Technical Information · issue 32 of 2006
New STIHL HT 130, HT 131 Pole Pruners
IssueTI 32/2006
Full text
Page 1 of 12
STIH)
Technical Information 32.2006
New STIHL HT 130, HT 131 Pole Pruners – Series 4182
Contents
1. Technical Description
2. Specifications
3. Accessories
4. Service Accessories
5. Assembly Instructions
6. Spare Parts
7. Repairs
TI_32_2006_30_01_01.fm englisch / English USA
)m~ge 2 Technical Information 32.2006
The new HT 130 and HT 131 pole pruners with the 1.4 Drive Tube
STIHL 4-MIX® engine further extend the line of pole HT 130 drive tube
pruners for pruning and tending trees.
. Drive tube with a flexible drive shaft supported in
New units feature high chain speed and high torque. a liner reduces vibrations and produces a
The HT 130 is equipped with a fixed drive tube, smoother cut.
while the HT 131 features a telescopic drive tube . Maximum reach: 11'5" (3.5 m)
that can be adjusted to suit different applications.
HT 131 telescopic drive tube
Applications are the same as those of model HT 100
. Extendable drive tube with a shaft supported in
and HT 101 pole pruners.
a liner and ball bearings.
1. Technical Description . Maximum reach: 16 ft. (5.0 m)
. Improved telescopic drive shaft components
The powerhead and controls are the same as those
of the FS 130 R brushcutter.
. Much higher chain speed for smoother cutting
performance 2. Specifications
®
. Powerful 4-MIX engine with high torque
2.1 Engine
® STIHL single cylinder four-stroke engine with gas-
1.1 STIHL 4-MIX Engine
oil lubrication
. Familiar fuel mix
Displacement: 2.2 cu.in (36.3 cm3)
. Favorable fuel consumption
Bore: 1.69 in (43 mm)
. Operates in all positions Stroke: 0.98 in (25 mm)
. Reduced emissions Engine power to
ISO 8893: 1.90 bhp (1.4 kW )
. Good acceleration
Idle speed: 2,800 rpm
. Compact construction – attractive design
Rewind starter: Single pawl system
. Favorable power-to-weight ratio Starter rope: Diameter 0.120 in,
. Simple maintenance – service-friendly 33.5 in long
(Diameter 3.0 mm,
. Lower vibrations 850 mm long)
. Reduced cranking effort Clutch engages at: 3,700 rpm
Cut-off speed range
1.2 Tank Cap without cutting
. The tank cap features a hinged grip designed for attachment
quick and simple opening and closing. (chain sprocket): 10,500 +/- 200 rpm
Valve clearance
1.3 Controls Inlet: 0.004 in (0.10 mm)
. Ergonomic control handle with comfortable grip Exhaust: 0.004 in (0.10 mm)
zone.
2.2 Ignition System
. Control handle with integral throttle cable
adjuster. Ignition module: with integral electronic
speed governor
Spark plug
(suppressed): NGK CMR6H
Electrode gap: 0.020 in (0.5 mm)
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Technical Information 32.2006 Page 3
2.3 Fuel System 2.5 Length (with cutting attachment)
The STIHL 4-MIX® engine features gasoline-oil HT 130 approx. 84.6 in (215 cm)
lubrication and must be run on a fuel mixture of HT 131 (drive tube approx. 106 in (270 cm)
gasoline and air cooled two-cycle engine mix oil. compressed)
STIHL HP Ultra synthetic mix oil is ideal for use in all HT 131 (drive tube approx. 153.5 in (390 cm)
STIHL engines. extended)
Fuel:
2.6 Weight
see instruction manual
without cutting attachment
HT 130: 12.6 lbs. (5.7 kg)
Carburetor: HT 131: 17.2 lbs. (7.8 kg)
All position diaphragm carburetor with integral fuel
pump.
For carburetor adjustment see TI 41.2004.
3. Accessories
Low speed screw L
(standard setting with caps): Open 3/4 turn (no
further than stop)
(Standard setting without
caps when performing
repairs): Open 2 1/2 turns
High speed screw H
(standard setting with caps): Open 3/4 turn (no
further than stop)
(Standard setting without
caps when performing
repairs): Open 4 turns
Fuel tank capacity: 18.0 oz. (530 cm3)
2.4 Cutting Attachment
Gear ratio: 1:1
Guide bar: Rollomatic with
nose sprocket Backpack carrying system
Cutting length: 12" (30 cm) Innovative backpack carrying system
Oilomatic chain: Picco Micro-Mini 4182 790 4400 is available for pole pruners with
Pitch: 3/8"P (9.32 mm) telescopic shaft. It distributes the weight evenly
Drive link gauge: 0.043 in (1.1 mm) over the shoulders, back and hips, and helps reduce
physical effort.
Chain sprocket: Spur sprocket
Pitch: 3/8"P (9.32 mm)
No. of teeth: 6 Note on full harness
Chain lubrication: Fully automatic,
speed-controlled The HT full harness (with sling) 4138 710 9001
rotary piston oil pump cannot be used with models HT 130 and HT 131
because of the new, larger machine support.
Oil tank capacity: 7.4 oz. (220 cm3)
TI_32_2006_30_01_01.fm
)m~ge 4 Technical Information 32.2006
30° angle drive
1 2
386TI003 KN
The 30° angle drive 4138 640 0201 is available for Position 1 is used for horizontal cuts (vertical
applications in which an angled cutting attachment branches and bushes), position 2 for a better view of
is an advantage in certain cutting situations. the cutting attachment.
4. Service Accessories
4.1 Special servicing tools
With the exception of installing tool 5910 890 2209
for hookless snap rings in the piston bosses, all
existing special tools are listed in the service manual
for the STIHL Series 4180 Powerhead.
4.2 Servicing Aids
Part Name Part No. Application
Valve clearance adjusting kit 4180 007 1005 Checking, adjusting valve clearance
Set of gaskets 4180 007 1015 Engine
Carburetor parts kit 4180 007 1061 Carburetor
Lubricating grease (225g tube) 0781 120 1111 Oil seals
Gear lubricant 0781 120 1004 Gearbox
Press Fluid OH 723 0781 957 9000 Drive shaft (external)
(100 ml bottle)
Dirko HT red sealant (90 g tube) 0783 830 2000 Sealing engine pan/cylinder, cylinder/cam gear
cover
STIHL degreaser
(32 US fl.oz. bottle, 6 per carton) 7010 881 9401 Cleaning crankshaft stubs and flywheel taper
Engine decarbonizer
(8 US fl.oz. bottle, 6 per carton) 0781 319 8019 Cleaning combustion chamber
TI_32_2006_30_01_01.fm Page 3 of 12
Technical Information 32.2006 Page 5
5. Assembly Instructions
1 2
Pole pruners shipped from the factory are not 3 4
completely assembled.
The gearbox has to be mounted on the HT 130. The
powerhead and gearbox have to be mounted on the
HT 131.
Warning! The engine may be started only with the
drive tube properly mounted – there is otherwise a
risk of engine damage and personal injury.
246TI001 KN
The HT 131 is supplied in a new type of packaging
on which the assembly instructions are printed:
. Mount the gearbox as shown in the instructions.
2 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)
263TI001 KN
1
Instruction sheet 0457 365 0016 describes the
. Tear out the instructions (1) along the complete assembly procedure for the HT 130.
perforations.
. Remove the drive tube and accessories.
. Tear open the end (2) of the packaging along the 6. Spare Parts
perforations. The illustrated parts list for model HT 130 and
. Place the drive tube in the packaging so that the HT 131 pole pruners will be available for the market
gearbox end of the drive tube projects beyond launch.
the end of the packaging.
7. Repairs
If the machine is started up in the course of
repairs, it is essential to observe all country-
specific safety regulations and the safety
precautions outlined in the instruction manual.
7.1 Service Note
For servicing and repair procedures on the engine
refer to the service manual for the STIHL Series
263TI002 KN
4180 Powerhead; see also STIHL Service Training
A System "Diagnosis".
For the gearbox see the STIHL CombiTool service
. Mount the powerhead as shown in the manual.
instructions.
. The assembly instructions are used as a 7.2 Tightening Torques
template to obtain the required distance A Tightening torques for the engine, drive tube and
10.63 in (270 mm) between the powerhead and gearbox are listed in the respective service
clamp. manuals.
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)m~ge 6 Technical Information 32.2006
7.3 Checking valve clearance 7.4 Replacing the gearbox
Valve clearances can be checked and adjusted if Use only the new gearbox 4182 640 0104 as a
necessary after "break-in" (139 hours of operation). replacement. The gearbox is marked “0104”.
Check and adjust valve clearances only when the Use gear lubricant 0781 120 1004 for lubrication of
engine is cold. Use the valve clearance adjusting kit the gearbox.
4180 007 1005, consisting of feeler gauge, sealing
ring and gasket. . Quantity of gear lubricant: 0.4 oz. (12 g)
7.5 HT 131 drive tube: Disassembling and
assembling
The engine and gearbox ends of the drive tube are The numbering in chapters 7.5.1 to 7.5.4 refers to
described separately for the sake of clarity. the legend below.
12
11
6
12
45 11 13
10
3 9
8
7
12
17
21
22
14 18 20
16
15
263TI003 KN
1 Driver 10 Bearing
2 Drive shaft (internal) 11 Spring
3 Flexible liner 12 Bearing
4 Ring 13 Drive tube
5 Snap ring 14 Bearing
6 Drive shaft (external) 15 Drive tube (gearbox end)
7 Drive tube (engine end) 16 Sleeve
8 Clamp 17 Clamp
9 Sleeve 18 Circlip
19 Ring
20 Flexible liner
21 Drive shaft (internal)
22 Driver
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Technical Information 32.2006 Page 7
7.5.1 Disassembling (engine end) - Check condition of driver, drive shafts, snap
ring, ring and liner, and replace if necessary.
If the driver is damaged:
Replace the drive shaft (with preassembled
driver, part number 4182 710 3201 or use a
press to remove the driver from the drive shaft
(internal). Install new driver.
- Make sure the snap ring is properly seated in
the groove.
- If necessary, remove rivet and pull the bearing
263TI004 KN
off the drive tube. Only use original STIHL rivet
9438 003 3171 for reassembly.
. Remove the powerhead, control handle and
carrying ring.
12
- Fully extend the telescopic drive tube (to ensure
that the springs are not under tension during 11
disassembly).
12
13
9 11
263TI007 KN
13
7
. Take the springs (11) and bearings (12) out of
the drive tube (13).
263TI005 KN
. Loosen the three screws on the clamp (8), and
pull the clamp off the drive tube.
. Pull the drive tube (7) with clamp (8), sleeve (9)
and drive shaft out of drive tube (13).
. Mark the engine end on the drive tube (13).
3 7
2 6
1
263TI006 KN
. Pull the driver (1) with drive shaft (internal, 2),
liner (3), ring (4) and drive shaft (external, 6) out
of the drive tube (7).
TI_32_2006_30_01_01.fm
)m~ge 8 Technical Information 32.2006
7.5.2 Disassembling (gearbox end) - Pull the liner and ring off the drive shaft
(internal).
- Check condition of driver, drive shaft, circlip, ring
1
and liner, and replace if necessary.
If the driver is damaged:
2
Replace the drive shaft (with preassembled
driver, part number 4182 710 3204 or use a
press to remove the driver from the drive shaft
1 (internal). Install new driver.
- If necessary, remove rivet and pull the bearing
386TI009 KN
off the drive tube. Only use original STIHL rivet
9438 003 3171 for reassembly.
. Loosen the clamp screws on the gearbox
housing.
. Pull the gearbox off the drive tube. Before assembling the telescopic drive tube:
- Check drive tubes for deformation.
- Check condition of drive shafts and clean if
necessary; coat while drive shaft (external) with
16 Press Fluid OH 723 (0781 957 9000); coat
17 outside of drive shaft (internal) with STIHL shaft
grease.
13 15 - Check condition of square end of driver.
- Determine engine or gearbox end of drive tube
(on new drive tube or if marking is missing):
263TI008 KN
. Loosen the two screws on the clamp (17) and
pull the clamp off the drive tube. a
b
. Pull the drive tube (15) with clamp (17) and
sleeve (16) out of the drive tube (13).
c
19
263TI010 KN
20
. Looking through the drive tube from the engine
15 end, the rivet (a) must be at the top and the two
21 splines (b + c) on the right.
22
263TI009 KN
. Pull the drive shaft (internal, 21) with driver (22),
liner (20) and ring (19) out of the drive tube (15);
rotate the drive shaft in the process until it
comes out.
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Technical Information 32.2006 Page 9
7.5.3 Assembling (gearbox end) 7.5.4 Assembling (engine end)
- Push the ring and liner onto the drive shaft - Fully extend the telescopic drive tube (to ensure
(external). that the springs (11) are not under tension
during assembly).
19
20 12
11
15
18 21 12
13
11
263TI011 KN
263TI013 KN
. Push the drive shaft (internal, 21) with circlip
(18), ring (19) and liner (20) into the drive tube . Push the bearing (12) into the engine end
(15); rotate the drive tube in the process until it (marking) of the drive tube (13) (bearing end
can be pushed home as far as stop. first, as shown in illustration).
Check: The drive shaft should be almost flush . Fit the spring (11).
with the outer end of the bearing (14).
. Fit the bearing (12) (bearing end first).
. Fit the spring (11).
- Always fit the bearings in the drive tube in the
16 same direction (bearing end first).
17
13
14 15 4
3
263TI012 KN
7
2 6
1
. Push the drive tube (15) with sleeve (16) and
clamp (17) into the gearbox end of the drive tube
263TI014 KN
(13); rotate the drive tube until it can be pushed
home (rivet and the two splines in the drive tube
(13) must line up with the slots in the bearing
(14)). . Push the driver (1) with drive shaft (internal, 2)
onto the drive shaft (external, 6).
. Do not tighten down the screws yet.
. Push the ring (4) and liner (3) onto the drive
shaft (2).
. Push the complete drive shaft into the drive tube
(7) as far as stop.
TI_32_2006_30_01_01.fm
)m~ge 10 Technical Information 32.2006
7.6 Serial number
9
8
13
7 6
10
1
263TI015 KN
. Push the sleeve (9) and clamp (8) onto the drive
tube (7). The serial number is located on the side of the
. Push the drive tube (7) with drive shaft, sleeve engine pan – as shown.
(9) and clamp (8) into the drive tube (13); rotate
the drive tube in the process until it can be
pushed home (rivet and the two splines in the
drive tube must line up with the slots in the
bearing (10)).
. Tighten down the two screws on the clamp (8)
firmly.
7
263TI016 KN
. Pull out the drive tube (7) as far as stop and
tighten down the third screw (arrow) on the
clamp (8).
When mounting the powerhead, line up the
telescopic drive tube assembly so that all screws
point downwards.
After assembling of telescopic drive tube, mount the
powerhead and gearbox – see also chapter 5.
Assembly Instructions.
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Technical Information 32.2006 Page 11
7.7 Repair times
Repair Description HT 130,
The specified repair times assume that the work is HT 131
performed by trained personnel in a properly 1 Replace short block. 50
equipped service workshop.
2 Replace crankcase, crankcase 100
The repair times are given in minutes.
gasket or re-seal crankcase. Includes
The following table can be added to the STIHL air leak test.
repair times table manual. 3 Replace crankshaft main bearing(s). 100
Includes air leak test.
4 Replace crankshaft seal(s). Includes 70
air leak test.
5 Perform engine air leak test. 25
6 Replace cylinder and/or piston. 100
Includes air leak test and repair of
components causing failure.
7 Replace ignition module or flywheel. 25
Includes stop circuit test.
8 Replace fuel tank line, tank vent, or 10
fuel pick-up body.
9 Replace intake manifold or intake 20
flange.
10 Repair or replace carburetor. Includes 30
fuel system testing.
11 Repair throttle control. 25
12 Repair or replace rewind starter. 15
13 Repair or replace clutch, clutch shoes 20
or clutch springs.
14 Replace muffler. 15
15 Replace air filter or filter housing. 10
16 Repair or replace stop switch. 20
Includes circuit testing.
17 Replace clutch housing. 20
18 Replace drive shaft and/or drive tube 20
assembly.
19 Replace bearings or liner in drive 20
tube.
20 Replace chain sprocket. 10
21 Replace gearbox assembly. 10
22 Replace fuel tank or oil tank. 15
23 Adjust valve clearance. 10
24 Clean exhaust valve with STIHL de- 25
carbonizing liquid. Includes leak-
down test.
25 Replace intake or exhaust valve. 100
Includes leak-down test.
26 Replace gears or bearings in 25
gearbox.
27 Repair or replace oil pump. Includes 20
oil output test.
40 Miscellaneous repairs and other 15
repairs not listed.
45 Handling allowance only-no labor. 5
50 No labor. 0
TI_32_2006_30_01_01.fm
)m~ge 12 Technical Information 32.2006
© ANDREAS STIHL AG & Co. KG, 2006 Technical Documentation
D1/MTK-ja
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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.