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900004 - 06-07-02.qxd 6/24/02 1:12 PM Page 1
ESPAÑOL: PÁGINA 17
FRANÇAISE : PAGE 35
Double Insulated
Instruction
Circular Saw
manual
MODEL 743
IMPORTANT
To learn more about Porter-Cable
Please make certain that the person who
visit our website at:
is to use this equipment carefully reads
and understands these instructions before
http://www.porter-cable.com
starting operations.
The Model and Serial No. plate is located on the main
housing of the tool. Record these numbers in the
spaces be
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900004 - 06-07-02.qxd 6/24/02 1:13 PM Page 2 WARNING: SOME DUST CREATED BY POWER SANDING, SAWING, GRINDING, DRILLING, AND OTHER CONSTRUCTION ACTIVITIES 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, and · arsenic and chromium from chemically-treated lumber. Your risk from these exposures varies, depending on how oft
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900004 - 06-07-02.qxd 6/24/02 1:13 PM Page 3 of drugs, alcohol, or medication. A moment of inattention while operating power tools may result in serious personal injury. 2. Dress properly. Do not wear loose clothing or jewelry. Contain long hair. Keep your hair, clothing, and gloves away from moving parts. Loose clothes, jewelry, or long hair can be caught in moving parts. 3. Avoid accidental starting. Be sure switch is OFF before plugging in. Carrying tools with your finger on the switch or
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900004 - 06-07-02.qxd 6/24/02 1:13 PM Page 4 SPECIFIC SAFETY RULES AND SYMBOLSFOR CIRCULAR SAWS 1. DANGER! Keep hands away from cutting area and blade. Keep your second hand on auxiliary handle or motor housing. If both hands are holding the saw, they cannot be cut by the blade. 2. 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 “Causes and Operator Prevention of KICKBACK”). 3. Do not reach und
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900004 - 06-07-02.qxd 6/24/02 1:13 PM Page 5 15. When blade is binding, or when interrupting a cut for any reason, release the trigger and hold the saw motionless in the material until the blade comes to a complete stop. Never attempt to remove the saw from the work or pull the saw backward while the blade is in motion or KICKBACK may occur. Investigate and take corrective actions to eliminate the cause of blade binding. 16. When restarting a saw in the workpiece, center the saw blade in the
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900004 - 06-07-02.qxd 6/24/02 1:13 PM Page 6 ........................ alternating or direct current ........................ Class II Construction ........................ splash-proof construction ........................ watertight construction …/min ........................ revolutions or reciprocation per minute REPLACEMENT PARTS When servicing use only identical replacement parts. MOTOR Many Porter-Cable tools will operate on either D.C., or single phase 25 to 60 cycle A.C. current and v
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900004 - 06-07-02.qxd 6/24/02 1:13 PM Page 7 SELECTING A BLADE A combination blade is furnished with your saw and is an excellent blade for all general ripping and crosscutting operations. A fine tooth blade is recom- mended for cutting plywood. A diamond blade is available for dry cutting concrete, brick, stone, etc. REMOVING THE BLADE 1. CAUTION: DISCONNECT TOOL FROM POWER SOURCE. 2. Push in blade lock (A) Fig. 1, and rotate blade by hand until lock engages blade arbor. CAUTION: AVOID CONTA
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900004 - 06-07-02.qxd 6/24/02 1:13 PM Page 8 TELESCOPING GUARD WARNING: The telescoping guard (A) Fig. 3, is a safety device important to your protection. Every time you use the saw, see that the telescoping guard rotates freely and returns quickly and completely to its closed position. At least once a month, remove any accumulated sawdust, pitch, Fig. 3 etc., from the area around the hub (B), of the telescoping guard. DO NOT LUBRICATE THIS AREA. The hub has a dry film lubricated surface that
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900004 - 06-07-02.qxd 6/24/02 1:13 PM Page 9 TO ADJUST FOR BEVEL CUTS 1. CAUTION: DISCONNECT TOOL FROM POWER SOURCE. 2. Loosen the bevel adjusting knob (A) Fig. 5. 3. Tilt saw base until desired graduation line on the bevel segment (B) Fig. 5, lines up with indicating mark (C) Fig. 5, on bracket. Fig. 5 4. Tighten bevel adjustment knob firmly. 90° AND 45° BEVEL POSITIVE STOPS The saw is equipped with adjustable positive stops at both 90° (A) Fig. 6, and 45° (B) Fig. 6. It is recommended t
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900004 - 06-07-02.qxd 6/24/02 1:13 PM Page 10 TO ADJUST 90° POSITIVE STOP 1. CAUTION: DISCONNECT TOOL FROM POWER SOURCE. 2. Set bevel stop sleeve to normal position (see Fig. 6). 3. Loosen bevel adjustment knob (A) Fig. 5, and position base for 90° cut being sure that the bevel stop sleeve is against the 90° stop screw. 4. Turn saw upside down, retract telescoping guard and check squareness of blade as shown in Fig. 7. 5. If adjustment is necessary, loosen bevel adjustment knob, keeping b
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900004 - 06-07-02.qxd 6/24/02 1:13 PM Page 11 Fig. 10 INSTALLING SAWDUST EXHAUST NOZZLE An exhaust nozzle is provided to direct sawdust away from operator and the line of cut. This nozzle can be installed as follows: 1. CAUTION: DISCONNECT TOOL FROM POWER SOURCE. 2. Swing open exhaust cover (A) Fig. 11, and clean out any sawdust that may have accumulated. 3. Insert nozzle in exhaust opening and push in until seated. 4. To remove, grasp nozzle where it enters exhaust opening and pull out.
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900004 - 06-07-02.qxd 6/24/02 1:13 PM Page 12 VACUUM CLEANER ADAPTER An accessory vacuum hose assembly is available for connecting the exhaust nozzle directly to a shop-type vacuum cleaner. RIP GUIDE A rip guide (A), Fig. 13, is available as an accessory. Install rip guide as follows: 1. CAUTION: DISCONNECT TOOL FROM POWER SOURCE. 2. Insert rip guide through slot in left side of saw base. Slide the guide in until it extends through the slot in right side of base. 3. Position the compression s
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900004 - 06-07-02.qxd 6/24/02 1:13 PM Page 13 A Fig. 14 CROSSCUTTING Cutting directly across the grain of a piece of lumber is called crosscutting. Fig. 14 illustrates a crosscut operation. Position the work so that the cut will be on the left, as shown. RIPPING Cutting wood lengthwise is referred to as ripping. This operation is performed in the same manner as crosscutting with the exception of supporting the material to be cut. If material is supported on a large table, bench or floor, sev
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900004 - 06-07-02.qxd 6/24/02 1:13 PM Page 14 BEVEL CUTTING Bevel cuts are made in the same manner as crosscuts and rip cuts. The only difference is that the blade is set at an angle between 0° and 45°, as shown in Fig. 16. The bevel cut made at an angle to the edge of a board is called a compound cut. There are certain compound cuts, on which it may be necessary to manually retract the telescoping guard to allow the blade to enter into and/or through the cut. CAUTION: Use the lever (A) Fig.
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900004 - 06-07-02.qxd 6/24/02 1:13 PM Page 15 MAINTENANCE KEEP TOOL CLEAN Periodically blow out all air passages with dry compressed air. All plastic parts should be cleaned with a soft damp cloth. NEVER use solvents to clean plastic parts. They could possibly dissolve or otherwise damage the material. CAUTION: Wear safety glasses while using compressed air. FAILURE TO START Should your tool fail to start, check to make sure the prongs on the cord plug are making good contact in the outlet. A
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900004 - 06-07-02.qxd 6/24/02 1:13 PM Page 16 ACCESSORIES A complete line of accessories is available from your Porter-Cable • Delta Supplier, Porter-Cable • Delta Factory Service Centers, and Porter-Cable Authorized Service Stations. Please visit our Web Site www.porter-cable.com for a catalog or for the name of your nearest supplier. WARNING: Since accessories other than those offered by Porter- Cable • Delta have not been tested with this product, use of such accessories could be hazardou
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900004 - 06-07-02.qxd 6/24/02 1:13 PM Page 56 PORTER-CABLE DELTA SERVICE CENTERS (CENTROS DE SERVICIO DE PORTER-CABLE DELTA) (CENTRE DE SERVICE PORTER-CABLE DELTA) Parts and Repair Service for Porter-Cable Delta Power Tools are Available at These Locations (Obtenga Refaccion de Partes o Servicio para su Herramienta en los Siguientes Centros de Porter-Cable Delta) (Locations où vous trouverez les pièces de rechange nécessaires ainsi qu’un service d’entretien) Cleveland 44125 ARIZONA
