(Model MS250) PART NO. A05737_01-24-06_RevB Copyright © 2006 Delta Machinery To learn more about DELTA MACHINERY visit our website at: www.deltamachinery.com. For Parts, Service, Warranty or other Assistance, please call ESPAÑOL: PÁGINA 23 1-800-223-7278 (In Canada call 1-800-463-3582).
TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 SAFETY GUIDELINES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 GENERAL SAFETY RULES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SAFETY GUIDELINES - DEFINITIONS It is important for you to read and understand this manual. The information it contains relates to protecting YOUR SAFETY and PREVENTING PROBLEMS. The symbols below are used to help you recognize this information. Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
GENERAL SAFETY RULES READ AND UNDERSTAND ALL WARNINGS AND OPERATING INSTRUCTIONS BEFORE USING THIS EQUIPMENT. Failure to follow all instructions listed below, may result in electric shock, fire, and/or serious personal injury or property damage. IMPORTANT SAFETY INSTRUCTIONS 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. FOR YOUR OWN SAFETY, READ THE INSTRUCTION MANUAL BEFORE OPERATING THE MACHINE.
ADDITIONAL SPECIFIC SAFETY RULES FAILURE TO FOLLOW THESE RULES MAY RESULT IN SERIOUS PERSONAL INJURY. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. DO NOT OPERATE THIS MACHINE until it is completely assembled and installed according to the instructions. A machine incorrectly assembled can cause serious injury. OBTAIN ADVICE from your supervisor, instructor, or another qualified person if you are not thoroughly familiar with the operation of this machine. Knowledge is safety.
POWER CONNECTIONS A separate electrical circuit should be used for your machines. This circuit should not be less than #12 wire and should be protected with a 20 Amp time lag fuse. If an extension cord is used, use only 3-wire extension cords which have 3-prong grounding type plugs and matching receptacle which will accept the machine’s plug.
EXTENSION CORDS Use proper extension cords. Make sure your extension cord is in good condition and is a 3-wire extension cord which has a 3-prong grounding type plug and matching receptacle which will accept the machine’s plug. When using an extension cord, be sure to use one heavy enough to carry the current of the machine. An undersized cord will cause a drop in line voltage, resulting in loss of power and overheating. Fig. D-1 shows the correct gauge to use depending on the cord length.
CARTON CONTENTS 1 2 5 4 6 7 3 8 Fig. 1 Remove the miter saw and all loose items from the carton. Do not lift the miter saw by the switch handle. This action can cause misalignment. Always lift the machine by the base or the carrying handle. 1. 2. 3. 4. 5. Miter Saw Arm Miter Saw Base Dust Bag 1/2" Blade Wrench 5mm Hex Wrench 6. 7. 8. Table Lock Handle Bevel Pointer M5x.8x10mm Pan Head Screw with an M5.
For your own safety, do not connect the machine to the power source until the machine is completely assembled and you read and understand the entire instruction manual. ATTACHING THE MITER SAW ARM TO THE BASE DISCONNECT MACHINE FROM POWER SOURCE! 1. 2. Align the bevel lock handle screw (A) Fig. 2 on the miter saw arm with the bevel hub (B) on the base. Thread the bevel lock handle screw (A) Fig. 2 into the bevel hub (B) by turning the bevel handle knob (K) Fig. 3. B A K Fig.
2. Rotate the table to the left until the index stop engages with the 90° positive stop (Fig. 6). Tighten the table lock handle (A). A Fig. 6 MOVING CUTTINGHEAD TO THE UP POSITION 1. 2. Push down on handle (A), Inset, Fig. 7. Pull out the cuttinghead lock knob (B). Move the cuttinghead (C) to the up position (Fig. 8). C A B Fig. 7 Fig. 8 A ATTACHING THE DUST BAG Squeeze the spring clips (A) Fig. 9 of the dust bag (B) and clip the dust bag (B) over the ribs of the dust chute. B Fig.
OPERATION OPERATIONAL CONTROLS AND ADJUSTMENTS TABLE HAZARD AREA A The area inside the two red lines (A) Fig. 11 on the table is designated as a hazard zone. Never place your hands inside this area while the machine is running. B Fig. 11 USING THE OPTIONAL WORK CLAMP 1. 2. An optional work clamp (A) Fig. 12 is available. Use this accessory clamp, especially with short workpieces. Never allow your hands to be in the “Hazard Zone”. Two holes (B) Fig.
ROTATING THE TABLE FOR MITER CUTTING Your miter saw will cut any angle from a straight 90° cut to 47° right and left. Turn the lock handle (A) Fig. 15 counter-clockwise one or two turns, depress the index lever (B), and move the control arm to the desired angle. Tighten the lock handle (A). The miter saw is equipped with positive stops at the 0°, 22.5°, 31.62°, and 45° right and left positions. Loosen the lock handle (A) Fig.
TILTING THE CUTTINGHEAD FOR BEVEL CUTTING You can tilt the cuttinghead of your compound miter saw to cut any bevel angle from a 90° straight cut off to a 45° left bevel angle. Loosen the bevel lock handle (A) Fig. 20, tilt the cutting arm (B) to the desired angle, and tighten the lock handle (A). B Positive stops are provided to rapidly position the saw blade at 90° and 45° to the table. Refer to the section of this manual titled “ADJUSTING 90° AND 45° BEVEL STOPS.
ADJUSTING THE FENCE 90° TO THE BLADE DISCONNECT MACHINE FROM POWER SOURCE! If the fence (A) Fig. 24 is removed from the saw, adjust it after replacement so that it is 90° to the blade. 1. Place one end of the square (B) Fig. 24 against the fence (A) and the other end against the blade. 2. To adjust, loosen the four screws (C) Fig. 25, and adjust fence 90° degrees to the blade. Tighten the four screws (C). B A C Fig. 25 Fig.
S 4. 5. Loosen the bevel lock handle. Move the cutting arm all the way to the left bevel position and tighten the bevel lock handle. Use a combination square (A) Fig. 29 to see if the blade is at 45° to the table. A Fig. 29 6. 7. 8. To adjust, loosen the locknut (E) Fig. 30, and turn the screw (F) until it contacts the casting (G). Tighten the locknut (E). Check to see that the bevel pointer (P) Fig. 31 is pointing to the 45° mark on the bevel scale (S) Fig. 29. To adjust the bevel pointer (P) Fig.
MACHINE USE TYPICAL OPERATIONS AND HELPFUL HINTS 1. 2. Before cutting, make certain that the cutting arm and table are at their correct settings and firmly locked in place. Place the workpiece on the table and hold or clamp it firmly against the fence. The optional clamp (A) Fig. 33 can also be used on the right side of the machine (See Fig. 11). 3. If the position or size of the workpiece causes your hand to be in the “Hazard Zone”, use the work clamp to secure the workpiece.
GENERAL CUTTING OPERATIONS 1. 2. 3. 4. 5. Your machine has the capacity to cut standard 2 x 4’s, lying flat or on edge, at the 45° right and left miter angles (Fig. A1 & A2). A standard 2 x 6 can be cut in the 90° straight cut-off position in one pass (Fig. A3). Cutting a standard 4 x 4 can be accomplished with one pass (Fig. A4). This machine has the capacity to accurately cut crown mouldings and other bevel-type cuts (Fig. A5). Cutting various sizes of plastic pipe is an easy job with this machine (Fig.
CUTTING ALUMINUM Aluminum extrusions such as used for making aluminum screens and storm windows can easily be cut with your compound miter saw. When cutting aluminum extrusions, or other sections that can be cut with a saw blade and are within the capacity of the machine, position the material so the blade is cutting through the smallest cross-section (Fig. 35). The wrong way to cut aluminum angles is illustrated in Fig. 36. Be sure to apply a stick wax to the blade before cutting aluminum stock.
CUTTING CROWN MOULDING One of the many features of the saw is the ease of cutting crown moulding. The following is an example of cutting both inside and outside corners on 52°/38° wall angle crown moulding. 1. Move the table to the 31.62° right miter position and lock the table in position. NOTE: A positive stop is provided to find this angle quickly. 2. Tilt the saw blade to the 33.86° left bevel position and tighten bevel lock handle.
TROUBLESHOOTING For assistance with your machine, visit our website at www.deltamachinery.com for a list of service centers or call the DELTA Machinery help line at 1-800-223-7278 (In Canada call 1-800-463-3582). MAINTENANCE CHANGING THE BLADE Use only cross-cutting saw blades. A When using carbide-tipped blades, do not use blades with deep gullets as they can deflect and contact the guard. B Use only 10" diameter saw blades which are rated for 5200 rpm or higher and have 5/8" diameter arbor holes.
BRUSH INSPECTION AND REPLACEMENT Brush life varies. It depends on the load on the motor. Check the brushes after the first 50 hours of use for a new machine or after a new set of brushes has been installed. After the first check, examine them after about 10 hours of use until a replacement is necessary. To inspect the brushes: DISCONNECT MACHINE FROM POWER SOURCE! 1. 2. 3. Remove three screws (A) Fig. 48 and remove the motor cover (B). The brushes are located in the two holders (C) Fig. 47.
SERVICE REPLACEMENT PARTS Service Center, visit our website at www.deltamachinery. com or call our Customer Care Center at 1-800-223-7278. All repairs made by our service centers are fully guaranteed against defective material and workmanship. We cannot guarantee repairs made or attempted by others. Use only identical replacement parts. For a parts list or to order parts, visit our website at servicenet.deltamachinery. com.
ACCESORIOS Una línea completa de accesorios está disponible de su surtidor de Porter-Cable • Delta, centros de servicio de la fábrica de Porter-Cable • Delta, y estaciones autorizadas delta. Visite por favor nuestro Web site www.deltamachinery. com para un catálogo o para el nombre de su surtidor más cercano. Puesto que los accesorios con excepción de ésos ofrecidos por Delta no se han probado con este producto, el uso de tales accesorios podría ser peligroso.