Technical Information · issue 31 of 2003
Technical description; Specifications; Service accessories; Spare parts; Repairs
IssueTI 31/2003
Full text
Page 1 of 3
STIH)
Technical Information
31.2003
Hedge cutters STIHL HL 100, HL 100 K – Series 4280
Contents
1.
2.
Technical description
Specifications
3. Service accessories
4. Spare parts
5. Repairs
HL 100 K (0°) HL 100 K (0°...90°) HL 100 (0°...90°)
The new hedge cutter models STIHL HL 100 and The possible uses and applications for the new
HL 100 K with 4-MIX engine enlarge the range of models are the same as for the hedge cutter models
STIHL power tools for landscape and garden care. STIHL HL 75 and HL 75 K.
TI_31_2003_02_01_01.fm english / USA
)m~ge 2 Technical Information 31.2003
1. Technical description 1.4 Shaft
The hedge cutters are driven by the new 4-MIX . Drive tube with rigid shaft running in the flexible
engine with patented STIHL lubrication system. liner
The control handle and loop handle, shaft, angled . Additional handle hose on the shaft
gear unit, cutter gearbox and cutter have been
adopted from the hedge cutter models STIHL HL 75
and HL 75 K.
1.1 STIHL 4-MIX engine
The 4-MIX engine is lubricated by a mixture of
gasoline and two-cycle engine oil.
This new concept yields several advantages:
. Familiar fuel mix
. All-position operation 2. Specifications
. Reduced emissions
2.1 Power unit
. Good acceleration
STIHL single-cylinder four-stroke engine with
. Compact construction - attractive design
lubrication by the fuel/oil mixture
. Favourable power-to-weight ratio fo
Displacement: 1.9 cu. in. (31.4 cm3)
. Simple maintenance - easy to service Bore: 1.575 in. (40 mm)
. More pleasant engine sound Stroke: 0.984 in. (25 mm)
Engine power to
. Lower vibrations
ISO 8893: 1.34 hp (1 kW) at
. Reduced cranking effort n = 7000 rpm
Idle speed: 2800 rpm
Rewind starter: Single pawl system
1.2 Filler cap Starter rope: 3.0 mm diameter,
. The filler cap with hinged clip is designed for 33.5 in. (850 mm) long
quick and simple opening and closing. Clutch engages at: 3700 rpm
Cut-off speed: 10,500 +/– 200 rpm
1.3 Operating elements Valve clearance
. Ergonomically designed control handle with Inlet: .004 in. (0.10 mm)
comfortable non-slip grip and integrated throttle Exhaust: .004 in. (0.10 mm)
cable control
. Individually adjustable loop handle with barrier 2.2 Ignition system
bar Ignition module: with integrated electronic
speed governor
Spark plug Bosch USR 7AC
(suppressed):
Electrode gap: .028 in (0,7 mm)
Cut-off speed
(electronic speed
governor): 10,500 +/– 200 rpm
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Technical Information 31.2003 Page 3
2.3 Fuel system 2.5 Length (with cutting attachment)
The STIHL 4-MIX engine is lubricated by the HL 100 98.4 in (250 cm)
mixture and must be operated with a mixture of HL 100 K 82.7 in (210 cm)
gasoline and two-cycle engine oil.
Fuel mix: 2.6 Weight (without fuel, otherwise complete)
Brand-name mid-grade gasoline (89 octane HL 100 (0°-90°): 15.8 lbs (7,2 kg)
minimum) and branded two-stroke engine oil.
HL 100 K (0°): 14.5 lbs (6,6 kg)
Mix ratio: HL 100 K (0°-90°): 15.2 lbs (6,9 kg)
1:50 with STIHL 1:50 two-stroke engine oil
Fuel tank capacity: 18.0 fl.oz (0,53 l) 3. Service accessories
Carburetor C1Q-S88:
The special tools required are listed in the repair
All-position diaphragm carburetor with limiter caps manual "STIHL Basic Engine 4180".
and integrated fuel pump. The caps limit the
adjusting range of the H and L screws to 270°
4. Spare parts
High speed screw H
Standard setting with cap: Open max. The list of spare parts for the new hedge cutter
3/4 turn (as far models HL 100 and HL 100 K will be available when
as the stop) they are launched on the market.
During repairs
Standard setting without cap: Open 2 turns
5. Repairs
Low speed screw L Specific national safety regulations and the
Standard setting with cap: Open max. safety instructions in the user manual must be
3/4 turn (as far observed if the machine has to be started.
as the stop)
During repairs 5.1 Service note
Standard setting without cap: Open 3 turns
For service and repair of the power unit, refer to the
repair manual for the STIHL Basic Engine 4180 and
the STIHL Service Training System "Diagnosis".
2.4 Cutting attachment
The HL 100 K models are available with either a 0° 5.2 Tightening torques
cutting attachment, or 0°–90° cutting attachment. The tightening torques for the power unit, shaft and
The HL 100 model is available with a 0°–90° cutting
cutting attachment are listed in the respective repair
attachment. manuals (Basic Engine 4180 and HL 75).
Transmission ratio: 1:4.947
5.3 Repair times
Cutters: Cut in both directions
Bar length: 20“ (50 cm) The repair times for the power unit (similar to
Sharpening angle: 45° to the cutter FS 110), shaft and cutting attachment (similar to
plane HL 75) are listed in the table of repair times.
Lubrication (cutter gear): STIHL grease for
hedge cutters
Initial quantity: 0.95 oz (27 g)
© ANDREAS STIHL AG & Co. KG, 2003 Technical Documentation
D1/MTK-sc 7911
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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.