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OPERATOR’S MANUAL
12 in. COMPOUND MITER SAW
WITH ADJUSTABLE LASER
Double Insulated
R4121
Your miter saw has been engineered and manufactured to our 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 FOR FUTURE RE
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TABLE OF CONTENTS Introduction ......................................................................................................................................................................2 � General Safety Rules .....................................................................................................................................................3-4 � Specific Safety Rules .................................................................................................
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GENERAL SAFETY RULES SECURE WORK. Use clamps or a vise to hold work when practical, it is safer than using your hand and frees both WARNING: hands to operate the tool. Read and understand all instructions. Failure to DO NOT OVERREACH. Keep proper footing and balance follow all instructions listed below, could result in at all times. electric shock, fire and/or serious personal injury. MAINTAIN TOOLS WITH CARE. Keep tools sharp and clean for better and safer performance. Follow instr
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GENERAL SAFETY RULES NEVER USE IN AN EXPLOSIVE ATMOSPHERE. Normal DO NOT USE TOOL IF SWITCH DOES NOT TURN IT sparking of the motor could ignite fumes. ON AND OFF. Have defective switches replaced by an authorized service center. INSPECT TOOL CORDS PERIODICALLY. If damaged, have repaired by a qualified service technician at an USE ONLY CORRECT BLADES. Do not use blades with authorized service facility. The conductor with insulation incorrect size holes. Never use blade washers or
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SPECIFIC SAFETY RULES NEVER hand hold a workpiece that is too small to be mistake. ALWAYS REMEMBER that a careless clamped. Keep hands clear of the cutting area. fraction of a second is sufficient to inflict severe injury. MAKE SURE WORK AREA HAS AMPLE LIGHTING to NEVER reach behind, under, or within three inches of the see the work and that no obstructions will interfere with blade and its cutting path with your hands and fingers for safe operation BEFORE performing any work using y
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SYMBOLS Some of the following symbols may be used on this tool. Please study them and learn their meaning. Proper interpretation 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 Type of current Alternating Current Direct Current Type or a characteristic of current n No Load Speed Rotational speed, at no load o Class II Construction Doubl
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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 product will draw. An from the internal metal motor components with protect- undersized cord will cause a drop in line volt
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GLOSSARY OF TERMS Anti-Kickback Pawls (radial arm and table saws) Non-Through Cuts A device 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 10 Arbor Hole ....................................................................1 in. Cutting Capacity with Miter at 45°/Bevel 0°: No Load Speed .....................................4,000 r/min. (RPM) Maximum nominal lumber sizes: ................................2 x 6 Input
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FEATURES KNOW YOUR COMPOUND MITER SAW ELECTRIC BRAKE See Figure 1. An electric brake quickly stops blade rotation after the switch trigger is released. The safe use of this product requires an understanding of the information on the tool and in this operator’s manual as LASER GUIDE well as a knowledge of the project you are attempting. Before For more accurate cuts, a laser guide is included with your use of this product, familiarize yourself with all operating miter saw. When used properl
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FEATURES ™ SWITCH REPEAT-A-CUT TRIGGER See Figure 5. ™ The Repeat-A-Cut feature on both the left and right side miter fences can be used when making repetitive cuts. Sim- ply mark the fence with a pencil, make the desired number SPINDLE of cut(s), then wipe the mark off with a soft cloth. LOCK BUTTON SELF-RETRACTING LOWER BLADE GUARD The lower blade guard is made of shock-resistant, see- through plastic that provides protection from each side of the blade. It retracts over the upper blade g
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TOOLS NEEDED The following tools (not included) are needed for making adjustments or installing the blade: COMBINATION WRENCH, 12 mm PHILLIPS SCREWDRIVER FRAMING SQUARE COMBINATION SQUARE Fig. 6 13
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n m LOOSE PARTS The following items are included with your miter saw: Dust Bag Laser Guide (installed on tool) Dust Guide Hex Bolt (installed on tool) Work Clamp Hex Key, 4 mm Blade Washer Hex Key, 5 mm Blade Bolt Hex Key, 1/16 in. Blade Wrench Blade Operator’s Manual (not shown) INSTALLED ON TOOL LASER GUIDE HEX BLADE BOLT BLADE WASHER BLADE BOLT HEX KEY, WORK 4 mm CLAMP HEX KEY, 1/16 in. DUST BAG HEX KEY, 5 mm DUST GUIDE BLADE WRENCH Fig. 7 WARNING: The u
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ASSEMBLY UNPACKING WARNING: This product requires assembly. 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. This saw has been shipped with the saw arm secured in
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ASSEMBLY NOTE: Many of the illustrations in this manual show only UPPER portions of the compound miter saw. This is intentional BLADE GUARD so that we can clearly show points being made in the illustrations. Never operate the saw without all guards securely in place and in good operating condition. EXHAUST DUST GUIDE PORT See Figure 9. Insert the dust guide inside the exhaust port in the upper blade guard. Turn the guide so that the open end is facing down. DUST DUST BAG GUIDE See Figur
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ASSEMBLY NOTE: BEFORE USE, OUTER REPLACE SCREW AND BLADE WASHER WARNING: TIGHTEN SECURELY Make sure the spindle lock button is not engaged TO PREVENT GUARD MOVEMENT before reconnecting saw to power source. Never BLADE engage spindle lock button when blade is rotating. BOLT BLADE INSTALLING THE BLADE INNER BLADE BOLT See Figure 12. BLADE COVER WASHER SCREW WARNING: A 12 in. blade is the maximum blade capacity of the saw. Never use a blade that is too thick to allow outer blade washe
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ASSEMBLY CUTTING A SLOT IN THE ZERO CLEARANCE THROAT PLATE In order to use your compound miter saw, you must cut a slot through the zero clearance throat plate to allow for ° blade clearance. To cut the slot, set your saw at 0 miter, turn saw on and allow the blade to reach full speed, then BROKEN carefully make a straight cut as far as it will go through the LINE throat plate. Turn your saw off and allow the blade to come to a complete stop before raising the saw arm. Adjust the bevel a
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ASSEMBLY ADJUSTING THE MITER LOCK LEVER See Figures 14 - 15. Prior to squaring the saw blade to the fence, check the miter lock lever for proper adjustment. The blade must be set at an “unindexed” miter position other than 0˚, 15˚, 22.5˚, 31.6˚, and 45˚ to test. In the “locked” position, the action of push- ing the miter lock lever down should feel tight and secure. Considerable effort should be required to move the miter table. If the table moves easily when in the “locked” position, an a
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ASSEMBLY ° Rotate the miter table to 0 . Lock the miter lock lever by pushing it down. Remove the sliding miter fence by loosening the fence screw and lifting the fence off the saw. Lay a framing square flat on the miter table. Place one leg of the square against the fence. Slide the other leg of the square against the flat part of saw blade. BLADE NOTE: Make sure that the square contacts the flat part of the saw blade, not the blade teeth. The edge of the square and the saw bla
