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Porter-Cable 743 manual

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Table of contents for the manual

  • Page 1

    Instruction manual The Model and Serial No. plate is located on the main housing of the tool. Record these numbers in the spaces below and retain for futur e refer ence. Model No. ______________________________________ T ype ___________________________________________ Serial No. _______________________________________ IMPORT ANT Please make certain[...]

  • Page 2

    2 WARNING: SOME DUST CREA TED BY POWER SANDING, SAWING, GRINDING, DRILLING, AND OTHER CONSTRUCTION ACTIVITIES contains chemicals known to cause cancer , birth defects or other repr oductive harm. Some examples of these chemicals are: · lead from lead-based paints, · crystalline silica from bricks and cement and other masonry pr oducts, and · ars[...]

  • Page 3

    3 of drugs, alcohol, or medication. A moment of inattention while operating power tools may result in serious personal injury . 2. Dress pr operly . 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 a[...]

  • Page 4

    4 SPECIFIC SAFETY RULES AND SYMBOLS FOR CIRCULAR SAWS 1. DANGER! Keep hands away from cutting ar ea 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 cou[...]

  • Page 5

    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 fr om the work or pull the saw backward while the blade is in motion or KICKBACK may occur . Investigate and take corrective actions to elim[...]

  • Page 6

    6 ........................ alternating or direct current ........................ Class II Construction ........................ splash-proof construction ........................ watertight construction …/min ........................ revolutions or r eciprocation per minute REPLACEMENT P ARTS When servicing use only identical replacement parts. [...]

  • 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 r ecom- 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 [...]

  • Page 8

    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 r otates freely and r eturns quickly and completely to its closed position. At least once a month, remove any accumulated sawdust, pitch, etc., from the ar ea around the hub (B),[...]

  • Page 9

    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. 4. Tighten bevel adjustment knob firmly . 90° AND 45° BEVEL POSITIVE STOPS The saw is equippe[...]

  • Page 10

    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 scr ew . 4. T urn saw upside down, retract telescoping guard and check squa[...]

  • Page 11

    11 INST ALLING SAWDUST EXHAUST NOZZLE An exhaust nozzle is provided to dir ect 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 p[...]

  • Page 12

    12 V ACUUM 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[...]

  • Page 13

    13 CROSSCUTTING Cutting directly acr oss 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 referr ed to as ripping. This operation is performed in the same manner as crosscutting with the exception of su[...]

  • Page 14

    14 BEVEL CUTTING Bevel cuts are made in the same manner as cr osscuts and rip cuts. The only differ ence 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 ar e certain compound cuts, on which it may be necessary to manually retract th[...]

  • Page 15

    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: W ear safety glasses while using compressed air . F AILURE TO ST ART Should you[...]

  • Page 16

    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 W eb Site www .porter -cable.com for a catalog or for the name of your nearest supplier . WARNING: Since accessories other than those[...]

  • Page 17

    The following are trademarks of PORTER-CABLE • DEL T A (Las siguientes son marcas registradas de PORTER-CABLE • DEL T A S.A.) (Les marques suivantes sont des marques de fabriquant de la POR TER-CABLE • DEL T A): Auto-Set ® , BAMMER ® , B.O.S.S. ® , Builder’ s Saw ® , Contractor’ s Saw ® , Contractor’ s Saw II™, Delta ® , DEL T A[...]