STIHL 048 Chainsaw Owners Manual

Instruction Manual/Owner’s Manual STIHLD4B Read and follow all safely precautions in Owner’s Manual – improper use can cause serious or fatal injury. STIHL recomm ends the use of STIHL reduced kickback bar and low kickback chain. e AndreasStihl 1985 Important Safety Precaution s for Chain Saw Users A. Kickback Safe ty Precautio ns Warn ing! Kickback may occur when the nose or tip of the guide bar touches an object, or when the wood closes in and pinches the saw chain in the cut. Tip contact in some cases may cause a lightnin g fast reverse reaction , kicking the guide bar up and back towards the operator.

Pinch ing the saw chain along the top of the guide bar may push the guide bar rapidly back towards the operator. Either of these reactions may cause you to lose control of the saw which could result in serious personal injury. 2. Keep a good firm grip on the saw with both hands, the right hand on the rear handle, and the left hand on the front handle, when the engine is running. Use a firm grip with thumb s and finge rs encircling the chain saw handles. A firm grip wil’ help you reduce kickback and malntah: centro: of the saw. Don’t let go. 3. Make sure that area in which you are cutting is free from obstructions. Do not let the nose of the guide bar contact a log, branch, or any other obstruction which could be hit while you are operating the saw. 4. Cut at high engine speeds. 5. Do not overreach or cut above shoulder height. Section 4.1 2 of ANSI B 175.1 -1 985 sets certain performance and design criteria related to chain saw kickback. STIHL has developed a color code system using green and yellow to help you select a powerhead, bar and chain combination that complies with the kickback requirements of the ANSI Standard. See the sections entitled ” Safety Precautions ” and “Specifications ” of this Manual. Do not rely exclusively upon the safety devices built into your saw. As a chain saw user, you should take several steps to keep your cutting jobs free from acc ident or injury. 6. Follow manufacturer’s sharpening and maintenance instructions for the saw chain. 7. Only use replacement bars and chains specified by the manufacturer or the equivale nt. B. Other Safe ty Precautions 1. Do not operate a chain saw when you are fatigued. 2. Use safety footwear; snug-fitling clothing; protective gloves; and eye, hearing, and head protection devices. 3. Use caution when handling fuel. Move the chain saw at least 10 feet (3 m) from the fueling point before starting the engine. continued on the back inside cover 1. With a basic understanding of kickback, you can reduce or eliminate the element of surprise. Sudden surprise contributes to accidents. STIHL 048 AV electronic Quickstop This Manual contains operating and safety instructions for all STIHL 048 series power saws. Pay special attention to the safety precautions outlined on the inside cover and on pages 4 to 23. Allow only persons who understand this Manual to operate your chain saw. To receive maximum performance and satisfaction from Operating Instructions Sharpening and Maintenance of Saw Chain Contents your STIHL chain saw, it is important that your read and understand the maintenance and safety precautions before using your saw. Contact your STIHL dealer or the STIHL distributor for your area if you do not understand any of the instructions in this Manual. Warning! This chain saw is capable of severe kickback that could result in serious or fatal injury to the user. Do not operate this chain saw unless your have extraordinary cutting needs and experience and specialized training for dealing with kickback. Chain saws with significantly reduced kickback potential are available. STIHL recommends the use of green labeled STIHL reduced kickback bars and low kickback chains. Warning! Because a chain saw is a high-speed wood-cutting tool, some special safety precautions must be observed as with any other power saw to reduce the risk of personal injury. Careless or improper use may cause serious or even Parts of the Chain Saw Safety Precautions – The Operator – The Saw – The Use of the Saw – Maintaining and Storing the Saw Fuel Chain Oil Mounting the Bar and Chain Oil Quantity Control Chain Brake General Notes on Operation Master Control Starting Electrically Heated Handles Intake Air Preheating Guide Bar, Chain and Sprocket Air Filter Carburetor Replacing the Chain Sprocket Rewind Starter Maintenance Chart Specifications Sharpening and Maintenance of Saw Chain fatal injury. STIHlCs 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 saw differs from tho se described in this Manual, please contact your STIHL dealer for information and assistance. 0458 1223021. Ml. MS. sa. Printed In West Germany C Andreas Stihl1985 Andreas Stihl Postfach 1760 0-7050 Wa iblingen 1 –‘. , Parts of the Chain Saw Front hand guard 6 5 4 7 Front handle Spark Cha in brake Bumper spike Guide bar nose Guide bar 8 lu terminal 3 2 9 Handl e heatin Cha in sprocket 12 Chain sprocket cover 13 10 Rear handle 11 Rear hand guard 17 Chain guard 18 Muffler 19 Starter rip Master Control lever 14 Safety throttle lock 15 20 Fuel filler cap 21 Oil filler cap Throttle trigger 16 2 ·’ “- ‘.’. Definitions 13. Chain Sprocket Cover. Covers the clutch and the sprocket. 14. Master Control Lever. Lever for choke control, starting throttle, run and stop switch position. 15. Safety Throttl e Lock, Must be depressed before activating the throttle trigger. 16. Throttle Trigger. Controls the speed of the engine. 1. Oilomatic Saw Chain. A loop of chain having cutters, tie straps and drive links. 2. Guide Bar. Supports and guides the saw chain. 3. Guide Bar Nose. The exposed part of the guide bar. 4. Bumper Spike. Toothed stop for holding saw steady against wood. 5. Chai n Brake. A device to stop the rotation of the chain if activated in a kickback situation by the operator’s hand or by inertia. 6. Fron t Hand Guard. Provides protection against projecting branches and helps prevent the left hand from touching the chain if it slips off the handle bar