Stihl Brush cutter FS75-FS80 Service Manual and FS 80 FS 75, 80, 80 R, 85, 85 R, 85 T, 85 RX Spare Parts List manual
Stihl FS75-FS80 Brushcutters & FS 80 FS 75, 80, 80 R, 85, 85 R, 85 T, 85 RX Parts Workshop Service Repair Manual
This Repair Manual contains a detailed description of all the typical repair work required for these series of power tools. Repairs to be undertaken on standard parts and assemblies which are used in several STIHL power tool series are described in separate repair manuals. Attention is drawn to these instructions at the relevant points in this manual. Since the brushcutters FS 75, FS 80, FS 85, FC 75 and the hedge trimmer HL 75 are almost identical, the descriptions and servicing procedures in this manual generally apply to all five models. Differences are described in detail. The illustrated spare parts lists should also be consulted when carrying out repairs, for they show the installed position and sequence of assembly for the individual parts. The latest edition of the respective parts lists should always be used when determining the part numbers of the required replacement parts. Microfilms are more up-todate than printed spare parts lists!
Fs 80 Stihl Manual Parts
FS75-FS80 Service Manual
While Stihl makes every effort to factory pre-set the machinery it produces, different environmental conditions may dictate adjusting the unit's idling speed and power output. If your Stihl FS 80 trimmer does not seem to be performing properly, you may need to adjust the carburetor settings. Portions of this manual may not be applicable to products sold in other countries. If you are in a country other than the U.S. Or purchased your product in a country other than the U.S., please contact your STIHL Distributor or Dealer in that country to obtain the appropriate Instruction Manual.
This Service Repair Manual Covers:
FS75-FS80 Service Manual 1
Contents 1
1. Introduction 2
2. Specifications 3
2.1 Engine 3
2.2 Fuel system 3
2.3 Ignition system 4
2.4 Gearbox* 4
2.5 Cutting attachment* 5
2.6 Special accessories 6
2.6.1 For the user 6
2.6.2 For service 6
2.7 Tightening torques 7
3. Clutch 9
3.1 Disassembly 9
3.2 Installation 10
4. Engine 11
4.1 Muffler/spark arrester screen 11
4.2 Leakage testing 11
4.2.1 Preparations 12
4.2.2 Pressuretest 12
4.2.3 Vacuum test 13
4.3 Oil seals 14
4.4 Exposing the cylinder/spacer flange 15
4.5 Cylinder and piston 16
4.5.1 Removal 16
4.5.2 Installation 16
4.6 Piston rings 18
4.7 Crankcase 18
4.7.1 Removing the crankshaft 18
4.7.2 Installing the crankshaft 20
5. Ignition system 23
5.1 Spark plug terminal 23
5.2 Ignition module 24
5.2.1 Ignition timing 24
5.2.2 Removal and installation 25
5.3 Flywheel 26
6. Rewind starter 27
6.1 General 27
6.2 Starter cover 27
6.3 Rewind spring 28
6.3.1 Replacement 28
6.3.2 Tensioning 28
6.4 Starter rope (Elasto Start) 29
6.5 Starter grip (Elasto Start) 30
6.6 Starter carrier/pawl 30
7. Throttle control 31
7.1 Throttle trigger/interlock lever 31
7.2 Throttle cable with one short-circuit wire 32
7.3 Contact spring/detent spring in control handle 33
7.4 Throttle trigger/interlock lever 33
7.5 Throttle cable with two short-circui twires 34
7.6 Adjusting the throttle cable 34
8. Fuel System 35
8.1 Airfilter 35
8.2 Carburetor 35
8.2.1 Leakagetesting 35
8.2.2 Removal and installation 36
8.2.3 Adjustment (two adjusting screws) 37
8.2.4 Adjustment (one adjusting screw) 38
8.3 Tank vent 39
8.4 Pickup body 39
8.5 Fuel tank/hoses 40
9. AV system 41
9.1 Repair 41
10. Shaft 43
10.1 Cowhorn handle 43
10.2 Looped handle 43
10.3 Drive shaft/insulating tube 45
10.4 Protective tube 46
11. Cutting tool drive 47
11.1 Bearing housing (FS 75) 47
11.2 Gearbox (FS 80, 85) 47
11.3 Gearbox (FC 75) 48
11.4 Clutch drum 50
12. Cutting device (HL75) 51
12.1 Gearbox 51
12.2 Cutting blade 51
12.3 Gear wheel 53
13. Special service tools and aids 55
13.1 Special tools 55
13.2 Servicing aids 57
FS80 – 4112 58
FS80 – 4137 86
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File Format: PDF
Compatible: All Versions of Windows & Mac
Stihl Fs 80 Av Electronic Manual
Stihl Repair Manual
Language: English