Stihl FS 460 C Technical Information

Stihl FS 460 C Technical Information

Clearing saw, series 4147
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Technical Information
New clearing saw STIHL FS 460 C
Contents
FS 460 C
TI_40_2010_13_01_02.fm
– Series 4147
FS 460 C K
STIH)
40.2010
englisch / English

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Summary of Contents for Stihl FS 460 C

  • Page 1 STIH) Technical Information 40.2010 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...
  • Page 2: Overview

    Page 2 Technical Information 40.2010 The new clearing saw STIHL FS 460 C is the Overview newest member of the clearing saw line and, in The new clearing saw STIHL FS 460 C is available future, will be the follow-up model to the in various versions with varying features.
  • Page 3: Stihl M-Tronic

    Technical Information 40.2010 Page 3 STIHL M-Tronic Functional description The FS 460 C is the first STIHL clearing saw to be equipped with the innovative M-Tronic fully Components electronic engine management system. It regulates the ignition timing and electronically adjusts the fuel flow, taking external conditions into account.
  • Page 4 Page 4 Technical Information 40.2010 2.2.1 Starting 2.2.3 Acceleration Set the choke lever to } (Start) – choke shutter is If the control unit detects that the engine is being closed. Simultaneously, the micro switch on the accelerated, the ignition timing is set earlier and the switching device is closed.
  • Page 5: Technical Description

    Very good acceleration The FS 460 C accelerates spontaneously and quickly by virtue of electronic ignition timing control and fuel flow adjustment. No manual carburetor adjustments...
  • Page 6 Page 6 Technical Information 40.2010 Operating elements 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 automatically returns to the position Run F .
  • Page 7 Technical Information 40.2010 Page 7 Summer and winter operation 3.5.1 At temperatures below +10 °C Pre-heat carburetor Moving a shutter causes heated air to be drawn in from around the cylinder and mixed with cold air in order to prevent carburetor icing. Unscrew and remove screw (3) on shutter Remove shutter (2) from the shroud Rotate shutter (2) from summer position to...
  • Page 8 Page 8 Technical Information 40.2010 3.5.3 At temperatures above +20 °C 3.5.5 Cover plate kit The "cover plate kit" contains the following parts for Always return the shutter (2) to summer position covering the machine: Do not use the machine in winter operation at Cover plate for partially covering the slits in the temperatures above +20 °C, otherwise there is starter housing...
  • Page 9 4.4 long drive tube, see b 4.4 A new, maintenance-free gearbox with a gearhead angle of 35° is used for the series FS 460 C in the version with a standard drive tube and long drive tube.
  • Page 10 Page 10 Technical Information 40.2010 3.7.2 Version with short drive tube, see b 4.4 New full harnesses 3.9.1 Universal harness ADVANCE Limit stop 200 mm for circular saw blades Limit stop 225 mm for circular saw blades The new limit stops are fastened with 3 screws secured against loss.
  • Page 11: Specifications

    Freely suspended leg panel – high freedom of movement – Low weight: 0.97 kg Fuel system The STIHL one-cylinder, two-stroke engine uses – Available in two sizes mixture lubrication and requires a mixture of gasoline and engine oil. The new forestry harness ADVANCE includes an...
  • Page 12: Cutting Attachments

    Service work on carburetor see b 9.9 1) 2) Max. output shaft speed 8450 rpm (tool): 9690 rpm Lubricant: STIHL gear lubricant Ignition system for brushcutters Ignition module with integrated electronic speed Fill quantity: 9.8 g limiter Top-up quantity: Spark plug (suppressed):...
  • Page 13 Deflector for grass cutting blades and brush knives 4147 710 8101 Designation Part number Full harness must be used. Mowing head STIHL SuperCut 40-2 4003 710 2140 Mowing head 5.1.3 Shredder blade and deflector STIHL AutoCut 40-2 4003 710 2125...
  • Page 14 Page 14 Technical Information 40.2010 5.1.4 Circular saw blades and limit stop Version with short drive tube, see b 4.4 5.2.1 Circular saw blades and limit stop Designation Part number Circular saw blade 200-44, scratcher tooth 4000 713 4200 Designation Part number Circular saw blade 200-22, chisel tooth...
  • Page 15: Accessories

    Technical Information 40.2010 Page 15 Accessories Designation Part number STIHL gear lubricant for brushcutters Lubrication between rope rotor and starter post – Tube 80 g 0781 120 1117 – Tube 225 g 0781 120 1118 STIHL special lubricant 0781 417 1315...
  • Page 16: Service Accessories

    Removing the flywheel and the starter-side half of the crankcase Existing special tools The existing special tools are listed in the Service Manual for STIHL FS 240 C, FS 260 C, FS 360 C, FS 410 C, FS 460 C. TI_40_2010_13_01_02.fm...
  • Page 17: Spare Parts

    Spare parts The spare parts lists will be available in time for the market launch and are already contained on the 03/2010 edition of the STIHL Service Communication System DVD. Servicing The specific national safety regulations and the...
  • Page 18: Technical Information

    Page 18 Technical Information 40.2010 9.1.1 Engine does not start Engine does not start Is it possible to start the Move choke lever to position } Troubleshooting completed engine? Check ignition system according to "Flow chart ignition system troubleshooting“, see Service Manual Check ignition Ignition spark Is it possible to start...
  • Page 19 Technical Information 40.2010 Page 19 9.1.2 Engine does not start in position } Engine does not start in position } – engine floods. The flooded engine can be started in position F Is it possible to start Troubleshooting completed the engine? Mechanically check start detection Clean switch gear replace if necessary...
  • Page 20 Page 20 Technical Information 40.2010 9.1.3 Engine speed drops under load – low power Engine speed drops under load – low power Check air filter, replace if necessary Remove cutting attachment, all mounting hardware and thrust plate. Let the machine run three to four times for approx.
  • Page 21 Technical Information 40.2010 Page 21 9.1.4 Ignition – no ignition spark No ignition spark Is it possible to start Move choke lever to position } Troubleshooting completed the engine? Establish correct control Check the flywheel Combination unit/flywheel combination (two pairs of poles?) Check air gap Air gap Set correct air gap...
  • Page 22 Page 22 Technical Information 40.2010 9.1.5 Engine stops suddenly Engine stops suddenly Machine Troubleshooting completed Check fuel path Service fuel Fuel path (fuel pick-up body, tank vent, fuel system hoses) Tighten screws/bolts and push on boot all the way, Connection Check screw connection of switch replace switch gear if necessary gear...
  • Page 23 Technical Information 40.2010 Page 23 9.1.6 Cut-off speed not reached Cut-off speed lower than 12300 rpm Check air filter and spark arrestor screen (present only in some countries) in muffler, replace if necessary Remove cutting attachment, all mounting hardware and thrust plate. Cut-off speed = Troubleshooting completed Let the machine run three to four times...
  • Page 24 Page 24 Technical Information 40.2010 Ohmmeter and plug connections 9.3.2 Checking plug connection on solenoid An ohmmeter (multimeter) with a diode tester is required for the following test procedures. To ensure a reliable contact: – Use appropriate test probes – Do not widen or bend plugs and connector tags –...
  • Page 25 Technical Information 40.2010 Page 25 Checking the solenoid valve Checking the start detection system Remove the filter cover Measure resistance Remove starter Move choke lever to position F Remove shroud Connect M-Tronic test lead 5910 840 0903 to the diagnostic jack, see b 9.4 9.6.1 Mechanical check Measure resistance between the plugs of the...
  • Page 26 Page 26 Technical Information 40.2010 Checking the wiring harness 9.7.1 Checking the ground connection Move choke lever to position F Unscrew bolts (1) Remove blue lead (2) and red lead (3) Move choke lever to position } Connect M-Tronic test lead 5910 840 0903 to the diagnostic jack, see b 9.4 Measure the resistance between lug (1) and screw (2) at the control unit.
  • Page 27 Technical Information 40.2010 Page 27 Measure the resistance between black lead (3) Measure the resistance between black lead (5) and red plug (4) of the diagnostic cable. at the plug of the solenoid and red plug (6) of the Target value: < 10 ohms diagnostic cable.
  • Page 28 Page 28 Technical Information 40.2010 Leads between diagnostic jack and control unit 9.8.3 Cable routing between switch gear and solenoid Install bushing with switch gear – set choke lever to position F Insert the thick black lead (5) between diagnostic jack (2) and switch gear (3) in the guides Insert plug (1) at solenoid as far as it will go Insert the thick red lead (6) between diagnostic...
  • Page 29 Technical Information 40.2010 Page 29 Service work on carburetor Insert black lead (4) (throttle cable) in the guide – connector tag and terminal socket on the black Position of the special bolt (1) must not be changed, lead are welded and cannot be separated because otherwise the factory default setting will no longer be correct and this can lead to impaired Fasten cable lugs and cable holder (1) to the...
  • Page 30: Servicing

    8 Fuel supply, tank vent, trial run The tightening torques are listed in the Service 9 Manifold or flange, pressure test Manual for STIHL FS 240 C, FS 260 C, FS 360 C, 10 Carburetor, test* FS 410 C, FS 460 C.

This manual is also suitable for:

Fs 460 c k

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