10
English / USA
BT 121
Operating Instructions
!Warning!
To reduce the risk of injury, never touch
a rotating drilling tool or drilling spindle
with your hand or any part of your body.
It continues to rotate for a short period
after the throttle lever is released.
Always shut off the engine before putting
the machine down or transporting it over
a long distance.
When taking the drilling tool out of the
hole, lift the machine vertically so that
the tool comes out straight without
canting. Cover and clearly mark
boreholes, to prevent anyone from
stepping in a hole.
Maintenance, Repair and Storing
Maintenance, replacement, or repair
of the emission control devices and
systems may be performed by any
nonroad engine repair establishment
or individual. However if you claim
warranty for a component which has
not been serviced or maintained
properly or if nonapproved
replacement parts were used, STIHL
may deny warranty.
Use only STIHL replacement parts for
maintenance and repair. Use of parts
manufactured by others may damage
your earth auger or cause serious injury.
Follow the maintenance and repair
instructions in the appropriate section of
your owner's manual.
!Warning!
Always stop the engine before doing any
maintenance or repair work.
Do not attempt any maintenance or
repair work not described in your
owner's manual. Have such work
performed at your STIHL servicing
dealer only.
!Warning!
Check condition of drilling tool at regular
short intervals. If behavior of tool
changes, check immediately for
tightness or any signs of cracks in
particular.
!Warning!
Replace damaged drilling tools
immediately, even if they have only
superficial cracks. Never attempt to
repair damaged drilling tools.
Check fuel filler cap for leaks at regular
intervals. Use the specified spark plug
and make sure it and the ignition lead
are always in good condition. Keep
spark plug and wire connections tight
and clean.
!Warning!
A worn or damaged muffler is a fire
hazard and may cause hearing loss.
Check to see that the muffler is in good
condition. The earth auger must not be
operated if the muffler is not functioning
properly or has been removed. Never
touch a hot muffler or burn will result. In
order to reduce the risk of fire, do not
modify or remove any part of the muffler.
Tighten all nuts, bolts and screws except
the carburetor adjustment screws after
each use.
For any maintenance please refer to the
maintenance chart and to the warranty
statement near the end of this manual.
Store earth auger in a high or locked
place, away from children, and empty
the fuel tank before storing for longer
than a few days.
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