902452 - 03-08-02.qxd 3/18/02 9:02 AM Page 1 ESPAÑOL: PÁGINA 13 FRANÇAISE : PAGE 27 Instruction manual Variable Speed PORTA-BAND® Band Saw MODEL 7724 To learn more about Porter-Cable visit our website at: http://www.porter-cable.com IMPORTANT Please make certain that the person who is to use this equipment carefully reads and understands these instructions before starting operations. The Model and Serial No. plate is located on the main housing of the tool.
902452 - 03-08-02.qxd 3/18/02 9:02 AM 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.
902452 - 03-08-02.qxd 3/18/02 9:02 AM Page 3 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 plugging in tools that have the switch ON invites accidents. 4. Remove adjusting keys or wrenches before turning the tool ON.
902452 - 03-08-02.qxd 3/18/02 9:02 AM Page 4 SPECIFIC SAFETY RULES AND SYMBOLS 1. HOLD TOOL BY INSULATED GRIPPING SURFACES WHEN PERFORMING AN OPERATION WHERE THE CUTTING TOOL MAY CONTACT HIDDEN WIRING OR ITS OWN CORD. Contact with a “live” wire will also make exposed metal parts of the tool “live” and shock the operator. 2. KEEP HANDS AWAY FROM CUTTING AREA. 3. KEEP BLADES SHARP. 4. MAKE SURE THE MATERIAL TO BE CUT IS FIRMLY HELD TO PREVENT MOVEMENT. 5.
902452 - 03-08-02.qxd 3/18/02 9:02 AM Page 5 ........................ direct current ........................ no load n 0 ........................ 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.
902452 - 03-08-02.qxd 3/18/02 9:02 AM Page 6 FUNCTIONAL DESCRIPTION FOREWORD MODEL 7724 PORTER-CABLE Portable Band Saw is designed to cut various types of material up to 43/4" diameter or 41/2" x 43/4" rectangular shape. TO START AND STOP SAW 1. Make sure power circuit voltage is the same as that shown on the specification plate on the saw. Connect machine to power circuit. 2. Squeeze trigger switch (A) Fig. 1, to start motor. Release trigger to stop motor. 3. A lock button (B), Fig.
902452 - 03-08-02.qxd 3/18/02 9:02 AM Page 7 WHICH BLADE TO USE In general, select a blade which will allow at least two teeth to be engaged in the material thickness. The thinner or the harder the material, the finer the blade teeth. The thicker or the softer the material, the coarser the blade teeth. The hi-speed steel blades stay sharp longer than alloy steel blades. USE OF LUBRICANTS NEVER USE LIQUID COOLANT WITH YOUR BAND SAW.
902452 - 03-08-02.qxd 3/18/02 9:02 AM Page 8 ➡ DIRECTION OF BLADE TRAVEL ON LEFT SIDE OF MACHINE POSITION OF TEETH ON LEFT SIDE OF MACHINE Fig. 3 A Fig. 4 TO ADJUST BLADE TRACKING This Band Saw is equipped with an adjustable Blade Tracking Mechanism. When properly adjusted: the back edge of the blade will run lightly against at least one of the back-up rollers, but will not press heavily against the roller. If the blade fails to track correctly, adjust as follows: 1.
02452 - 03-08-02.qxd 3/18/02 9:02 AM Page 9 OPERATION HOW TO USE A PORTABLE BAND SAW 1. Verify material to be cut is firmly held to prevent movement. 2. Set variable speed switch in desired position. Speed CAN be changed while machine is running. 3. Hold the saw as shown in Fig. 4, with the work stop (A) contacting the work and blade teeth clear of the work. 4. Turn saw “ON” and lower onto work. Allow weight of saw to control cutting pressure.
902452 - 03-08-02.qxd 3/18/02 9:02 AM Page 10 MAINTENANCE KEEP TOOL CLEAN Periodically blow out all air passages with dry compressed air. Remove wax and chip buildup from pulley tires and blade guides. 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.
902452 - 03-08-02.qxd 3/18/02 9:02 AM Page 11 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 hazardous.
902452 - 03-08-02.qxd 3/18/02 9:02 AM Page 12 PORTER-CABLE LIMITED ONE YEAR WARRANTY Porter-Cable warrants its Professional Power Tools for a period of one year from the date of original purchase. We will repair or replace at our option, any part or parts of the product and accessories covered under this warranty which, after examination, proves to be defective in workmanship or material during the warranty period.
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