Adjusting the Throttle Cable
 Adjusting the Throttle Cable
The correct throttle cable setting is a
prerequisite for the correct operation of
the warm start, idling and full throttle.
Only set the throttle cable when the
machine is fully installed — the control
handle must be in the working position.
9912BA004 KN1 |
e Useatoolto press the detent on the
control handle onto the end of the
9912BA005 KN
e Open the throttle trigger lockout (1)
and throttle trigger (2) wide (full
throttle setting) — this sets the
throttle cable properly
BT 130
unleaded gasoline and the STIHL two-
stroke engine oil at a mix ratio of 50:1.
Your engine requires a mixture of high-
quality gasoline and two-stroke air
cooled engine oil.
Use mid-grade unleaded gasoline with a
minimum octane rating of 89 ((R+M)/2)
and no more than 10% ethanol content.
Fuel with a lower octane rating may
increase engine temperatures. This, in
turn, increases the risk of piston seizure
and damage to the engine.
The chemical composition of the fuel is
also important. Some fuel additives not
only detrimentally affect elastomers
(carburetor diaphragms, oil seals, fuel
lines, etc.), but magnesium castings and
catalytic converters as well. This could
cause running problems or even
damage the engine. For this reason
STIHL recommends that you use only
high-quality unleaded gasoline!
Gasoline with an ethanol content of
more than 10% can cause running
problems and major damage in engines
and should not be used.
The ethanol content in gasoline affects
engine running speed — it may be
necessary to readjust the carburetor if
you use fuels with various ethanol
To reduce the risk of personal injury
from loss of control and/or contact with
the running cutting tool, do not use your
unit with incorrect idle adjustment. At
correct idle speed, the cutting tool
should not move.
If your power tool shows an incorrect idle
adjustment, have your STIHL dealer
check your power tool and make proper
adjustments and repairs.
The idle speed and maximum speed of
the engine change if you switch from a
fuel with a certain ethanol content to
another fuel with a much higher or lower
ethanol content.
This problem can be avoided by always
using fuel with the same ethanol
Use only STIHL two-stroke engine oil or
equivalent high-quality two-stroke
engine oils that are designed for use
only in air cooled two-cycle engines.
We recommend STIHL HP Ultra 2-Cycle
Engine Oil since it is specially
formulated for use in STIHL engines.
Do not use BIA or TCW rated (two-
stroke water cooled) mix oils or other
mix oils that state they are for use in both
water cooled and air cooled engines
(e.g., outboard motors, snowmobiles,
chain saws, mopeds, etc.).
A Warnino
Take care when handling gasoline.
Avoid direct contact with the skin and
avoid inhaling fuel vapor. When filling at
the pump, first remove the container
from your vehicle and place the
container on the ground before filling. To
reduce the risk of sparks from static
discharge and resulting fire and/or
explosion, do not fill fuel containers that
are sitting in or on a vehicle or trailer.
The container should be kept tightly
closed in order to limit the amount of
moisture that gets into the mixture.
The machine's fuel tank should be
cleaned as necessary.
Fuel mix ages
Only mix sufficient fuel for a few days
work, not to exceed 3 months of storage.
Store in approved fuel-containers only.
When mixing, pour oil into the container
first, and then add gasoline. Close the
container and shake it vigorously by
hand to ensure proper mixing of the oil
with the fuel.
Gaso- Oil (STIHL 50:1 or equiva-
line lent high-quality oils)
US gal. US fl.oz.
1 2.6
21/2 6.4
5 12.8
Dispose of empty mixing-oil containers
only at authorized disposal locations.
| /
991 2BA006 K
Before fueling, clean the filler cap and
the area around it to ensure that no dirt
falls into the tank.
Always thoroughly shake the mixture in
the can before fueling your machine.
AA warnine
In order to reduce the risk of fire and
personal injury from escaping gas vapor
and fumes, remove the fuel filler cap
carefully so as to allow any pressure
build-up in the tank to release slowly.
After fueling, tighten down the filler cap
by hand as securely as possible.
BT 130
Releasing the auger brake
Activatina th brak ® Switch off the motor and activate the
Clivating the auger brake auger brake — see "Auger brake"
e Putdown the auger—drilling spindle
facing upwards
i 2
y /
del 1 03
991284009 KN
e Set the activating lever to B A ==
9912BADOS KN |
Checking the auger brake for proper m | | о га е
functioning a
e Set the activating lever to A - 2
= when staring The auger brake is subject to normal e Pull the retaining pin (1) out of the
— when idling wear. Before starting work and after auger shaft
releasing a jammed auger, check ВИ
— to unscrew a secured auger regularly if it is fulfilling its function. o vas hele ala
If the auger catches in the drilled hole P 9
(е. g. on roots or stones), the auger Each time before starting work and after © Insertthe retaining pin into the hole
ice ivati releasing a jammed auger .
moves counterclockwise — the activating ga) g e Fold down the spring clip of the
lever is pushed against the thigh of the e When idling, activate the auger retaining pin so that it encloses the
operator and the auger brake is brake and open the throttle wide for auger shaft
triggered. a brief period (max. 3 seconds) —
the auger must not rotate.
If the auger brake fails, it must be
repaired immediately by a servicing
dealer — STIHL recommends the STIHL
BT 130 13
9912BAD12 x
99172BA011 KN
e Setthe activating lever to A
e Press the throttle trigger lockout (1)
and throttle trigger (2) in succession
Hold both triggers down
e Move the slide control (3) to START
and hold it in position too
e Release the throttle trigger, slide
control and throttle trigger lockout in
succession = starting throttle
Set the rotary knob (4) of the choke
If the engine is cold
If the engine is warm — even if the
engine has already run but is still
Press fuel pump bulb (5) at least
5 times.
BT 130
9912BA013 KN
Place the machine on the ground
left foot on the handle frame
left hand on the handle frame
Pull the starter grip slowly with your
right hand until you feel it engage
and give it a brisk strong pull
Do not pull out the starter rope
completely — risk of breakage!
e Donotletthe starter grip snap back
— guide it slowly back into the
housing so that the starter rope can
rewind properly
e continue cranking
BT 130
When the engine has turned over for the
first time
e Turn the choke knob to =.
e Continue cranking until engine runs.
Once the engine is running
LE lo :
9912BA014 KN
0 |
iis Ш
9912BA009 KN
e [Immediately blip the throttle
trigger (2) — the slide control (3)
jumps to run I — the engine begins
to idle
The engine must be switched to idle
immediately — otherwise, damage to the
clutch area may occur when the auger
brake is activated.
® Place the machine on the auger tip
Set the activating lever to B — the
auger brake is released — the auger
is ready for use
If the carburetor has been set correctly,
the auger should not rotate when the
engine is idling.
Switching off the engine
e Set slide control to STOP-0
At very low temperatures
e As soon as the engine is running,
blip the throttle trigger = disengage
starting throttle position — the slide
control jumps to run I — engine
begins to idle
e Press the throttle trigger slightly
e Let the engine warm up briefly
If the engine does not start
If the choke knob was not turned to = in
time after the engine turned over for the
first time, then the engine has flooded.
e Turn the choke knob to = .
® Move the slide control, throttle
trigger lockout and throttle trigger to
the starting throttle position
e Start the engine — to do this, pull the
starter rope briskly — 10 or 20 pulls
may be needed
If the engine still does not start
e Set slide control to STOP-0
® Remove the spark plug - see "Spark
® Dry the spark plug
e Crank the engine several times with
the starter to clear the combustion
® Replace the spark plug — see "Spark
e Set the slide control to START
e Turn the choke knob to = — even if
the engine is cold
e Restart the engine
Adjusting the throttle cable
When the fuel tank has run completely
empty and then been refueled
e Check throttle cable adjustment —
see "Adjusting the throttle cable"
After refueling, press the fuel pump
bulb at least five times — even if it is
full of fuel.
Set choke knob depending on
engine temperature
Restart the engine
During break-in period
A factory-new machine should not be
run at high revs (full throttle off load) for
the first three tank fillings. This avoids
unnecessary high loads during the
break-in period. As all moving parts
have to bed in during the break-in
period, the frictional resistances in the
engine are greater during this period.
The engine develops its maximum
power after about 5 to 15 tank fillings.
During Operation
After a long period of full throttle
operation, allow the engine to run for a
short while at idle speed so that engine
heat can be dissipated by the flow of
cooling air. This protects engine-
mounted components (ignition,
carburetor) from thermal overload.
After Finishing Work
Wait for the engine to cool down. Drain
the fuel tank. Store the machine in a dry
location. Check the tightness of all
accessible screws and nuts (not
adjusting screws) at regular intervals
and retighten if necessary.
Working with shaft extension (special
Do not fit the shaft extension until the full
length of the auger is in the hole.
BT 130
A warninc
Starting a hole with the shaft extension
fitted increases the risk of personal
injury because the unit is then at chest
height and cannot be controlled
properly. For the same reason the shaft
extension must be removed before the
auger is pulled out of the hole.
BT 130
If the auger is jammed in the drilling hole
e Switch off the engine immediately
® Set the slide control to STOP-0
If there is a noticeable loss of engine
® Remove the padding on the handle
9912BA008 KN
e Set the activating lever to A — the
auger brake is activated
® Turn the whole auger
counterclockwise to the left until the
auger is released again
e Once the jammed auger is
released, check that the auger
brake functions properly — see
"Auger brake"
® Unscrew the screw (1) and remove
the filter cover (2) — screw is
fastened in the filter cover so that it
is secured against loss
® Remove coarse dirt from inside the
filter cover (2) and around the air
filter (3)
® Remove and examine the air
filter (3) — replace if soiled or
Fit the air filter (3)
Fit the filter cover (2)
Screw in the screw (1) and tighten
Fit the padding — see “Assembling
the machine”
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