Original Instruction ManualPrinted on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
© ANDREAS STIHL AG & Co. KG, 2016
0458-275-8621-D. VA0.G16.
0000007117_002_GB
HT 250
English
1
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This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process
with electronic systems.
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.
WARNING
Because a pole pruner is a high-speed,
fast-cutting power tool with an extended
reach, special safety precautions must
be observed to reduce the risk of
personal injury. Careless or improper
use may cause serious or even fatal
injury.
Guide to Using this Manual 2
Safety Precautions and Working
Techniques 2
Using the Unit 13
Cutting Attachment 14
Mounting the Bar and Chain 15
Tensioning the Chain 16
Checking Chain Tension 16
Adjusting the Throttle Cable 17
Fuel 17
Fueling 18
Chain Lubricant 19
Filling Chain Oil Tank 19
Checking Chain Lubrication 21
Fitting the Harness 22
Starting / Stopping the Engine 22
Operating Instructions 24
Taking Care of the Guide Bar 25
Replacing the Air Filter 26
Engine Management 26
Adjusting the Carburetor 26
Spark Plug 28
Engine Running Behavior 29
Storing the Machine 29
Checking and Replacing the Chain
Sprocket 30
Maintaining and Sharpening the
Saw Chain 30
Inspections and Maintenance by
Dealer 34
Maintenance and Care 35
Main Parts 37
Specifications 39
Maintenance and Repairs 40
Disposal 40
STIHL Incorporated Federal
Emission Control Warranty
Statement 40
Trademarks 42
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