Stihl HT-KM Manuale utente
Contents
1 KombiSystem..............................................2
2 Guide to Using this Manual.........................2
3 Safety Precautions and Working Techni‐
ques............................................................ 2
4 Using the Unit............................................. 6
5 Approved KombiEngines............................ 9
6 Assembling the Unit.................................... 9
7 Mounting the KombiTool........................... 10
8 Cutting Attachment................................... 11
9 Mounting the Bar and Chain..................... 11
10 Tensioning the Chain................................ 12
11 Checking Chain Tension...........................12
12 Chain Lubricant.........................................13
13 Filling Chain Oil Tank................................13
14 Checking Chain Lubrication...................... 15
15 Fitting the Harness....................................15
16 Starting / Stopping the Engine.................. 16
17 Operating Instructions...............................17
18 Taking Care of the Guide Bar................... 18
19 Storing the Machine.................................. 18
20 Checking and Replacing the Chain
Sprocket....................................................18
21 Maintaining and Sharpening the Saw Chain
.................................................................. 19
22 Maintenance and Care..............................22
23 Minimize Wear and Avoid Damage...........23
24 Main Parts.................................................24
25 Specifications............................................24
26 Maintenance and Repairs......................... 25
27 Disposal.................................................... 25
28 EC Declaration of Conformity................... 25
29 UKCA Declaration of Conformity.............. 26
1 KombiSystem
In the STIHL KombiSystem a number of different
KombiEngines and KombiTools can be com‐
bined to produce a power tool. In this instruction
manual the functional unit formed by the Kom‐
biEngine and KombiTool is referred to as the
power tool.
Therefore, the separate instruction manuals for
the KombiEngine and KombiTool should be used
together for the power tool.
Always read and and make sure you understand
both instruction manuals before using your
power tool for the first time and keep them in a
safe place for future reference.
2 Guide to Using this Manual
2.1 Pictograms
All the pictograms attached to the machine are
shown and explained in this manual.
2.2 Symbols in text
WARNING
Warning where there is a risk of an accident or
personal injury or serious damage to property.
NOTICE
Caution where there is a risk of damaging the
machine or its individual components.
2.3 Engineering improvements
STIHL's philosophy is to continually improve all
of its products. For this reason we may modify
the design, engineering and appearance of our
products periodically.
Therefore, some changes, modifications and
improvements may not be covered in this man‐
ual.
3 Safety Precautions and
Working Techniques
Special safety precautions must be
observed when working with the pole
pruner because it operates at a very
high chain speed, has very sharp cut‐
ters and a long reach.
Both user manuals (KombiEngine
and KombiTool) must be read
through attentively before using the
unit for the first time and kept in a
safe place for future reference. Non-
compliance with the user manuals
may cause serious or even fatal
injury.
The machine should only be provided or loaned
to people familiar with this model and its opera‐
tion. The KombiEngine and KombiTool user
manuals should always be handed over with the
machine.
Use your pole pruner for limbing only (removing
or pruning branches). Saw wood and wooden
objects only.
The machine must not be used for any other pur‐
poses – risk of accidents!
Only use guide bars, saw chains, chain sprock‐
ets and accessories that are explicitly approved
for this power tool model by STIHL or are techni‐
cally identical. If you have any questions in this
respect, consult your dealer.
English
2 0458-473-0121-E
© ANDREAS STIHL AG & Co. KG 2022
0458-473-0121-E. VA0.G22.
Printed on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
Original Instruction Manual
0000009177_007_GB
Use only high quality parts and accessories. in
order to avoid the risk of accidents and damage
to the machine.
STIHL recommends the use of STIHL original
tools, guide bars, saw chains, chain sprockets
and accessories. They are specifically designed
to match the product and meet your performance
requirements.
Never attempt to modify your power tool in any
way since this may increase the risk of personal
injury. STIHL excludes all liability for personal
injury and damage to property caused while
using unauthorized attachments.
Do not use a high-pressure washer to clean the
power tool. The solid jet of water may damage
parts of the unit.
3.1 Clothing and equipment
Wear proper protective clothing and equipment.
Clothing must be sturdy but allow
complete freedom of movement.
Wear snug-fitting clothing, e.g. an
overall and jacket combination, do not
wear a work coat.
Do not wear clothing which could become trap‐
ped in wood, brush or moving parts of the
machine. Do not wear a scarf, necktie or jewelry.
Tie up and confine long hair above your should‐
ers.
Wear cut protection safety boots with
non-slip soles and steel toe caps.
WARNING
To reduce the risk of eye injuries,
wear close-fitting safety glasses in
accordance with European Standard
EN 166. Make sure the safety
glasses are a snug fit.
Wear "personal" sound protection, e.g. ear
defenders.
Wear a safety hard hat where there is a danger
of head injuries from falling objects.
Wear sturdy protective gloves made
of a resistant material (e. g. leather).
STIHL can supply a comprehensive range of per‐
sonal protective equipment.
3.2 Transporting the machine
002BA254 KN
Always stop the engine.
Always fit the chain scabbard – even when you
carry the power tool for short distances.
Ensure that the power tool is always well bal‐
anced and hold it by the shaft for carrying.
Do not touch hot parts of the machine - risk of
burn injury!
By vehicle: When transporting in a vehicle, prop‐
erly secure your machine to prevent turnover,
damage and fuel spillage.
3.3 Before starting
Check that your power tool is properly assem‐
bled and in good condition – refer to appropriate
chapters in the KombiEngine and KombiTool
user manuals.
–Correctly mounted guide bar
–Correctly tensioned saw chain
–Never attempt to modify the controls or safety
devices
–Keep the handles dry and clean – free from oil
and dirt – this is important for safe control of
the machine
–Adjust carrying harness and handles in
accordance with body height. Observe the
chapter "Fitting the Harness"
To reduce the risk of personal injury, do not
operate your power tool if it is damaged or not
properly assembled!
To prepare for emergencies when using a har‐
ness: Practice setting down the machine quickly.
To avoid damage, do not throw the machine to
the ground when practicing.
See also notes on "Before Starting" in the user
manual of the KombiEngine you are using.
3 Safety Precautions and Working Techniques English
0458-473-0121-E 3
3.4 Holding and guiding the
machine
Make sure you always have good balance and
secure footing.
473BA007 KN
Always hold your power tool firmly with both
hands:
Right hand on control handle, left hand on the
loop handle or handle hose, even if you are left-
handed. Wrap your fingers and thumbs around
the handles.
With the KM 94 R KombiEngine, always use the
handle hose of the KombiTool as the left handle.
3.5 While working
In the event of impending danger or in an emer‐
gency, switch off the engine immediately by mov‐
ing the slide control / stop switch/button to
0 or STOP.
This power tool is not insulated. Keep
at least 15 m away from electric
power lines – Danger of fatal electric
shock!
15m (50ft)
15m (50ft)
Do not allow other persons within a radius of
15 m of your own position due to falling branches
and ejected wood particles – Risk of injury! This
distance must also be maintained in relation to
objects (vehicles, window panes) – risk of prop‐
erty damage!
Keep the bar nose at least 15 m away from elec‐
tric power lines . Electric current may also arc
over from high-voltage cables at greater dis‐
tance. Have the power switched off before start‐
ing work in the immediate vicinity of power lines.
Ensure that the engine idling speed is correct.
The saw chain must not move when the throttle
trigger has been released.
Check and correct the idle speed setting at regu‐
lar intervals. If the saw chain still rotates, have
your dealer check your machine and make
proper adjustments or repairs – see the user
manual of the KombiEngine.
Take special care in slippery, wet conditions, in
snow and on slopes, uneven ground, etc. – Risk
of slipping!
The gear head becomes hot during
operation. To reduce the risk of burn
injury, do not touch the gear housing!
Watch out for obstacles: tree stumps, roots – risk
of tripping or stumbling!
Make sure you always have good balance and
secure footing.
3.5.1 When working at heights:
–Always use a lift bucket
–Never use the machine while standing on a
ladder or in a tree
–Never work on an insecure support
English 3 Safety Precautions and Working Techniques
4 0458-473-0121-E
–Never use the machine with just one hand
Be particularly alert and cautious when wearing
hearing protection because your ability to hear
warnings (shouts, alarms, etc.) is restricted.
Take breaks when you start getting tired or feel‐
ing fatigue – risk of accidents!
Work calmly and carefully – in daylight conditions
and only when visibility is good. Proceed with
caution, do not put others in danger.
Dust (e. g., sawdust), fumes and smoke pro‐
duced while using the machine may be hazard‐
ous to health. If dust levels are high, wear a suit‐
able respirator.
Do not touch the saw chain while the engine is
running. If the saw chain becomes jammed by an
obstruction, switch off the engine immediately
before attempting to remove the obstruction –
risk of injury.
Opening the throttle while the saw chain is
blocked increases the load and reduces engine
speed. The clutch then slips continuously and
this causes overheating and damage to impor‐
tant components (e.g. clutch, polymer housing
components) – and this can increase the risk of
injury from the saw chain moving while the
engine is idling.
If your power tool is subjected to unusually high
loads for which it was not designed (e.g. heavy
impact or a fall), always check that it is in good
condition before continuing work – see also
"Before Starting". Make sure the safety devices
are working properly. Never use a power tool
that is no longer safe to operate. In case of
doubt, contact a dealer.
To reduce the risk of injury, switch off the engine
before changing the saw chain.
If you use a harness, ensure that the exhaust
gas flow is diverted away from your body – Risk
of fire!
3.5.2 Limbing
max
473BA008 KN
Hold the power tool at an angle. Do not stand
directly underneath the limb being cut. Do not
exceed an angle of 60° from the horizontal.
Watch for falling wood.
Keep the work area clear – remove interfering
limbs and brush.
Before sawing branches, establish an escape
route and remove all obstacles.
0000003462_002
When performing the separating cut, position the
bar against the branch near the hook. This will
prevent the power tool from making jolting move‐
ments when you start the separating cut.
Start the cut with the saw chain at full throttle.
Always cut with a correctly sharpened, properly
tensioned saw chain – the depth gauge setting
must not be too large.
3 Safety Precautions and Working Techniques English
0458-473-0121-E 5
Perform cross-cut from the top downward to
avoid the chain pinching in the cut.
If branch is thick or heavy, make a relieving cut –
see chapter on "Using the Pole Pruner".
Exercise extreme caution when sawing branches
under tension – Risk of injury! Always make a
relieving cut on the compression side first and
then perform the bucking cut at the tension side.
Be careful when cutting splintered wood – Risk of
injury from ejected pieces of wood!
If working on a slope, always stand uphill or to
the side of the branch which is to be sawn.
Watch out for rolling branches.
Note when reaching the end of a cut that the
power tool is no longer supported by the guide
bar in the cut. The user must bear the weight of
the machine – risk of loss of control!
Always pull the power tool out of the cut with the
saw chain running.
Use the power tool for limbing and pruning only,
not for felling – Risk of accidents!
Keep the saw chain away from any foreign
objects: Stones, nails, etc. may be ejected and
damage the saw chain.
If a rotating saw chain hits a stone or another
hard object, sparks may be generated which may
ignite easily flammable materials under certain
conditions. Also dried-out plants and brushwood
are combustible, above all in hot and dry
weather. If there is a risk of fire, do not use your
pole pruner near easily flammable materials, dry
plants or scrub. It is mandatory that you ask the
responsible forestry office about the current fire
hazard.
3.6 Maintenance and Repairs
Service the machine regularly. Do not attempt
any maintenance or repair work not described in
the KombiTool and KombiEngine instruction
manuals. Have all other work performed by a
servicing dealer.
STIHL recommends that you have servicing and
repair work carried out exclusively by an author‐
ized STIHL servicing dealer. STIHL dealers are
regularly given the opportunity to attend training
courses and are supplied with the necessary
technical information.
Only use high-quality replacement parts in order
to avoid the risk of accidents and damage to the
machine. If you have any questions in this
respect, consult a servicing dealer.
STIHL recommends the use of genuine STIHL
replacement parts. They are specifically
designed to match your model and meet your
performance requirements.
To reduce the risk of injury,always shut off the
enginebefore carrying out any maintenance or
repairs or cleaning the machine. – Exception:
Carburetor and idle speed adjustments.
Stopping the engine
–before checking chain tension.
–before retensioning the chain.
–before replacing the chain.
–before rectifying problems.
Observe sharpening instructions – keep the
chain and guide bar in good condition at all times
for safe and correct handling of the saw. The
chain must be properly sharpened, tensioned
and well lubricated.
Always change the chain, guide bar and sprocket
in good time.
Store chain lubricant in properly labelled, safety-
type canisters only.
4 Using the Unit
4.1 Preparation
► Wear suitable protective clothing, observe
safety precautions
► Starting the engine
► Fitting the harness
4.2 Cutting sequence
To allow branches to free fall, always cut the
lower branches first. Prune heavy branches
(large diameter) in several controllable pieces.
WARNING
Never stand directly underneath the branch you
are cutting – be wary of falling branches. Note
that a branch may spring back at you after it hits
the ground – risk of injury
4.3 Disposal
Do not throw cuttings into the garbage can – they
can be composted.
4.4 Working technique
Hold the control handle with your right hand, and
the loop handle with your left hand. Your left arm
English 4 Using the Unit
6 0458-473-0121-E
should be extended to the most comfortable
position.
402BA012 KN
The shaft should always be held at an angle of
60° or less.
The least tiring working position is a tool angle of
60°.
Any lesser angle may be used to suit the situa‐
tion.
4.4.1 Cross-cut
0000003462_003
To avoid pinching the bar in the cut, position the
cutting attachment with the hook against the
branch and then perform the cross-cut from the
top downwards. The saw chain can be posi‐
tioned precisely using the gauge bar.
4.4.2 Relieving cut
2
1
0000003451_002
To avoid tearing the bark on thick branches,
always start by performing a
► relieving cut (1) on the underside of the
branch. To do this, position the cutting attach‐
ment and guide it down to the bar nose in an
arc.
► Perform the cross-cut (2) – position the bar
with the hook against the branch and then per‐
form the cross-cut
4 Using the Unit English
0458-473-0121-E 7
4.4.3 Flush-cutting thick branches
3
4
A
390BA024 KN
If the branch diameter is more than 10 cm (4 in),
first
► perform the undercut (3) and then cross-cut at
a distance of about 20 cm/8 in (A) from the
final cut. Then carry out the flush-cut (4), start‐
ing with a relieving cut and finishing with a
cross-cut
4.4.4 Cutting above obstacles
402BA013 KN
The machine's long reach makes it possible to
prune branches that are overhanging obstacles,
such as rivers or lakes. The tool angle in this
case depends on the position of the branch.
4.4.5 Cutting from a lift bucket
402BA032 KN
The machine's long reach enables cutting to be
performed next to the trunk without the risk of the
lift bucket damaging other branches. The tool
angle in this case depends on the position of the
branch.
English 4 Using the Unit
8 0458-473-0121-E
4.5 30° angle drive (special acces‐
sory)
1
2
0000097201_001
The angle drive keeps the cutting attachment at
an angle of 30° to the shaft.
The angle drive may be adjusted on the shaft to
the following positions only:
1 for cross-cutting vertical branches and
bushes
2 for a better view of the cutting attachment
5 Approved KombiEngines
5.1 KombiEngines
Only use KombiEngines supplied or explicitly
approved by STIHL for use with the attachment.
This KombiTool may be operated only in combi‐
nation with the following KombiEngines:
STIHL KM 56 R, KM 85 R KM 94 R, KM 111 R,
KM 131 R, KMA 130 R, KMA 135 R
WARNING
Loop-handled machines must be equipped with
a barrier bar.
5.2 Brushcutters with split boom
The KombiTool can also be fitted to STIHL
brushcutters with a split shaft (T-models) (basic
power tools).
This KombiTool can therefore also be used on
the following machine:
STIHL FR 131 T
WARNING
Refer to the User Manual of the power tool for
use of the barrier bar.
6 Assembling the Unit
413BA014 KN
► Pull the protective caps off the ends of the
shaft and keep them in a safe place for later
use – see "Storing the Machine"
002BA248 KN
5 Approved KombiEngines English
0458-473-0121-E 9
NOTICE
The plug may come out of the drive tube when
you pull off the cap. Push it back into the shaft as
far as it will go.
6.1 Mounting the gearbox
A
402BA002 KN
► Apply a mark to the shaft at distance (A) of
50 mm (2 in.)
0000097202_001
12
► Push the gearbox (1) onto the shaft (2) as far
as stop – turn the gearbox back and forth until
the square end of the shaft engages
The gearbox is correctly positioned when the end
of its housing reaches or covers the mark
(arrow).
0000097203_001
1
3
3
► Insert the clamp screws (3) as far as it will go
1
0000097204_001
► Line up the gearbox (1) so that the chain
sprocket cover is exactly vertical and the lug
(arrow) on the end of the drive tube faces up
► Tighten down the clamp screws (3) in the fol‐
lowing sequence:
–tighten the left screw moderately
–tighten the right screw moderately
–tighten down the left screw firmly
–tighten down the right screw firmly
7 Mounting the KombiTool
1
002BA326 KN
2
► Push the lug (1) on the drive tube into the
slot (2) in the coupling sleeve as far as stop.
3
002BA327 KN
4
When correctly installed, the red line (3) (arrow
point) must be flush with the end of the coupling
sleeve.
► Tighten down the star knob (4) firmly.
7.1 Removing the KombiTool
► Reverse the above sequence to remove the
drive tube.
English 7 Mounting the KombiTool
10 0458-473-0121-E
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