HT 70, 75 - STIHL USA

1 STIHJ.:Warning! !Parasuseguridadduranteelmanejodeestepro ducto, 70, HT 75englishPrinting inks contain vegetable oils;paper can be on chlorine-free paper. ANDREAS STIHL AG & Co. KG, 2003 0458 390 3021. M7. D3. PM. Printed in USA STIHlContentsGuide to Using this Manual .. 2 Safety Precautions .. 3 Using the Pole Pruner .. 13 Mounting the Bar and Chain .. 16 Tensioning the Saw Chain .. 17 Checking Chain Tension .. 17 Adjusting the Throttle Cable* .. 17 Fuel .. 18 Fueling .. 19 Chain Oil .. 20 Filling Chain Oil Tank .. 20 Checking Chain Lubrication .. 21 Adjusting Telescopic Shaft .. 21 Fitting the Harness.

2 22 Starting / Stopping the Engine .. 23 Operating Instructions .. 27 Taking Care of Guide Bar .. 28 Cleaning the Air Filter .. 28 Motor Management .. 29 Adjusting the Carburetor .. 29 Spark Arresting Screen* in Muffler . 31 Checking the Spark Plug .. 31 Replacing the Starter Rope and Rewind Spring .. 32* ..see Guide to Using this Manual Storing the Machine .. 35 Checking the Chain Sprocket .. 35 Replacing Chain Sprocket .. 36 Maintaining and Sharpening Saw Chain .. 36 Maintenance Chart .. 41 Parts and Controls .. 42 Specifications .. 44 Special Accessories .. 45 Maintenance and Repairs.

3 45 STIHL Incorporated Federal and California Emission Control Warranty Statement .. 46 Allow only persons who 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 and understand the maintenance and safety precautions, starting on page 3, before using your pole 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 cutting tool with a very long reach some special safety precautions must be observed to reduce the risk of personal injury.

4 Careless or improper use may cause serious or even fatal 's philosophy is to continually improve all of its products. As a result, engineering changes and improve-ments are made from time to time. If the operating characteristics or the appearance of your pole pruner differ from those described in this manual, please contact your STIHL dealer for information and 70, HT 75 PictogramsAll the pictograms attached to the machine are shown and explained in this operating and handling instructions are supported by in textThe individual steps or procedures described in the manual may be marked in different ways::Step or procedure without direct reference to an illustration.

5 Description of step or procedure that refers directly to the illustration and contains item numbers that appear in the :Loosen the screw (1) Lever (2) ..In addition to the operating instructions, this manual may contain paragraphs that require your special attention. Such paragraphs are marked with the symbols described below:Warning where there is a risk of an accident or personal injury or serious damage to where there is a risk of damaging the machine or individual or hint which is not essential for using the machine, but may improve the operator s under-standing of the situation and result in better use of the or hint on correct procedure in order to avoid damage to the and featuresThis instruction manual refers to several models with different features.

6 Components that are not installed in all models and related applications are marked thus *. Such components are available as special accessories from your STIHL improvementsSTIHL s philosophy is to continually improve all of its products. As a result, engineering changes and improvements are made from time to time. If the operating characteristics or the appearance of your machine differ from those described in this manual, please contact your STIHL dealer for , we cannot be responsible for changes, modifications or improvements not covered in this to Using this Manual3HT 70, HT 75englishThe use of any pole pruner may be hazardous.

7 The pole pruner chain has many sharp cutters. If the cutters contact your flesh, they will cut you, even if the chain is not moving. At full throttle, the chain speed can reach 68 mph (30 m/s). It is important that you read, fully understand and observe the following safety precautions and warnings. Read the owner's manual and the safety instructions safety precautions that are generally observed when working with an axe or a hand saw also apply to the operation of pole pruners. However, 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 personal your STlHL dealer show you how to operate your pole pruner.

8 Observe all applicable local safety regulations, standards and ordinances.!Warning!Minors should never be allowed to use a pole pruner. Bystanders, especially children, and animals should not be allowed in the area where a pole pruner is in use. Never let the pole pruner run pole pruner user is responsible for accidents or risks involving third parties or their property!Do not lend or rent your pole pruner without the owner's manual. Be sure that anyone using your pole pruner reads and understands the information contained in this safety precautions and warnings apply to the use of all STIHL pole pruners. Different models may have different parts and controls.

9 See the appropriate section of your owner's manual for a description of the controls and function of the parts of your model pole use of a pole pruner involves:1. the operator 2. the pole pruner 3. the use of the pole prunerTHE OPERATORP hysical Condition You must be in good physical condition and mental health and not under the influence of any substance (drugs, alcohol etc.) which might impair vision, dexterity or not operate a pole pruner when you are fatigued. Be alert if you get tired while operating your pole pruner, take a break. Tiredness may result in loss of control. Working with any pole pruner can be strenuous.

10 If you lack sufficient strength to maintain control of the pruner, do not use it. If you have any condition that might be aggravated by strenuous work, check with your doctor before operating a pole Precautions4englishHT 70, HT 75!Warning!Prolonged use of pole pruners (or other machines) exposing the operator to vibrations may produce whitefinger disease (Raynaud's phenomenon) or carpal tunnel syndrome. These conditions reduce the hand's ability to feel and regulate temperature, produce numbness and burning sensations and may cause nerve and circulation damage and tissue factors which contribute to whitefinger disease are not known, but cold weather, smoking and diseases or physical conditions that affect blood vessels and blood transport, as well as high vibration levels and long periods of exposure to vibration are mentioned as factors in the development of whitefinger disease.