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RIDGID MS1290LZ1 - page 1
OPERA TOR’S MANUAL 12 in. SLIDING COMPOUND MITER SA W WITH EXACTLINE ™ LASER Double Insulated MS1290LZ 1 Y our miter saw has been engineered and manufactur ed to our high standard for dependability , ease of operation, and operator safety . When properly car ed for , it will give you years of rugged, trouble-free performance. WARNING: T o reduc ...
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RIDGID MS1290LZ1 - page 2
2 T ABLE OF CONTENTS Introduction ...................................................................................................................................................................... 2 � General Safety Rules .................................................................................................................. ...
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RIDGID MS1290LZ1 - page 3
3 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 KN OW YOU R POW ER TO OL. Re ad the op er ato r’ s manu al carefully . Learn the applications and limitations as well as the specific potential hazards r e ...
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RIDGID MS1290LZ1 - page 4
4 GENERAL SAFETY RULES NEVER USE IN AN EXPLOSIVE A TMOSPHERE. Normal sparking of the motor could ignite fumes. INSPECT TOOL CORDS PERIODICALL Y . If damaged, have repair ed by a qualified service technician at an authorized service facility . The conductor with insulation having an outer surface that is gre en with or without yellow stripes ...
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RIDGID MS1290LZ1 - page 5
5 SPECIFIC SAFETY RULES NEVER hand hold a workpiece that is too small to be clamped. Keep hands clear of the cutting area. NEVER reach behind, under , or within three inches of the blade and its cutting path with your hands and fingers for any reason. NEVER reach to pick up a workpiece, a piece of scrap, or anything else that is in or n ...
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RIDGID MS1290LZ1 - page 6
6 SYMBOLS Some o f the following symbols m ay be used on t his to ol. Pl ease s tudy th em and lear n t heir m eaning . Proper interpretation of these symbols will allow you to operate the tool better and safer . Read The Operator’ s Manual Safety Alert No Hands Symbol SYMBOL NAME DESIGNA TION/EXPLANA TION V oltage Current Frequency (cycles per s ...
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RIDGID MS1290LZ1 - page 7
7 SYMBOLS SYMBOL SIGNAL MEANING SERVICE Servicing requires extreme care and knowledge and should be performed only by a qualified service technician. For service we suggest you return the product to your nearest AUTHORIZED SERVICE CENTER for repair . When servic- ing, use only identical replacement parts. WARNING: SA VE THESE INSTRUCTIONS CAUTION: ...
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RIDGID MS1290LZ1 - page 8
8 DOUBLE INSULA TION 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 inter nal metal motor components with protect- ing ins ulation. Double insula ted tool s do not need to be grounded. WARNING: The double insulate ...
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RIDGID MS1290LZ1 - page 9
9 GLOSSAR Y OF TERMS Non-Through Cuts Any cutting operation where the blade does not extend completely through the thickness of the workpiece. Pilot Hole (drill presses) A small hole drilled in a workpiece that serves as a guide for drilling lar ge holes accurately . Push Blocks and Push Sticks Devices used to feed the workpiece thr ough the saw bl ...
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RIDGID MS1290LZ1 - page 10
10 ® FEA TURES PRODUCT SPECIFICA TIONS Blade Diameter .......................................................... 12 in. Blade Arbor Hole .......................................................... 1 in. No Load Speed ..................................... 4,000 r/min. (RPM) Input ............................... 120 V , 60 Hz, AC Only , 15 Amps. Net ...
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RIDGID MS1290LZ1 - page 11
11 FEA TURES Fig. 2 CARRYING HANDLE SA W ARM LOCKED IN DOWN POSITION LOCK PIN KNOW YOUR COMPOUND MITER SA W See Figure 1. The safe use of this product requir es an understanding of the information on the tool and in this operator’ s manual as wel l as a knowl edge of the pr ojec t yo u ar e atte mpti ng. Bef or e use of this product, familiarize ...
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RIDGID MS1290LZ1 - page 12
12 FEA TURES Fig. 5 REPEA T -A-CUT ® P ADLOCK Fig. 4 SWITCH TRIGGER MITER LOCK LEVER The miter lock lever securely locks the saw at the desired miter angle. MITER SCALE The miter scale has index points provided at 0 ° , 15 ° , 22.5 ° , 31.6 ° , 45 ° , and 60. ° MITER THUMBWHEEL The miter thumbwheel, when used with the miter lock lever lifted ...
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RIDGID MS1290LZ1 - page 13
13 The following tools (not included) are needed for making adjustments or installing the blade: COMBINA TION SQUARE TOOLS NEEDED Fig. 6 COMBINA TION WRENCH, 12 mm FRAMING SQUARE RA TCHET SOCKET , 19 mm PHILLIPS SCREWDRIVER ...
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RIDGID MS1290LZ1 - page 14
14 The following items are included with your Compound Miter Saw: Dust Bag Dust Bag Frame Dust Guide W ork Clamp Blade Wr ench Exactline ™ Laser Guide Flat Head Socket Cap Screw Operator’ s Manual (not shown) Fig. 7 WARNING: The use of attachments or accessories not listed in this manual might be hazardous and co ...
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RIDGID MS1290LZ1 - page 15
15 ASSEMBL Y UNP ACKING This product r equires assembly . Carefully lift saw from the carton by the carrying handle and the saw base, and place it on a level work surface. NOTE: This tool is heavy . T o avoid back injury , lift with your legs, not your back, and get help when needed. This saw has been shipped with the saw arm secur ed in th ...
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RIDGID MS1290LZ1 - page 16
16 ASSEMBL Y Fig. 9 NOTE: Many of the illustrations in this manual show only portions of the compound miter saw . This is intentional 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. LOCKING / UNLOCKING THE SA W ARM See Figure 9. When lock ...
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RIDGID MS1290LZ1 - page 17
17 ASSEMBL Y Fig. 11 INST ALLING THE DUST BAG See Figure 11. Squeeze the metal clips on the dust bag, then slide the metal ring over the end of the dust guide. Position the metal ring so it is between the two molded rings on the dust guide. Release the dust bag clips. Snap the frame onto the slide bar by squeezing the dust bag frame, then p ...
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RIDGID MS1290LZ1 - page 18
18 18 WARNING: Make sure the spindle lock button is not engaged before reconnecting saw to power sour ce. Never engage spindle lock button when blade is rotat- ing. INST ALLING / REPLACING THE BLADE See Figure 13. WARNING: A 12 in. blade is the maximum blade capacity of the saw . Never use a bla de that is too thick to allow outer blade washer to e ...
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RIDGID MS1290LZ1 - page 19
19 19 ASSEMBL Y MOUNTING THE EXACTLINE ™ LASER GUIDE See Figure 14. Unplug the saw . Remove hex bolt, washer , and outer blade washer . Store for future use. Make sure inner blade washer is in p lace befor e positioning saw blade on the spindle of the saw . NOTE: The laser guide replaces the outer blade washer . Place the laser gu ...
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RIDGID MS1290LZ1 - page 20
20 ASSEMBL Y REMOVING / REPLACING THE ZERO CLEAR- ANCE THROA T PLA TE See Figure 16. When squaring the saw blade, it may be necessary to move the throat plate away fr om the blade. Once the saw’ s alignment has been confirmed, return the throat plate to its original position. Never operate the saw without a throat plate installed. Unplug the ...
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RIDGID MS1290LZ1 - page 21
21 Fig. 20 FENCE SOCKET HEAD SCREW(S) FENCE SCREW SOCKET HEAD SCREW ASSEMBL Y ADJUSTING THE MITER LOCK LEVER See Figures 18 - 19. Prior to squarin g the saw blade to the fence, check and alig n the miter lock leve r . The blad e must be set at an “uni ndexed ” miter position other than 0 ° , 15 ° , 22.5 ° , 31.6 ° , 45 ° , and 60 to test. ...
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RIDGID MS1290LZ1 - page 22
22 INDICA TOR SCREW SCALE INDICA TOR MITER SCALE ® ® ® ASSEMBL Y VIEW OF BLADE NOT SQUARE WITH FENCE, ADJUSTMENTS ARE REQUIRED Fig. 24 SLIDING MITER FENCE FRAMING SQUARE MITER T ABLE BLADE Rotate the miter table until the pointer on the miter scale is positioned at 0 ° . Lock the miter lock lever by pushing it down. Remove the slidi ...
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RIDGID MS1290LZ1 - page 23
23 ASSEMBL Y ADJUSTING THE BEVEL LOCK LEVER See Figures 25 - 26. Prior to squaring the saw blade to the miter table, check and align the bevel lock lever . The blade must be set at an “unindexed” bevel position other than 0 ° , 22.5 ° , 33.9 ° , and 45 ° to test. In the “locked” position, the action of pushing the bevel lock lever down ...
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RIDGID MS1290LZ1 - page 24
24 SOCKET HEAD SCREW SCALE INDICA TOR ® INDICA TOR SCREW SQUARING THE BLADE TO THE MITER T ABLE See Figures 28 - 31. Unplug the saw . Pull the saw arm all the way down and lock in transport position. Lift the miter lock lever . Rotate the miter table until the pointer on the miter scale is positioned at 0 ° . Lock the miter lo ...
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RIDGID MS1290LZ1 - page 25
25 OPERA TION WARNING: Do not allow familiarity with tools to make you careless. Remember that a careless fraction of a second is sufficient to inflict sever e injury . WARNING: Always wear safety goggles or safety glasses with side shields when operating tools. Failure to do so could result in objects being thrown into your eyes resulting in possi ...
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RIDGID MS1290LZ1 - page 26
26 OPERA TION WARNING: Never make a cut by pulling the saw towar d you as the blade can climb on top of the workpiece and come towar d you. Failur e to heed this warning could result in serious personal injury . TO SLIDE CUT See Figures 32 - 33. The sliding feature will cut workpieces 13-1/2 in. wide by 3-1/2 in. thick. With the saw off, pull the s ...
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RIDGID MS1290LZ1 - page 27
27 Fig. 34 OPERA TION WORK CLAMP ® CROSS CUT TO MAKE NON-SLIDING CUTS WARNING: Securely tighten the slide lock knob when making any non-sliding cuts. Failure to tighten the knob could r esult in the saw head moving during the cutting operation. TO MITER CUT / CROSS CUT See Figures 34 - 35. A cross cut is made by cutting acr oss the grain of the wo ...
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RIDGID MS1290LZ1 - page 28
28 ® TO BEVEL CUT See Figures 36 - 38. A bev el c ut i s ma de b y cut ti ng a cro ss t he gra in o f the workp iece with the blade angled to the workpie ce. A straight bevel cut is made with the miter table set at the zero degree position and the blade set at an angle. NOTE: It may be necessary to adjust or r emove the sliding miter fence to insu ...
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RIDGID MS1290LZ1 - page 29
29 2 2 . 5 3 1 . 6 TO COMPOUND MITER CUT See Figure 39. A compound miter cut is a cut made using a miter angle and a bevel angle at the same time. This type of cut is used to make picture frames, cut molding, make boxes with sloping sides, and for certain roof framing cuts. T o make this type of cut the control arm on the miter table must be rotate ...
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RIDGID MS1290LZ1 - page 30
30 ® SUPPORTING LONG WORKPIECES See Figures 40 - 41. Long workpieces need extra supports. Supports should be placed along the workpiece so it does not sag. The support should let the workpiece lay flat on the base of the saw and miter table during the cutting operation. Use the optional work clamp or a C-clamp to secure the workpiece. NOTE: When m ...
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RIDGID MS1290LZ1 - page 31
31 OPERA TION ROUGH CUTTING A DADO See Figures 43 - 44. Using a wood chisel and the depth guide, it is possible to make a rough dado cut. The marks on the depth guide are to be used for reference only . Always make a practice cut on scrap wood. T o make the cut: Unlock the slide lock knob. Raise the saw arm to its full height. Using the ...
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RIDGID MS1290LZ1 - page 32
32 CUTTING COMPOUND MITERS T o aid in making the correct settings, the compound angle setting chart below has been pro vided. 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 requir ed cut. 4 PITCH OF SIDE NUMBER OF SIDES 0° 6 M- 4 ...
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RIDGID MS1290LZ1 - page 33
33 When cuttin g cr own molding by thi s meth od, the beve l angle should be set at 33.85 ° . The miter angle should be set at 31.6 ° either right or left, depending on the desired cut for the application. See the chart below for correct angle settings and correct positioning of cr own molding on miter table. The settings in the chart below can b ...
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RIDGID MS1290LZ1 - page 34
34 OPERA TION MAKING A CROWN MOLDING SUPPOR T JIG See Figure 47. A crown molding support jig will need to be made when cutting crown molding with no required bevel setting. The suppo rt ji g hol ds th e crown m oldin g in place d uring the cutting operation. When using this method, the saw can be quickly adjusted for corners that are not 90 ° squa ...
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RIDGID MS1290LZ1 - page 35
35 CUTTING WARPED MA TERIAL See Figures 48 - 49. When cutting warped material, always make sure it is positioned on the miter table with the convex side against the fence as shown in figure 48. If the warped materia l is position ed the wr ong way as shown in figure 49, it will pinch the blade near the completion of the cut. Fig. 48 RIGHT WRONG WAR ...
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RIDGID MS1290LZ1 - page 36
36 ® BRUSH REPLACEMENT See Figure 50. The saw has exter nally accessible brush assemblies that should be periodically checked for wear . Proceed as follows when r eplacement is requir ed: Unplug the saw . WARNING: Failure to unplug the saw could result in accidental starting causing serious injury . Remove brush cap with a scr ewdriver . B ...
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RIDGID MS1290LZ1 - page 37
37 MAINTENANCE CHANGING THE BA TTERIES See Figure 52. Unplug the saw . WARNING: Failur e to unplug the saw could result in accidental starting causing possible serious personal injury . Remove the laser guide from the saw . Lay laser guide on a flat surface with the two phillips scr ews facing upward. Remove the screws and separate the laser gu ...
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RIDGID MS1290LZ1 - page 38
38 NOTES ACCESSORIES Look for these accessories at The Home Depot. AC9940 .................................... Miter Saw Utility V ehicle WARNING: Current attachments and accessories available for use with this tool ar e listed above. Do not use any attachments or accessories not recommended by the manufacturer of this tool. The use of attachme ...
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RIDGID MS1290LZ1 - page 39
39 W ARRANTY Proof of purchase must be presented when requesting war - ranty service. Limited to RIDGID ® hand held and stationary power tools purchased 2/1/04 and after . This product is manufactured by One W orld T echnologies, Inc. The trademark is licensed from RIDGID ® , Inc. All warranty communications should be directed to One W orld T ech ...
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RIDGID MS1290LZ1 - page 40
40 CUSTOMER SERVICE INFORMA TION 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. The model number of this tool is found on ...
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