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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
SAVE ThIS MANUAL FOR FUTURE REFERENCE
OPERATOR'S MANUAL
12 in. COMPOUND MITER SAW
WITh LASER
MS1250LZA
product.
®
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Double Insulated
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Table of Contents
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Summary of Contents for RIDGID MS1250LZA
- Page 1 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.
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Page 2: Table Of Contents
TABLE OF CONTENTS Introduction... General Safety Rules ...3-4 Specific Safety Rules ...4-5 Symbols ...6-7 Electrical ... 8 Glossary of Terms ... 9 Features ...10-1 Tools Needed ... 1 Loose Parts ... 13 ... -
Page 3: General Safety Rules
GENERAL SAFETY RULES WARNING: Read and understand all instructions. Failure to follow all instructions listed below, may result in electric shock, fire and/or serious personal injury. READ ALL INSTRUCTIONS KNOW YOUR POWER TOOL. Read the operator’s manual carefully. Learn the applications and limitations as well as the specific potential hazards related to this tool. -
Page 4: Specific Safety Rules
If a work clamp and length stop are used together, they must both be installed on the same side of the saw table to prevent the saw from catching the loose end and kicking up. - Page 5 ALWAYS carry the tool only by the carrying handle. AVOID direct eye exposure when using the laser guide. ThIS SAW CAN TIP OVER if the saw head is released suddenly and the saw is not secured to a work surface.
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Page 6: Symbols
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 Volts Amperes Hertz Watt Minutes Alternating Current Direct Current... - Page 7 Save this operator’s manual and review frequently for continuing safe operation and instructing others who may use this product. Call RIDGID service for assistance. customer ®...
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Page 8: Electrical
ELECTRICAL DOUBLE INSULATION Double insulation is a concept in safety in electric power tools, which eliminates the need for the usual three-wire grounded power cord. All exposed metal parts are isolated from the internal metal motor components with protect- ing insulation. Double insulated tools do not need to be grounded. -
Page 9: Glossary Of Terms
The area over, under, behind, or in front of the blade. As it applies to the workpiece, that area which will be or has been cut by the blade. The distance that the tip of the saw blade tooth is bent (or set) outward from the face of the blade. Snipe (planers) Depression made at either end of a workpiece by cutter blades when the workpiece is not properly supported. -
Page 10: Features
Maximum nominal lumber sizes:.... x 6 bevel stop pin switch locK upper blaDe guarD Dust guiDe saw base Miter table “D” hanDle blaDe wrench switch storage trigger... -
Page 11: Miter Lock Handle
To transport, turn off and unplug the saw, then lower the saw arm and lock it in the down position. Lock saw arm by depressing the lock pin. -
Page 12: Tools Needed
It has a sliding feature for clearance of the saw arm when making bevel or compound cuts. Loosen the fence screw before attempting to slide the miter fence. -
Page 13: Loose Parts
LOOSE PARTS The following items are included with your Compound Miter Saw: Miter Lock Handle Dust Bag Dust Guide Work Clamp Table Extension Socket Head Screw () table extension Dust bag Miter locK hanDle WARNING: The use of attachments or accessories not listed might be hazardous and could cause serious personal injury. -
Page 14: Assembly
This saw has been shipped with the saw arm secured in the down position. To release the saw arm, push down on the top of the saw arm, cut the tie-wrap, and pull out on the lock pin. Lift the saw arm by the handle. Hand pressure should remain on the saw arm to prevent sudden rise upon release of the tie wrap. -
Page 15: Table Extension
See Figure 9. The table extension can be used on the left side of the miter saw. To assemble and install the table extension: Insert socket head screw and washer into the two holes in the side of the miter saw base. -
Page 16: Work Clamp
DUST BAG See Figure 12. A dust bag is provided for use on this miter saw. It fits over the dust guide on the upper blade guard. To install it, squeeze the two metal clips to open the mouth of the bag and slide it on the dust guide. - Page 17 WARNING: A 1 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 blade guards, while thicker blades will prevent the blade bolt from securing the blade on the spindle.
- Page 18 See Figure 15. The laser guide will generate a laser line on the work surface when the saw blade is spinning. The laser line will appear as a broken line on the workpiece when the blade assembly is in the uppermost position and the motor switch is activated.
- Page 19 Failure to unplug your saw could result in accidental starting causing possible serious personal injury. Pull the saw arm all the way down and engage the lock pin to hold the saw arm in transport position. Loosen the miter lock handle approximately one-half turn.
- Page 20 Use the miter saw knob to move the table so that the blade contacts the full length of the framing square. Turn the miter lock knob clockwise to lock saw square to the fence.
- Page 21 Failure to unplug your saw could result in accidental starting causing possible serious personal injury. Pull the saw arm all the way down and engage the lock pin to hold the saw arm in transport position. Loosen the miter lock handle approximately one-half turn.
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Page 22: Operation
The saw arm should rise completely to the up position by itself. If the saw arm does not raise by itself or if there is play in the pivot joints, have saw repaired at your nearest AUThORIZED SERVICE CENTER. - Page 23 ° miter table set at some angle other than zero. Pull out the lock pin and lift saw arm to its full height. Loosen the miter lock handle. Rotate the miter lock handle approximately one-half turn to the left to loosen.
- Page 24 NOTE: It may be necessary to adjust the sliding miter fence to assure proper clearance prior to making the cut. Pull out the lock pin and lift saw arm to its full height. Loosen the miter lock handle. Rotate the miter lock han- dle approximately one-half turn to the left to loosen.
- Page 25 Pull out the lock pin and lift saw arm to its full height. Loosen the miter lock handle. Rotate the miter lock han- dle approximately one-half turn to the left to loosen.
- Page 26 Use the work clamp or a C-clamp to secure the workpiece when possible. See Figure 30. Before turning on the saw, perform a dry run of the cutting operation just to make sure that no problems will occur when the cut is made.
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Page 27: Cutting Compound Miters
OPERATION CUTTING COMPOUND MITERS To aid in making the correct settings, the compound angle setting chart below has been provided. Since compound cuts are the most difficult to accurately obtain, trial cuts should be made in scrap material, and much thought and planning made, prior to making your required cut. -
Page 28: Cutting Crown Molding
OPERATION CUTTING CROWN MOLDING Your compound miter saw does an excellent job of cutting crown molding. In general, compound miter saws do a better job of cutting crown molding than any other tool made. In order to fit properly, crown molding must be compound mitered with extreme accuracy. - Page 29 NOTE: Use a piece of wood 8 in. long if using the exten- sion table. From the back side of the saw, use a pencil to mark the wood through the holes in the miter fences. Drill holes through the wood then countersink the holes to accept flat head screws.
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Page 30: Adjustments
Use the work clamp or a C-clamp to secure a piece of scrap wood. Plug the saw into the power source and make a slight cut to score the wood. Raise the saw arm and unplug the saw. -
Page 31: Maintenance
Proceed as follows when replacement is required: Unplug the saw. WARNING: Failure to unplug the saw could result in accidental starting causing serious injury. Remove brush cap with a screwdriver. Brush assembly is spring loaded and will pop out when you remove brush cap. - Page 32 MAINTENANCE ChANGING ThE BATTERIES IN ThE LASER See Figure 38. Unplug the saw. Rotate and hold lower blade guard up. Using the hex key (1/16 in.) provided, loosen and remove the screw from the battery compartment then separate the cover from the laser guide.
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Page 33: Warranty
Tools covers all defects in workmanship or materials and nor- mal wear items such as brushes, chucks, motors, switches, cords, gears and even cordless batteries in this RIDGID tool for three years following the purchase date of the tool. Warranties for other RIDGID products may vary. -
Page 34: Parts Ordering/Service
MS1250LZA Double Insulated CUSTOMER SERVICE INFORMATION For parts or service, contact your nearest RIDGID authorized service center. Be sure to provide all relevant information when you call or visit. For the location of the authorized service center nearest you, please call 1-866-539-1710 or visit us online at www.ridgid.com.