression valve 18 Cap for spark plug boot 19 Choke lever 20 Fuel pump 21 Filter cover Serial number Main Parts 7 6 3 2 5 8 10 9 11 4 1 19 15 16 13 20 21 17 18 14 370BA046 KN ...

Page 21: ...Working safely with cut off machines English 19 ...

Page 22: ...Working safely with cut off machines English 20 ...

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Page 24: ...www stihl com 04571860121 0457 186 0121 0457 186 0121 englisch G ...