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OPERATOR’S MANUAL
12 in. COMPOUND MITER SAW
WITH EXACTLINE™ LASER
MS1250LZ - Double Insulated
Your miter saw has been engineered and manufactured to RIDGID’s high standard for dependability, ease of operation, and
operator safety. When properly cared for, it will give you years of rugged, trouble-free performance.
WARNING:
To reduce the risk of injury, the user must read and understand the operator’s manual before using this product.
®
Thank you for buying a RIDGID product.
SAVE THIS MANUAL F
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TABLE OF CONTENTS n Introduction ...................................................................................................................................................................... 2 n � General Safety Rules .....................................................................................................................................................3-4 �n Specific Safety Rules................................................................................................
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GENERAL SAFETY RULES n SECURE WORK. Use clamps or a vise to hold work when practical, it is safer than using your hand and WARNING: frees both hands to operate the tool. Read and understand all instructions. Failure to n DO NOT OVERREACH. Keep proper footing and follow all instructions listed below, may result in balance at all times. electric shock, fire and/or serious personal injury. n MAINTAIN TOOLS WITH CARE. Keep tools sharp and clean for better and safer performance. Follow instruc-
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GENERAL SAFETY RULES n NEVER USE IN AN EXPLOSIVE ATMOSPHERE. n USE ONLY CORRECT BLADES. Do not use blades with Normal sparking of the motor could ignite fumes. incorrect size holes. Never use blade washers or blade bolts that are defective or incorrect. The maximum blade n INSPECT TOOL CORDS PERIODICALLY. If dam- capacity of your saw is 12 in. aged, have repaired by a qualified service technician at an authorized service facility. The conductor with insulation n BEFORE MAKING A CUT, BE SURE A
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SPECIFIC SAFETY RULES n NEVER hand hold a workpiece that is too small to be n ALWAYS STAY ALERT! Do not allow familiarity (gained clamped. Keep hands clear of the cutting area. from frequent use of your saw) to cause a careless mis- take. ALWAYS REMEMBER that a careless fraction of n NEVER reach behind, under, or within three inches of the a second is sufficient to inflict severe injury. blade and its cutting path with your hands and fingers for any reason. n MAKE SURE THE WORK AREA HAS AMPL
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SYMBOLS Some of the following symbols may be used on this tool. Please study them and learn their meaning. Proper interpreta- tion of these symbols will allow you to operate the tool better and safer. SYMBOL NAME DESIGNATION/EXPLANATION V Volts Voltage A Amperes Current Hz Hertz Frequency (cycles per second) W Watt Power min Minutes Time Alternating Current Type of current Direct Current Type or a characteristic of current n No Load Speed Rotational speed, at no load o Class II Construction Doub
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SYMBOLS The following signal words and meanings are intended to explain the levels of risk associated with this product. SYMBOL SIGNAL MEANING Indicates an imminently hazardous situation, which, if not avoided, will DANGER: result in death or serious injury. Indicates a potentially hazardous situation, which, if not avoided, could WARNING: result in death or serious injury. Indicates a potentially hazardous situation, which, if not avoided, may CAUTION: result in minor or moderate inj
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ELECTRICAL DOUBLE INSULATION EXTENSION CORDS Double insulation is a concept in safety in electric power When using a power tool at a considerable distance from tools, which eliminates the need for the usual three-wire a power source, be sure to use an extension cord that has grounded power cord. All exposed metal parts are isolated the capacity to handle the current the tool will draw. An from the internal metal motor components with protect- undersized cord will cause a drop in line voltage,
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GLOSSARY OF TERMS Anti-Kickback Pawls (radial arm and table saws) Non-Through Cuts A devise which, when properly installed and maintained, Any cutting operation where the blade does not extend is designed to stop the workpiece from being kicked back completely through the thickness of the workpiece. toward the front of the saw during a ripping operation. Push Blocks (for jointer planers) Arbor Device used to feed the workpiece over the jointer planer The shaft on which a blade or cutting too
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FEATURES PRODUCT SPECIFICATIONS Cutting Capacity with Miter at 0°/Bevel 0°: Blade Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 in. Maximum nominal lumber sizes: . . . . . . . . . 2 x 8, 4 x 4 Blade Arbor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 in. Cutting Capacity with Miter at 45°/Bevel 0°: No Load Speed . . . . . . . . . . . . . . . . . . . . . . . . .4,000/min. Maximum nominal lumber sizes: . . . . . . . . . . . . . . 2 x 6 Input . . . .
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5 0 FEATURES LOCK KNOW YOUR COMPOUND MITER SAW PIN See Figure 1. Before attempting to use this product, familiarize yourself with all operating features and safety rules. 15 AMP MOTOR CARRYING This saw has a powerful 15 amp motor with sufficient HANDLE power to handle tough cutting jobs. It is made with all ball bearings, and has externally accessible brushes for ease of servicing. 12 IN. BLADE A 12 in. blade is included with your compound miter saw. It will cut materials up to 7-7/8 in.
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FEATURES EXACTLINE™ LASER GUIDE ELECTRIC BRAKE For more accurate cuts, an Exactline™ laser guide is included An electric brake has been provided to quickly stop blade with your miter saw. When used properly, the laser guide makes rotation after the switch is released. accurate, precision cutting simple and easy. REPEAT-A-CUT™ See Figure 5. POSITIVE STOPS ON MITER TABLE ° ° ° The Repeat-A-Cut™ feature on both the left and right side Positive stops have been provided at 0°, 15 , 22.5 , 31.62 ,
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LOOSE PARTS The following items are included with your Compound Miter Saw: n Miter Lock Handle n Washer (2) n Dust Bag n Blade Wrench n Dust Guide n Exactline™ Laser n Work Clamp n Hex Bolt n Table Extension n Operator’s Manual (not shown) n Socket Head Screw (2) n Warranty Registration Card (not shown) DUST GUIDE LASER HEX BOLT SOCKET HEAD SCREWS WASHER TABLE EXTENTION DUST BAG BLADE WRENCH MITER WORK CLAMP LOCK HANDLE Fig. 7 WARNING: The use of attachments or accessories not listed might
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ASSEMBLY UNPACKING WARNING: This product requires assembly. n Carefully lift saw from the carton by the carrying handle Do not connect to power supply until assembly is and the saw base, and place it on a level work surface. complete. Failure to comply could result in acciden- tal starting and possible serious personal injury. NOTE: This tool is heavy. To avoid back injury, lift with your legs, not your back, and get help when needed. n This saw has been shipped with the saw arm secured in
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ASSEMBLY n Attach a second leg (B) to the other side of upper side ASSEMBLING LEG STAND brace (C) using two carriage bolts and hex nuts. See Figures 9 - 10. n Next, align holes on lower side brace (D) with the holes on n Separate brace pieces (letters A, C, D, and E) from leg the second leg (B). Insert carriage bolt and hand tighten pieces (letter E). There are a total of 12 pieces: 8 brace using hex nut. pieces and 4 leg pieces. n Repeat the above steps once. n Remove the following hardwar
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ASSEMBLY UPPER BRACE (A) UPPER SIDE BRACE (C) LEG (B) TABLE EXTENSION LOWER LOWER SIDE WASHER BRACE (E) BRACE (D) SOCKET HEAD WASHER LEG STAND ASSEMBLED SCREW Fig. 11 Fig. 10 TABLE EXTENSION See Figure 11. The table extension can be used on the left side of the miter saw. To assemble and install the table extension: n Insert socket head screw and washer into the two holes in the side of the miter saw base. n Tighten securely. MOUNTING THE MITER SAW TO THE LEG STAND See Figure 12. HEX n T
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ASSEMBLY MITER LOCK HANDLE See Figure 13. To install the miter lock handle, place the threaded stud on the end of the miter lock handle into the threaded hole in the TO control arm under miter table. Turn clockwise to tighten. TIGHTEN DUST GUIDE See Figure 14. Insert the dust guide inside the exhaust port in the upper blade guard. Turn the guide so that the open end is facing MITER LOCK down or toward the rear of the saw. TO HANDLE CONTROL LOOSEN DUST BAG ARM See Figure 15. Fig. 13 A dust ba
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5 0 ASSEMBLY SCREW WARNING: Before connecting saw to power source, make sure the blade or blade guard will not hit the work clamp or table extensions when cutting 35° to 45° BLADE BOLT COVER angles. TO INSTALL BLADE See Figure 17. LOWER BLADE GUARD WARNING: BLADE A 12 in. blade is the maximum blade capacity of the saw. Never use a blade that is too thick to allow outer blade washer to engage with the flats on the spindle. Larger blades will come in contact with the TO blade guards, whi
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5 0 ASSEMBLY BLADE BOLT COVER WARNING: Make sure the spindle lock button is not engaged before reconnecting saw into power source. Never LOWER engage spindle lock button when blade is rotating. BLADE GUARD MOUNTING THE EXACTLINE™ LASER GUIDE BLADE See Figure 18. n Unplug the saw. See "To Install Blade" on page 18 in the Assembly section of this operator's manual. TO SCREW LOOSEN n Make sure inner blade washer is in place before positioning saw blade on the spindle of the saw. FLATS ON SPIND
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5 0 ASSEMBLY Follow the directions below for using the laser guide. Removing Your Mark: Position the laser line near the left edge of your mark on the work surface in order to remove the mark. To Cut Your Mark: Position the laser line near or over your mark on the work surface in order to cut the mark. To Leave Your Mark: Position the laser line near the right edge of your mark on the work surface in order to leave the mark. After you have become familiar with using the laser guide, you will
