Owner's Manual

Original Instruction ManualPrinted on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
© ANDREAS STIHL AG & Co. KG, 2011 0458-275-8621-A. M0-55.E11.PM. 0000000847_004_GB
HT 250
English
1
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Contents
Allow only persons who fully understand
this manual to operate your pole pruner.
To receive maximum performance and
satisfaction from your STIHL pole
pruner, it is important that you read,
understand and follow the safety
precautions and the operating and
maintenance instructions in chapter
"Safety Precautions and Working
Techniques" before using your pole
pruner. For further information you can
go to www.stihlusa.com.
Contact your STIHL dealer or the STIHL
distributor for your area if you do not
understand any of the instructions in this
manual.
Guide to Using this Manual 2
Safety Precautions and Working
Techniques 2
Using the Unit 14
Mounting the Bar and Chain 16
Tensioning the Chain 17
Checking Chain Tension 17
Adjusting the Throttle Cable 17
Fuel 18
Fueling 19
Chain Lubricant 19
Filling Chain Oil Tank 20
Checking Chain Lubrication 21
Fitting the Harness 21
Starting / Stopping the Engine 21
Operating Instructions 23
Taking Care of the Guide Bar 24
Replacing the Air Filter 25
Engine Management 25
Adjusting the Carburetor 25
Spark Plug 27
Engine Running Behavior 28
Replacing the Starter Rope and
Rewind Spring 28
Storing the Machine 30
Checking and Replacing the Chain
Sprocket 30
Maintaining and Sharpening the
Saw Chain 31
Inspections and Maintenance by
Dealer 35
Maintenance and Care 36
Main Parts 38
Specifications 40
Special Accessories 41
Maintenance and Repairs 41
STIHL Incorporated Federal
Emission Control Warranty
Statement 41
Trademarks 43
Warning!
Because a pole pruner is a high-speed,
fast-cutting power tool with a very long
reach, special safety precautions must
be observed to reduce the risk of per-
sonal injury. Careless or improper use
may cause serious or even fatal injury.