Technical Information · issue 44 of 2005
New Model FC 100 Power Edger
IssueTI 44/2005
Full text
Page 1 of 7
STIH)
Technical Information 44.2005
New Model FC 100 Power Edger – Series 4180
Contents
1. Technical Description
2. Specifications
3. Cutting Tool
4. Accessories
5. Service Accessories
6. Repairs
7. Spare Parts
The new STIHL FC 100 power edger with 4-MIX®
engine and curved drive tube further extends the
line of power edgers.
The engine has a displacement of 1.92 cu.in
(31.4 cm3) and a power output of 1.34 HP (1 kW).
The range of applications is the same as for models
FC 55 and FC 75.
TI_44_2005_30_01_01.fm englisch / English USA
)m~ge 2 Technical Information 44.2005
1. Technical Description 2.2 Ignition System
. 4-MIX®-engine – method of operation and Ignition module: with integral electronic
benefits are described in detail in TI 01.2002. speed governor
Spark plug
. All engine components are identical to those of
(resistor type): Bosch USR 7AC
the FS 100 RX brushcutter – see TI 49.2004.
The powerheads of the FS 110 and FC 100 Electrode gap: 0.028 in (0.7 mm)
differ only in that the FC 110 and FS 110 have a
magnesium die cast fan housing while a
polymer fan housing is used the FC 100 and
FS 100 RX.
2.3 Fuel System
. The control handle, left handle, drive tube and
The STIHL 4-MIX® engine features gasoline-oil
gearhead are the same as those on the FC 75.
lubrication and must be run on a fuel mixture of
gasoline and engine oil.
2.3.1 Fuel Tank Capacity
2. Specifications 18.0 fl oz (530 cm3)
2.1 Powerhead
2.3.2 Carburetor
STIHL single cylinder 4-MIX® engine with gas-oil
All position diaphragm carburetor with integral fuel
lubrication
pump.
Displacement: 1.92 cu in (31.4 cm3)
Bore: 1.57 in (40 mm)
Stroke: 0.98 in (25 mm) Basic setting without limiter caps
Engine power to 1.34 bhp (1.0 kW) Low speed screw L Open 3 turns
ISO 8893: at 7,000 rpm
Torque: 12.8 lbf in (1.45 Nm) at High speed screw H Open 2 turns
5,500 rpm
Idle speed: 2,800 rpm
Rewind starter: Single pawl system Standard setting with limiter caps
Starter rope: 0.12 in dia, 33 1/2 in long Low speed screw L: Open 3/4 turn
(3 mm dia, 850 mm long) (no further than stop)
Clutch engages at: 3,700 rpm
High speed screw H: Open 3/4 turn
Cut-off speed
(no further than stop)
(electronic speed
governor): 10,500 +/- 200 rpm
Valve clearance
- Inlet: 0.004 in-0.015 in
(0.1 mm-0.4 mm)
- Exhaust: 0.004 in-0.015 in
(0.1 mm-0.4 mm)
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Technical Information 44.2005 Page 3
2.4 Gearhead
Gear ratio: 1:1.235
Lubricant: STIHL gear lubricant for
brushcutters
Initial filling: 0.52 oz (15 g)
Re-lubrication: up to 0.18 oz (5 g)
2.5 Weight
with blade and 13.7 lbs (6.2 kg)
deflector:
3. Cutting Tool
3.1 Blades
Part Name Part No.
Thickness 3/32 in (2.4 mm)
Length 7 7/8 in (200 mm) 4133 713 4101
Thickness 5/32 in (3,8 mm)
Length 7 7/8 in (200 mm) 4133 713 4102 Special accessory
3.2 Aids
Part Name Part No. Application
STIHL balancer 5910 850 2600 Balancing the blade
4. Accessories
Part Name Part No. Application
Starter rope:
- 0.12 in dia., 33 1/2 in long
(3 mm dia., 850 mm long) 0000 195 8203 Rewind starter
Skirt 4137 716 3200 Deflector
Deflector 4137 713 4503 Gearbox
Depth wheel 4133 712 1000 Gearbox
STIHL gear lubricant for brushcutters Gearbox
- 3 oz (80 g) tube 0781 120 1117
- 8 oz (225 g) tube 0781 120 1118
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)m~ge 4 Technical Information 44.2005
5. Service Accessories
5.1 Special Servicing Tools
Part Name Part No. Application
Extension 4180 893 4400 Removing clutch drum and AV element in conjunction
with puller 5910 890 4400
Removing tool 5910 890 4602 Pressing out clutch drum
Installing tool 5910 890 2206 Installing hookless snap rings (piston boss)
Sleeve 5910 893 1703 Installing hookless snap rings (piston boss) in
conjunction with installing tool 5910 890 2208
Locking screw,
- previous: 4180 893 6400
- new: 4282 890 2700 Blocking the crankshaft
Existing special servicing tools are listed in the following service manuals:
Assembly Service Manual
Powerhead, control handle STIHL Series 4180 Powerhead (basic engine)
Control handle, handle, drive tube STIHL Series 4137 Components, FC 75
Gearhead and deflector STIHL CombiTools
5.2 Servicing Aids l
Part Name Part No. Application
Valve clearance adjusting kit 4180 007 1005 Checking, adjusting valve clearance
Set of gaskets 4180 007 1006 Engine
Carburetor parts kit 4180 007 1060 Carburetor
Lubricating grease,
8 oz (225 g) tube 0781 120 1111 Oil seals
Dirko HT sealant, red Sealing engine pan/cylinder, cylinder/cam gear
3.2 oz (90 g) tube 0783 830 2000 cover
Electrical repair kit 5910 007 1050 Electrical system
Set of screws 5910 007 1060
Standard commercial, solvent-
based degreasant without
chlorinated or halogenated
hydrocarbons Cleaning the crankshaft stub
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Technical Information 44.2005 Page 5
6. Repairs 6.4 Clutch Drum
If the machine is started up in the course of repairs, . Remove the fan housing
it is essential to observe all country-specific safety
regulations and the safety precautions outlined in
the instruction manual. 1
6.1 Checking Valve Clearance
Check and adjust valve clearance only when the
engine is cold, using the “Valve clearance adjusting
kit” 4180 007 1005 consisting of feeler gauge,
249TI020 KN
sealing ring and gasket.
. Remove the circlip (1).
6.2 Leakage Test
Leaks are caused by defective oil seals and gaskets
or cracks in castings. Such faults may allow
supplementary air to enter the engine and change
the air-fuel-oil mixture.
This can upset the lubricating process or cause it to 2
fail.
The engine can be tested for leaks with the
carburetor/crankcase tester and vacuum pump.
Carry out the leakage test as for models FC 110 and
FS 110 (see TI 03.2003).
249TI021 KN
6.3 Carburetor . Support the ball bearing at the clutch drum side
The basic and standard settings of the carburetor with removing tool (2) 5910 890 4602.
are the same as for the FS 110 (see 2.3.3). . Turn over the removing tool together with the
fan housing – fan housing rests on the removing
tool.
3
249TI022 KN
. Insert extension (3) 4180 893 4400 in the
square hole and press the clutch drum out of the
bearing seat.
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)m~ge 6 Technical Information 44.2005
. Take out the screw (4).
5 . Use a suitable arbor to press the ball bearing (5)
out of its seat.
. Press home the new ball bearing with press
arbor 4119 893 7200.
. Tighten the screw (4) to 4 Nm (3 ft-lbs).
. Reassemble in the reverse sequence.
249TI023 KN
4
6.5 Tightening Torques
The tightening torques are listed in the following service manuals:
Assembly Service Manual
Powerhead, control handle STIHL Series 4180 Powerhead (basic engine)
Control handle, handle, drive tube STIHL Series 4137 Components, FC 75
Gearhead and deflector STIHL CombiTools
6.6 Service Note
The following service manuals are available for servicing and repairing the STIHL FC 100:
Assembly Service Manual
Powerhead STIHL Service Training System “Diagnosis”
Powerhead, control handle STIHL Series 4180 Powerhead (basic engine)
Control handle, handle, drive tube STIHL Series 4137 Components, FC 75
Gearhead and deflector STIHL CombiTools
6.7 Serial Number
The serial number is located on the side of the
engine pan as shown in the illustration.
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Technical Information 44.2005 Page 7
6.8 Repair Times
The specified repair times assume that the work is Diagnostic time and time for test run
Repair Code
performed by trained personnel in a properly is included where applicable.
equipped service workshop. FC 100
This table for the FC 100 can be added to the STIHL in in
Repair Description
repair times table. min. hrs.
1 Replace short block. 50 0.8
2 Replace crankcase, crankcase gasket
or re-seal carnkcase. Includes air leak
test. 50 0.8
7. Spare Parts 3 Replace crankshaft main bearing(s).
Includes air leak test. 50 0.8
A printed illustrated parts list is available for this new
4 Replace crankshaft seal(s). Includes
machine. The STIHL FC 100 is combined with the air leak test. 70 1.1
FC 110 in one parts list.
5 Perform engine air leak test. 25 0.4
The new machine is included in the STIHL Service 6 Replace cylinder and/or piston.
Communication Systems (MediaCat CD-ROM) from Includes air leak test and diagnosis
issue 01/2005. and repair of component(s) that
caused failure. 100 1.7
7 Replace ignition module or flywheel.
Includes stop curcuit test. 25 0.4
8 Replace fuel tank line, tank vent, or
fuel pick-up body. 10 0.2
9 Replace intake manifold or intake
flange. 20 0.3
10 Repair or replace carburator. Includes
fuel system testing. 30 0.5
11 Repair throttle control. 25 0.4
12 Repair or replace rewind starter. 15 0.2
13 Repair or replace clutch, clutch shoes
or clutch springs. 20 0.3
14 Replace muffler 15 0.2
15 Replace air filter or filter housing. 10 0.2
16 Repair or replace stop switch. Includes
circuit testing. 20 0.3
17 Replace clutch housing. 20 0.3
18 Replace drive shaft and/or drive tube. 20 0.3
19 Repair bearing liner in drive tube. --- ---
20 Replace deflector. 10 0.2
21 Replace gearbox assembly. 15 0.2
22 Replace fuel tank. 15 0.2
23 Adjust valve clearance. 10 0.2
24 Replace gears/bearings in gearbox. 25 0.4
40 Miscellaneous repairs and other
repairs not listed 15 0.2
45 Handling allowance only-no labor 5 0.1
50 No labor. 0 0
© Andreas Stihl AG & Co. KG, 2005 Technical Documentation
D1/MTK-na
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Extracted from the manufacturer's 2012 service catalogue. Most of these PDFs embed fonts with a shifted character map, so the text above was recovered rather than copied — read it as a faithful but imperfect transcription, and treat the page image above each block as the authority where the two disagree — the figures exist only there, because they are vector drawings that text extraction cannot keep.