Owner's Manual 71/4-in. CIRCULAR SAWS Model Nos. 172.10851 172.10852 CAUTION: Read, understand and follow all Safety Rules and Operating Instructions in this manual before using this product. • • • • SAFETY OPERATION MAINTENANCE ESPANOL Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
Warranty .................................................... Safety Instructions ..................................... Safety Symbols ......................................... Description ................................................ Assembly ................................................... Operation ................................................... Maintenance .............................................. Accessories ............................................... Service Numbers ................
/_, WARNING: BE SURE to read and understand all instructions. Failure to follow all instructions listed below may result in electric shock, fire and/or serious personal injury. WORK AREA SAFETY 1. ALWAYS keep your work area clean and well lit. Cluttered benches and dark areas invite accidents. 2. DO NOT operate power tools in explosive atmospheres, such as in tne presence of flammable liquids, gases, or dust. Power tools create sparks which may ignite the dust or fumes. 3.
ELECTRICAL SAFETY cont. 8. When operating a power tool outside, ALWAYS use an outdoor extension cord marked "W-A" or "W". These cords are rated for outdoor use and reduce the risk of electric shock. NOTE: The extension cord must have adequate wire size AWG (American Wire Gauge) for safe, efficient use. Smaller gauge wires have greater capacity (16 gauge w re has more capacity than ! 8 gauge wire).
TOOL USE AND CARESAFETY 1. ALWAYSuse clamps or other practical ways to secure and support the workplece to a stable platform. Holdingthe work by hand or againstyour 2. 3. 4. 5. 6. 7. body is unstable and may lead to loss of control. DO NOT force tool. Use the correct tool and blade for your application. The correct tool and blade will do the job better and safer at the rate for which it is designed. DO NOT use tool if switch does not turn It "On" or "Off".
SAFETY RULESFORCIRCULARSAWS I Keep your second hand on the auxihary handle or motor housing. I Z_ DANGER! Keep hands fromcannot cuttingbearea and If both hands are holding the away saw, they cut by theblade. blade. I I 1. ALWAYS keep your body positioned to either side of the saw blade, but not in line with the saw blade. Kickback could cause the saw to jump backwards. (See Kickback...What Causes It and Ways to Prevent It on pages 7-8). 2. DO NOT reach underneath the work.
SAFETY RULES FOR CIRCULAR SAWS cont. 11. ALWAYS BE SURE that all a.diustingscrews and the blade holder are fastened tightly BEFORE making a cut. Loose adjusting screws and holders can cause the tool or blade to slip and loss of control may result. 12. When removing the blade from the tool, ALWAYS avoid contact with skin and ALWAYS wear protective gloves when grasping the blade or accessory. Accessories may be hot after prolonged use. KICKBACK..
Waysto Prevent Kickback cont. 5. DONOTuse a dull or damaged blade. Unsharpenedor improperlyset blades produce narrow kerf which causes excessive friction, blade binding and KICKBACK. 6. ALWAYS be sure that the blade depth and adjusting locking levers are tight and secure BEFORE making a cut. If blade adjustment shifts while cutting, it may cause binding and KICKBACK. 7. ALWAYS use extra caution when making a "Pocket Cut" into existing walls or other blind areas.
ADDITIONAL RULES FOR SAFE OPERATION cont. 6. ALWAYS check for damaged parts. Before further use of the tool, a guard or other part that is damaged should be carefully checked to determme if it will operate properly and pe.rform its intended function. Check for mlsalignment or binding of moving parts, breakage of parts, and any other condition that may affect the tool's operation. A _uard or other part that is damaged, should be properly repalred or repliced at a Sears Service Center.
ADDITIONAL RULES FOR SAFE OPERATION cont. /_ WARNING: Some dust particles created by power sanding, sawing, grinding, drilling and other construction jobs contains chemicals known to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are: • Lead from lead-based paints. Crystalline silica from bricks and cement and other masonry products. • Arsenic and chromium from chemacally-treated lumber.
Before attempting to use any tool, be sure to familiarize with all the operating features and safety instructions. I careless. Remember that a careless fract on of a second is sufficient WARNING: DO NOT let familiarity with your saw make you to cause severe injury. KNOWYOUR SAW (See Fig. 1) Your circular saw has many built-in convenience features for fast efficient cutting. These features include easy to operate adjustments for depth-of-cut and bevel cutting.
UNPACKING Your circular saw has been shipped completely assembled except for the blade which is packed unassembled. Inspect the saw carefully to make sure that no breakage or damage has occurred during shipping. If any parts are damaged or missing, return the saw to your nearest Sears Store to have it replaced. missing _arts are replaced. Failure to do so could result in possible serious I personal _WARNING: injury.
MOUNTING THE BLADETO SAW cont. 9. Raise lower blade guard using the blade guard handle and hold it in the raised position for the next steps. 10. Replace the "D" washer (See Fig. 2). 11. Firmly hold down spindle lock button as you replace blade screw and hand tighten it in a clockwise direction (See Fig. 2). Then use blade wrench to tighten blade screw thoroughly. 12. Place blade wrench back in shoe. NOTE: Always place angled portion of blade wrench upwards.
SAW BLADES All saw blades need to be kept clean, sharp and properly set in order to cut efficiently. Using a dull blade places a heavy load on the saw and increases the danger of kickback. Keep extra blades on hand, so sharp blades are always available. Gum and wood pitch hardened on the blade slows the saw down. Use gum and pitch remover, hot water or kerosene to remove them. DO NOT use gasoline.
KICKBACK Kickback occurs when the blade stalls rapidly and the saw is driven back towards you. Blade stalling is caused by any action which pinches the blade in the wood, IMPORTANT:The best guard against kickback is to avoid dangerous practices. binds or the saw stalls. Kickback could cause you to lose control of the saw. I Loss _ DANGER: releaseinjury. trigger switch immediately if the blade of control canALWAYS lead to serious Fig.
To Lessen the Chance of Kickback: cont. 2. ALWAYS inspect the workpiece for knots or nails BEFORE beginning to out. NEVER saw into a knot or nail. 3. Make straight cuts. ALWAYS use a strai_]htedge guide when rip cutting, This will help prevent twisting the blade =nthe cut. 4. ALWAYS use clean, sharp and properly set blades. NEVER make cuts with dull blades. 5. ALWAYS properly support the workpiece before beginning a cut. This will help you avoid pinching the blade.
TO ADJUSTBLADE DEPTH 1. Unplugthe saw. I starting WARNING: causing possible Failureserious to unplug personal the saw injury. could result in accidental I I 2. Raise depth adjust lever to loosen, (See Fig. 8). 3. Determine the desired depth of cut. 4. Locate the depth-of-cut scale on the back of the upper blade guard. 5. Ho{d the base of saw flat against the workpiece and then raise or lower the saw until the indicator mark on the bracket aligns with the notch on the blade guard. 6.
TO HELP MAINTAIN CONTROL cont. DANGER: If the cord hangs up on the workpiece during a cut, release I the trigger switch immediately. Unplug the saw and move the cord to prevent it from hanging up again. I Z_ DANGER: Using the saw with a damaged cord could result in serious injury or death. If the cord has been damaged, have it replaced before using | the saw again. I Hold the saw firmly with both hands (See Fig. 11). Squeeze the trigger switch to start the saw.
MAKING CROSS CUTS OR RIP CUTS 1. When making cross or rip cuts, align your line of cut with the outer blade _]suide notch on the base of the saw ee Fig. 12). 2. Since blade thicknesses vary, ALWAYS make a trial cut in scrap material along the guideline to determine how much, if any the guideline must be offset to get an accurate cut. MAKING BEVEL CUTS 1. Your saw can be adjusted to cut at any angle between 0 ° and 45 °.
TO ADJUSTTHE BEVEL SETTING 1. Unplug the saw. I/t_ WARNING: Failureserious to unplug the saw could result in accidental starting causing possible personal injury. I 2. Loosen Knob (See Fig. 15). 3. Raise the motor housing end of the saw until you reach the desired angle setting on the bevel scale See Fig. 15). 4. Tighten Knob securely. I tightened Z_ WARNING: a bevel cut without the knob being securely can resultAttempting in serious injury. POSITIVE 0° BEVEL STOP (See Fig.
TO MAKE POCKET CUTS I pocket cut. Attempting a pocket cut at any other setting can result in a loss I of Z_control WARNING: bevel setting to zero before making a I of the saw,ALWAYS possibly adjust causing serious injury. 1. Adjust the bevel setting to zero, set the blade to the correct blade depth setting and swing the lower blade guard up, us ng the lower blade guard handle. I to Z_avoid WARNING: ALWAYS raise the lower blade guard with the handle serious injury. II 2.
MAKINGRIP CUTScont, Using The Rip/Edge Guide (sold separately) To Attach the Rip/Edge Guide 1. Unplugthe saw, WARNING: NEVER possible Failure to unplugpersonal the saw injury. could result in accidental starting causing serious 2. Place guide through holes in shoe of saw (See Fig. 18). 3, Adjust guide to the desired depth. 4, Tighten the guide knob securely. Using the Rip/Edge Guide 1, Place the face of the guide firmly a_ainst the edge of the workpiece.
GENERAL Z_ WARNING: To avoid accidents, ALWAYS disconnect the tool from the power source BEFORE cleaning or performing any maintenance. All parts represent an important part of the double insulation system and should be serviced only at a Sears Service Center. Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use.
EXTENSION CORDS The use of any extension cord will cause some loss of power.To keep the loss at a minimum and to prevent overheating, use an extension cord that is heavy enough to carry the current that the tool will draw. A wire gauge (AWG) of at least 16 is recommended for an extension cord 100 feet or less in length. When working outdoors ALWAYS use an extension cord that is suitable for outdoor use.The cord's jacket will be marked WA.
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