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STIH)

Technical Information

TI_40_2010_13_01_02.fm

englisch / English

New clearing saw STIHL FS 460 C

– Series 4147

Contents

1. Overview
2. STIHL M-Tronic
3. Technical description
4. Specifications
5. Cutting attachments
6. Accessories
7. Service accessories
8. Spare parts
9. Servicing

FS 460 C

FS 460 C K

40.2010

Summary of Contents for FS 460 C

Page 1: ... englisch English New clearing saw STIHL FS 460 C Series 4147 Contents 1 Overview 2 STIHL M Tronic 3 Technical description 4 Specifications 5 Cutting attachments 6 Accessories 7 Service accessories 8 Spare parts 9 Servicing FS 460 C FS 460 C K 40 2010 ...

Page 2: ... hedges shredding and sawing The clearing saw STIHL FS 460 C with a short drive tube is designed especially for use in forests 1 Overview The new clearing saw STIHL FS 460 C is available in various versions with varying features 1 1 Versions with mowing handlebars Versions with varying drive tube lengths see b 4 4 Drive tube diameter 28 mm New maintenance free gearbox Gearhead angle 35 see b 3 6 1...

Page 3: ...he settings from the last time the machine was used Thus if the machine is restarted under the same general conditions the full power of the engine is available immediately According to the system of product names for convenience features C versions machines with M Tronic are denoted with an M 2 1 Functional description 2 2 Components Control unit 1 Control center for the optimum adjustment of fue...

Page 4: ...he ignition timing Changing the fuel flow only influences the engine speed after 5 to 10 revolutions of the crankshaft For this reason to establish steady idling the ignition timing is adjusted first and then the fuel flow The fuel flow control is designed so that the target idle speed is attained with the target ignition timing 2 2 3 Acceleration If the control unit detects that the engine is bei...

Page 5: ... part throttle and full throttle as well as taking into account the external conditions e g use at varying altitudes changing temperatures or fuel quality caloric value energy content of the fuel alcohol content knock resistance Memory function electronic memory M Tronic remembers for an unlimited period of time the settings from the last time the clearing saw was used and retrieves them the next ...

Page 6: ...be started If the stop switch is actuated the ignition is switched off Once the engine comes to a standstill the ignition is automatically switched on again 3 4 Choke lever To start the engine the choke lever 1 must be pressed in at the edge arrows and rotated to the position Once the engine has been started and the throttle trigger lockout and throttle trigger have been pressed the choke lever au...

Page 7: ...ter 2 for summer or winter operation Key to symbols Symbol Sun summer operation Symbol Snowflake winter operation Unscrew and remove screw 3 on shutter Remove shutter 2 from the shroud Rotate shutter 2 from summer position to winter position and reinsert Screw the screw 3 through the shutter into the shroud 3 5 2 At temperatures between 10 C and 20 C Within this temperature range the machine can n...

Page 8: ...hine 4 Cover plate for partially covering the slits in the starter housing 5 Filter insert made of cloth and plastic for the air filter O ring for the filler cap Information sheet describing conversion of the machine After installation of the cover plate kit Set shutter 2 to winter operation if the chain saw is extremely cold frost formation after starting bring the engine up to operating temperat...

Page 9: ...sion with a short drive tube and sawing handlebars Gearhead angle 25 3 7 New deflectors and limit stops 3 7 1 Versions with standard drive tube and long drive tube see b 4 4 The optimal deflector is available for each application 1 Deflector for mowing heads Diameter of cutting circle 480 mm 2 Deflector for grass cutting blades and brush knives 3 Deflector for shredder blade 4 Limit stop 200 mm fo...

Page 10: ...ive tube In addition to rubber buffers and annular buffers as anti vibration elements in the area of the engine steel springs are used as anti vibration elements in the area of the handlebars The 4 point anti vibration system ensures a very low vibration level optimal control and reduced operating effort 3 9 New full harnesses 3 9 1 Universal harness ADVANCE Functional modern shape outstanding han...

Page 11: ...ly and the ways in which it can be adjusted 4 Specifications 4 1 Engine 4 2 Fuel system The STIHL one cylinder two stroke engine uses mixture lubrication and requires a mixture of gasoline and engine oil 4 2 1 Fuel 4 2 2 Fuel tank 317TI019 KN STIHL single cylinder two stroke engine Displacement 45 6 cm3 Bore 44 mm Stroke 30 mm Engine power to ISO 8893 2 2 kW Speed at max output 9500 rpm Max torque...

Page 12: ...ical Agents Directive Vibration 2002 44 EC see www stihl com vib All position diaphragm carburetor with integral fuel pump No manual carburetor adjustment required see b 2 2 6 Service work on carburetor see b 9 9 Ignition module with integrated electronic speed limiter Spark plug suppressed NGK CMR6H Electrode gap 0 5 mm Handle version Mowing handlebars 1 2 Sawing handlebars 3 Drive tube diameter ...

Page 13: ... 1 Mowing head STIHL SuperCut 40 2 4003 710 2140 2 Mowing head STIHL AutoCut 40 2 4003 710 2125 3 Mowing head STIHL AutoCut 40 4 4005 710 2100 4 Mowing head STIHL TrimCut 41 2 4003 710 2104 5 Mowing head STIHL PolyCut 41 3 4003 710 2113 6 Deflector only for mowing heads 4147 710 8100 4 1 5 6 3 2 5903TI003 KN Designation Part number 7 Grass cutting blade 230 4 4000 713 3801 8 Grass cutting blade 25...

Page 14: ... 48 scratcher tooth 4000 713 4205 19 Circular saw blade 225 24 chisel tooth 4110 713 4204 4000 713 4207 20 Circular saw blade 225 36 carbide tipped 4000 713 4211 21 Limit stop 225 4147 710 8201 15 16 17 18 19 20 21 5903TI006 KN Designation Part number 1 Circular saw blade 200 44 scratcher tooth 4000 713 4200 2 Circular saw blade 200 22 chisel tooth 4119 713 4200 3 Limit stop 200 4147 710 8210 4 Ci...

Page 15: ... g 0781 120 1118 STIHL special lubricant 0781 417 1315 Coating the rewind spring in the starter Cover plate kit 4147 007 1001 Under extreme winter conditions Full harnesses Universal harness ADVANCE 4147 710 9002 Universal harness ADVANCE XXL 4147 710 9004 Forestry harness ADVANCE 4147 710 9003 Forestry harness ADVANCE XXL 4147 710 9009 Chest strap 0000 790 7700 for universal harness ADVANCE Tool ...

Page 16: ...Setting gauge 0000 890 6400 Setting the air gap between ignition module and flywheel 2 Press sleeve 4147 893 2400 Press in oil seal 3 Flange 5910 850 4201 Leak testing 4 Puller 5910 890 4408 Removing the drive pinion of the gearbox 5 Sleeve 5910 893 1709 Mounting the hookless snap ring 6 Ring 5910 893 7005 Place on the clutch housing to protect the guide sleeves 7 Puller 5910 890 4503 Removing the...

Page 17: ...u to take the correct step at the correct time Designation Part number Use Set of gaskets 4147 007 1600 Engine Set of carburetor parts 4147 007 1700 Carburetor Grease 225 g tube 0781 120 1111 Lubricating oil seals sliding and bearing points Press fluid OH 723 0781 957 9000 STIHL gear lubricant for brushcutters Lubricating the gearbox and lubrication between the rope rotor and starter post Tube 80 ...

Page 18: ...lug spark plug boot ignition spark Ignition spark present Mechanically check start detection b 9 6 1 Clean switch gear replace if necessary Electrically check start detection b 9 6 2 yes Mechanically OK Are target values attained Look for a fault in the fuel path check engine for leaks Replace switch gear if necessary no yes no no Engine does not start Is it possible to start the engine yes yes no...

Page 19: ...t detection b 9 6 1 Clean switch gear replace if necessary Electrically check start detection b 9 6 2 yes Mechanically OK Are target values attained Look for a fault in the fuel path inlet needle lever spring membrane check engine for leaks Replace switch gear if necessary yes no no Engine does not start in position engine floods The flooded engine can be started in position F yes no ...

Page 20: ...ault in the fuel path check engine for leaks Check air filter replace if necessary Troubleshooting completed Cut off speed 12300 rpm yes no Engine speed drops under load low power Remove cutting attachment all mounting hardware and thrust plate Let the machine run three to four times for approx 30 s in the cut off range ...

Page 21: ...ver to position Troubleshooting completed Check the flywheel two pairs of poles Combination OK Check air gap control unit flywheel Establish correct control unit flywheel combination yes Air gap OK Check ignition system according to Flow chart ignition system troubleshooting see Service Manual Set correct air gap no No ignition spark yes no yes ...

Page 22: ...ion OK Tighten screws bolts and push on boot all the way replace switch gear if necessary yes no no Engine stops suddenly no yes Mechanically check start detection b 9 6 1 Clean switch gear replace if necessary Electrically check start detection b 9 6 2 Mechanically OK Replace switch gear if necessary yes no Check solenoid valve b 9 5 Are target values attained Replace switch gear and or carbureto...

Page 23: ...e Let the machine run three to four times for approx 30 s in the cut off range Cut off speed 12300 rpm Cut off speed lower than 12300 rpm Look for a fault in the fuel path check engine for leaks no Troubleshooting completed yes Check screw connection of switch gear Connection OK Tighten screws bolts and push on boot all the way replace switch gear if necessary no yes Check start detection b 9 6 Re...

Page 24: ...alve If communication between control unit and solenoid valve is interrupted or faulty the control unit does not initiate an ignition spark Thus if there is no ignition spark first check the plug connections and wiring harness between control device and solenoid 9 3 1 Checking screwed connections Screws 1 tight Leads 2 completely and firmly in the cable lugs 3 9 3 2 Checking plug connection on sol...

Page 25: ... test lead Target value between 28 and 42 ohms If the target value is not attained check electrical leads for interruption short to voltage and short to ground see b 9 7 3 9 6 Checking the start detection system Remove the filter cover Remove starter Remove shroud 9 6 1 Mechanical check Set choke lever to position the cam 1 must actuate the pin 2 of the micro switch 3 9 6 2 Electrical check Discon...

Page 26: ...lue 0 3 volts to 0 7 volts direction of flow Choke lever in position F reverse biased measurement Target value 1 2 volts to infinity observe display e g display O L or 1 reverse bias If target values are not attained check wiring harness see b 9 7 Replace micro switch switch gear if necessary 9 7 Checking the wiring harness 9 7 1 Checking the ground connection Move choke lever to position F Measur...

Page 27: ...ble Target value 10 ohms Measure the resistance between black lead 5 at the plug of the solenoid and red plug 6 of the diagnostic cable Target value 10 ohms 9 8 Cable routing 9 8 1 Cable routing at the bushing Leads between diagnostic jack and switch gear Insert the thin black lead 1 between diagnostic jack 2 and switch gear 3 in the guides Insert the thin red lead 4 between diagnostic jack 2 and ...

Page 28: ...d 3 from the diagnostic jack 4 in the guide Insert the red lead 5 from the diagnostic jack 4 in the guide Insert the red lead 6 from the plug 2 of the solenoid in the guide 9 8 3 Cable routing between switch gear and solenoid Install bushing with switch gear set choke lever to position F Insert plug 1 at solenoid as far as it will go Insert black lead 2 and red lead 3 between switch gear and solen...

Page 29: ...de crimped side of the cable lug facing down Insert blue lead 9 control unit in the guide crimped side of the cable lug facing down Tighten screws 10 9 9 Service work on carburetor Position of the special bolt 1 must not be changed because otherwise the factory default setting will no longer be correct and this can lead to impaired engine performance Solenoid valve 2 must not be dismantled 9 10 Se...

Page 30: ...410 C FS 460 C 9 14 Serial number The serial number is on the bottom of the machine 9 15 Repair times The specified repair times apply for trained and qualified personnel as well as for properly equipped repair shops The repair times are specified in minutes Trial run under load ANDREAS STIHL AG Co KG 2010 Technical Documentation D1 MTK fr 317TI029 KN Repair activity FS 460 C 1 Engine mounting and...

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