RIDGID MS1250LZA manual

OPERA TOR’S MANUAL 12 in. COMPOUND MITER SA W WITH LASER MS1250LZA - Double Insulated SA VE THIS MANUAL FOR FUTURE REFERENCE 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. [...]

2 T ABLE OF CONTENTS  Introduction....................................................................................................................................................................... 2   General Safety Rules ..................................................................................................................[...]

3 WARNING: Read and understand all instructions. Failure to follow all instructions listed below , may r esult in electric shock, fire and/or serious personal injury . READ ALL INSTRUCTIONS  KN OW YOU R POW ER TO OL. Re ad th e oper at or’ s man ual carefully . Learn the applications and limitations as well as the specific potential hazards r [...]

4 GENERAL SAFETY RULES  N E V E R U S E I N A N E X P L O S I V E A T M O S P H E R E . Normal sparking of the motor could ignite fumes.  INSPECT TOOL COR DS PERIODICALL Y . If da m - aged, have repair ed by a qualified service technician at an auth ori zed serv ice fac ilit y . The condu cto r with insu lati on having an outer surface that i[...]

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 thr ee 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 [...]

6 SYMBOLS Some o f the following symbol s may be us ed on this tool . Plea se stu dy the m and lear n thei r mean ing. Pr oper 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[...]

7 SYMBOLS SYMBOL SIGNAL MEANING SERVICE Servicing r equires extr eme car e 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 r epair . When servic- ing, use only identical replacement parts. WARNING: T o avoid serious personal inj[...]

8 ELECTRICAL 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 ar e isolated from the internal metal motor components with protect- ing ins ulation . Double insula ted tool s do no t need to be grounded. WARNING: The do[...]

9 GLOSSAR Y OF TERMS Non-Through Cuts Any cutting operation where the blade does not extend completely through the thickness of the workpiece. Push Blocks (for jointer planers) Device used to feed the workpiece over the jointer planer cutterhead during any operation. This aid helps keep the operator's hands well away from the cutterhead. Push [...]

10 FEA TURES PRODUCT SPECIFICA TIONS B l a d e D i a m e t e r ............................. 1 2 i n . A r b o r H o l e .................................. 1 i n . No Load Speed . . . . . . . . . . . . . . . . . . 4,000 r/min. (RPM) Input . . . . . . . . . . . . . . . . 120 V , 60 Hz, AC Only , 15 Amps N e t W e i g h t ............................[...]

11 FEA TURES SPINDLE LOCK BUTTON SWITCH TRIGGER KNOW YOUR COMPOUND MITER SA W See Figure 1. The safe use of this product requires an understanding of the information on the tool and in this operator’ s manual as wel l as a kno wle dge of the pro ject you ar e attem ptin g. Befo re use of this product, familiarize yourself with all operating featu[...]

12 FEA TURES LASER GUIDE For more accurate cuts, a laser guide is included with your mi te r s a w . Wh en us ed p ro pe r ly , the la se r g u id e ma k es accurate, precision cutting simple and easy . POSITIVE STOPS ON MITER T ABLE Posi tive stops have been pr ovid ed at 0 ° , 15 ° , 22.5 ° , 31.6 ° , and 45 ° . The 0 ° , 15 ° , 22.5 ° , [...]

13 The following items are included with your Compound Miter Saw:  Miter Lock Handle  Dust Bag  Dust Guide  W ork Clamp  T able Extension  Socket Head Screw (2)  W asher (2)  Blade Wr ench  Hex Key , 1/16 in.  Laser  Blade Bolt  Operator’ s Manual (not shown) Fig. 7 WARNING: The use of attachments or accessorie[...]

14 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[...]

15 ASSEMBL Y T ABLE EXTENSION See Figure 9. The table extension can be used on the left side of the miter saw . T o assemble and install the table extension:  Insert socket head screw and washer into the two holes in the side of the miter saw base.  Tighten securely . MITER LOCK HANDLE See Figure 10. T o install the miter lock handle, place t[...]

16 ASSEMBL Y 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. T o install it, squeeze the two metal clips to open the mouth of the bag and slide it on the dust guide. Release the clips. The metal ring in the bag should lock in between the grooves on the dust guide. T o [...]

17 WARNING: In some operations, the work clamp assembly may interfere with the operation of the blade guar d as- sembly . Always make sur e ther e is no interfer ence with the blade guard prior to beginning any cutting operation to r educe the risk of serious personal injury . TO INST ALL BLADE See Figure 14. WARNING: A 12 in. blade is the maximum [...]

18 WARNING: Make sure the spindle lock button is not engaged befor e r econnecting saw into power source. Never engage spindle lock button when blade is rotating. DANGER: Laser radiation. A void direct eye contact with light source. ALIGNING THE LASER GUIDE LINE See Figure 15. The laser guide will generate a laser line on the work surface when the [...]

19 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 1 0 ASSEMBL Y CUTTING A SLOT IN THE ZERO CLEARANCE THROA T PLA TE In order to use your compound miter saw , you must cut a slot thr ough the zer o clearance thr oat plate to allow for blade clearance. T o cut the slot, set your saw at 0 ° miter , turn saw on and allow the blade to reach full speed, then carefully[...]

20 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 1 0 VIEW OF BLADE NOT SQUARE WITH FENCE, ADJUSTMENTS ARE REQUIRED Fig. 19 VIEW OF BLADE NOT SQUARE WITH FENCE, ADJUSTMENTS ARE REQUIRED Fig. 21 ASSEMBL Y INDICA TOR SCREW SCALE INDICA TOR MITER SCALE 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 1 0 SLIDING MITER FENCE MITER T ABLE FRAMING SQUARE BLADE SLIDING MITER FENCE FRAMI[...]

21 SQUARING THE BLADE TO THE MITER T ABLE See Figures 22 - 25.  Unplug the saw . WARNING: Fai lur e to unp lug your saw cou ld res ult in acc ide nta l 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 appro[...]

22 PIVOT ADJUSTMENTS NOTE: These adjustments were made at the factory and normally do not requir e readjustment. TRA VEL PIVOT ADJUSTMENT  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 repair ed at your nearest AUTHORIZED SERVICE CENT[...]

23 CUTTING WITH YOUR COMPOUND MITER SAW WARNING: When using a work clamp or C-clamp to secure your workpiece, clamp workpiece on one side of the blade only . The workpiece must r emain free on one side of the blade to pr event the blade fr om binding in workpiece. The workpiece binding the blade will cause motor stalling and kickback. This situatio[...]

24 TO BEVEL CUT See Figures 27 - 29. A bevel cut is made by cutting across the grain of the workp iece with the blade angle d to the workpiece . A straig ht bevel cut is made with the miter table set at the zero degree position and the blade set at an angle between -2 ° and 47 ° . NOTE: It may be necessary to adjust the sliding miter fence to ass[...]

25  Slowly lower the blade into and through the workpiece.  Rel ea se the sw itc h tr igg er and allo w the saw blad e to stop rotating before raising the blade out of workpiece. W ait until the electric brake stops blade from tur ning before removing the workpiece fr om miter table. TO COMPOUND MITER CUT A compound miter cut is a cut made us[...]

26  Align the cutting line on the workpiece with the edge of saw blade.  Gra sp the stoc k fir mly wit h one hand and secu r e it agai nst the fence. Use the work clamp or a C-clamp to secure the workpiece when possible. See Figure 30.  Bef or e turn ing on the saw , perf orm a d ry run of the cut tin g operation just to make sure that no [...]

27 CUTTING COMPOUND MITERS T o 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 requir ed cut. 4 PITCH OF SIDE NUMBER OF SIDES 0° 6 M- 45[...]

28 When cutting crown molding by t his method the bevel angle shou ld be set at 33.8 5 °. The mite r ang le sho uld be set at 31.6 ° either right or left, depending on the desired cut for the ap- plication. 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 [...]

29 CUTTING WARPED MA TERIAL See Figures 34 - 35. When cutting warped material, always make sur e it is posi- tioned on the miter table with the convex side against the fence as shown in figure 34. If the warped material is p ositioned the wrong way as shown in figure 35, it will pinch the blade near the completion of the cut. Fig. 34 RIGHT OPERA TI[...]

30 WRONG WARNING: T o avoid a kickback and to avoid serious personal injury , never position the concave edge of bowed or warped material against the fence. Fig. 36 Fig. 35 OPERA TION 1 5 2 0 2 5 3 0 3 5 4 0 4 5 1 0 WIDE BOARD CLAMPING WIDE WORKPIECES See Figure 36. When cutting wide workpieces, such as 2 in. x 6 in., boar ds should be clamped with[...]

31 WARNING: When servicing, use only identical replacement parts. Use of any other part may create a hazard or cause product damage. WARNING: Always wear safety goggles or safety glasses with side shields during power tool operation or when blowing dust. If operation is dusty , also wear a dust mask. GENERAL MAINTENANCE Avoid using solvents when cl[...]

32 MAINTENANCE CHANGING THE BA TTERIES IN THE LASER See Figure 38.  Unplug the saw .  Rotate and hold lower blade guard up.  Using the he x ke y (1 /16 in.) pr ovided, loos en and r emove the screw from the battery compartment then separate the cover from the laser guide.  Lower the blade guard.  Remove the three button cell batterie[...]

33 W ARRANTY Pro of of pu rch as e m us t b e pre se n te d wh en requ e st in g warranty 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[...]

34 CUSTOMER SERVICE INFORMA TION For parts or service, contact your near est 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[...]