Technical Information · issue 22 of 2003
Technical Description; Specifications; Accessories for Users; Service Accessories; Assembly Instructions; Spare Parts; Repairs
Model HT 100, HT 101 Pole Pruners – Series 4182
IssueTI 22/2003
Full text
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STIH)
Technical Information
22.2003
Model HT 100, HT 101 Pole Pruners – Series 4182
Contents
1.
2.
Technical Description
Specifications
3. Accessories for Users
4. Service Accessories
5. Assembly Instructions
6. Spare Parts
7. Repairs
The new HT 100 and HT 101 pole pruners powered The new 4-MIX engine uses the patented STIHL
by the 4-MIX engine are further additions to the line system of lubrication.
of products for pruning and maintaining trees.
TI_22_2003_02_01_02.fm english / USA
)m~ge 2 Technical Information 22.2003
The HT 100 is equipped with a fixed boom, while the 1.4 Boom (Drive Tube)
HT 101 features a telescopic boom that can be HT 100 boom
adjusted to suit different applications.
. Boom with a rigid shaft supported in a liner.
Applications are exactly the same as those of model
HT 70 and HT 75 pole pruners. HT 101 telescopic boom
. Extendable boom with a shaft supported in a
liner and ball bearings.
1. Technical Description
2. Specifications
Engine and controls are the same as those of the
FS 110 R brushcutter (see TI 01.2002 and 2.1 Engine
TI 03.2003), with the exception of the fan housing –
see parts documentation. STIHL single cylinder four-cycle engine with
gas-oil lubrication
Booms, gearbox and cutting attachment are the
Displacement: 1.92 cu. in (31.4 cm3)
same as those of the HT 70 and HT 75 pole pruners.
Bore: 1.57 in (40 mm)
1.1 STIHL 4-MIX Engine Stroke: 0.98 in (25 mm)
Engine power to 1.34 HP (1 KW)
The 4-MIX engine features gas-oil lubrication.
ISO 8893: 7000 rpm
Engine lubrication is provided by a mixture of
gasoline and two-cycle engine oil. Idle speed: 2800 rpm
The benefits of this new concept are:
Rewind starter:
Starter rope:
Single pawl system
Ø 0.118 in, 33.5 in long
. Familiar fuel mix (Ø 3.0 mm,
. Operates in all positions 850 mm long)
Clutch engages at: 3700 rpm
. Reduced emissions
Max. output shaft speed
. Good acceleration (chain sprocket): 8290 rpm
. Compact construction – attractive design Valve clearance
. Favorable power-to-weight ratio Inlet: 0.004 in (0.10 mm)
Exhaust: 0.004 in (0.10 mm)
. Simple maintenance – service-friendly
. Lower vibrations 2.2 Ignition System
. Reduced cranking effort Ignition module: with integral electronic
speed governor
1.2 Tank Cap Spark plug (resistor NGK CMR 5 H
. The tank cap features a hinged clip designed for type):
quick and simple opening and closing. Electrode gap: 0.030 in (0.7 mm)
1.3 Controls
. Ergonomic control handle with comfortable grip 2.3 Fuel System
zone. The STIHL 4-MIX engine features gasoline-oil
. Control handle with integral throttle cable lubrication and must be run on a fuel mixture of
adjuster. gasoline and engine oil.
Fuel mix:
Mid-grade gasoline (unleaded) with a minimum
octane rating of 89 (R+M/2). Use only STIHL two-
cycle engine oil or an equivalent engine oil
formulated exclusively for two-cycle engines.
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Technical Information 22.2003 Page 3
Mix ratio: 2.5 Reach Length (with cutting attachment)
50:1 with STIHL two-cycle engine oil or equivalent
HT 100 approx. 7’ (215 cm)
engine oil for two-cycle engines.
HT 101 (boom approx. 8’10“ (270 cm)
compressed)
Carburetor: HT 101 (boom extended) approx. 12’9“ (390cm)
All position diaphragm carburetor with integral fuel
pump. 2.6 Weight
For carburetor adjustment see TI 03.2003.
without cutting attachment
Low speed screw L HT 100: 12.1 lbs (5.5 kg)
(standard setting with
HT 101: 16.1 lbs (7.3 kg)
limiter caps): Max. 3/4 turn
(as far as stop)
3. Accessories for Users
(Standard setting without
Full harness with sling
limiter caps - during
repairs): Open 3 turns A full harness (with sling) 4138 710 9000 is
available for these pole pruners. It is designed to
increase operator comfort and provide an
High speed screw H
(standard setting with ergonomic working position.
limiter caps): Max. 3/4 turn 30° angle drive (HT 100 only)
(Standard setting without
(as far as stop) fo
The 30° angle drive 4138 640 0201 further
enhances operator convenience in certain cutting
limiter caps - during
applications.
repairs): Open 2 turns
Note: not for use with HT 101, HT 73, or HT 75.
Cut-off speed without
cutting attachment 4. Service Accessories
(electronic speed
Special servicing tools are listed in the service
governor): 10.500 +/- 500 rpm
manual for the STIHL series 4180 powerhead.
Fuel tank capacity: 18.0 fl.oz (0.53 l)
2.4 Cutting Attachment
Gear ratio: 1:1.267
Guide bar: Rollomatic with
nose sprocket
Cutting length: 12 in
(30 cm)
Oilomatic chain: 61PMNPicco-Micro-
Pitch: Mini
Drive link gauge: 3/8"P
0.04 in (1.1 mm)
Chain sprocket: Spur sprocket
Pitch: 3/8"P
No. of teeth: 6
Chain lubrication: Fully automatic,
speed-controlled
rotary piston oil pump
Oil tank capacity: 7.4 fl. oz. (0.22 l)
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)m~ge 4 Technical Information 22.2003
5. Assembly Instructions 7. Repairs
Pole pruners shipped from the factory are not If the machine is started up in the course of
completely assembled. repairs, it is essential to observe all country-
The gearbox has to be mounted on the HT 100. The specific safety regulations and the safety
powerhead and gearbox have to be mounted on the precautions outlined in the instruction manual.
HT 101.
7.1 Service Note
Warning! The engine may be started only with the
boom properly mounted – there is otherwise a risk For servicing and repair procedures on the engine
refer to the service manual for the STIHL series
of engine damage and personal injury.
4180 powerhead; see also STIHL Service Training
System "Diagnosis". For boom and gearbox see TI
14.1999 and 38.2002.
1 2
3 4 7.2 Tightening Torques
Tightening torques for the engine, drive shaft and
gearbox are listed in the respected service manuals.
246TI001 KN
Tighten the two clamp screws on the gearbox as
follows:
1 = Tighten left-hand screw moderately
2 = Tighten right-hand screw moderately
3 = Finally tighten left-hand screw
57 in. lbs. / 6.5 Nm
4 = Finally tighten right-hand screw
57 in. lbs. / 6.5 Nm
Instruction sheets 0457 365 0016 (HT 100) and
0457 339 0000 (HT 101) describe the complete
assembly procedure.
6. Spare Parts
The illustrated parts list for model HT 100 and
HT 101 pole pruners will be available for the market
launch.
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Technical Information 22.2003 Page 5
7.3 Repair Times
The specified repair times assume that the work is Code Type of Repair HT 100 HT 101
performed by trained personnel in a properly
equipped service workshop. 1 Crankcase, Crankshaft, 1.5 1.5
Crankshaft Bearings
The repair times are given in ours (0.1 = 6 minutes).
The following table can be added to the STIHL 3 Crankcase Gasket 1.2 1.2
repair timetables manual. Sealing
4 Crankshaft Seals 0.9 0.9
(includes pressure &
vacuum testing)
5 Cylinder and/or Piston, 1.5 1.5
replace valves
6 Ignition Module 0.4 0.4
7 Fuel Hose 0.3 0.3
8 Replace Gear Box/Arbor 0.3 0.3
Assy.
9 Repair/Rebuild 0.5 0.5
Carburetor
10 Replace Carburetor (if 0.3 0.3
fo tried to repair use
code 9)
11 Front Handle, Throttle 0.3 0.3
Control, Throttle Cable
12 Recoil Starter 0.3 0.3
13 Clutch, Clutch Drum, 0.4 0.4
Clutch Drum Housing
14 Drive Tube, Drive Shaft, 0.4 *0.6
Drive Shaft Bearings
15 Muffler 0.3 0.3
16 Air Filter, Filter Cover, 0.3 0.3
Tank Cap, Fuel Filter,
Spark Plug, Cutting
Attachment, Drive
Sprocket, Miscellaneous
Minor Repairs
17 Stop Switch 0.3 0.3
18 Fuel Tank, Oil Tank 0.3 0.3
19 Repair Gear Box, Gears, 0.4 0.4
Arbor Bearings, Oil
Pump
20 All Other Repairs 0.4 0.4
50 No Labor 0.0 0.0
* If using a complete assembly to replace drive shaft
or outer support tube on HT101 use code 20.
© ANDREAS STIHL AG & Co. KG, 2003 Technical Documentation
D1/MTK-ja 7831
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