RIDGID MS 1290 Owner's Manual
RIDGID MS 1290 Owner's Manual

RIDGID MS 1290 Owner's Manual

12 inch dual bevel slide compound miter saw
Table of Contents

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F o r Y o u r S a f e t y :
R e a d a l l i n s t r u c t i o n s c a r e f u l l y
S a v e t h i s m a n u a l f o r f u t u r e
r e f e r e n e c e
Part No. SP6463
M S 1 2 9 0
O W N E R S M A N U A L
1 2 I N C H D U A L B E V E L
S L I D E C O M P O U N D
M I T E R S A W
Printed in Taiwan

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Table of Contents

Troubleshooting

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Summary of Contents for RIDGID MS 1290

  • Page 1 M S 1 2 9 0 O W N E R S M A N U A L 1 2 I N C H D U A L B E V E L S L I D E C O M P O U N D M I T E R S A W F o r Y o u r S a f e t y : R e a d a l l i n s t r u c t i o n s c a r e f u l l y...
  • Page 2: Table Of Contents

    Table of Contents Section Page Section Page Table of Contents ...........2 Dress For Safety ..........24 Safety Instructions For Miter Saw ....3 Preparing to Make the Cut ......25 Safety Signal Words ........3 Whenever Saw Is Running ......26 Before Using The Saw .........3 Before Leaving The Saw: ......26 When Installing Or Moving The Miter Saw ..4 Basic Saw Operations ........27...
  • Page 3: Safety Instructions For Miter Saw

    Safety Instructions For Miter Saw Safety is a combination of common sense, staying alert and knowing how your miter saw works. Read this manual to understand this miter saw. Safety Signal Words WARNING: means if the safety infor- mation is not followed someone DANGER: means if the safety infor- could be seriously injured or killed.
  • Page 4: When Installing Or Moving The Miter Saw

    Safety Instructions for Miter Saws (continued) When Installing Or Moving The Miter Saw Before moving the saw, lock the porting the workpiece. miter, bevel, slide and power head • Support the miter saw so the table is positions. Unplug the power cord. level and the saw does not rock.
  • Page 5: To Reduce The Risk Of Injury From Jams, Slips Or Thrown Pieces

    If any part of this miter saw is missing, Maintain Tools With Care. Keep the bent, or broken in any way, or any miter saw clean for best and safest electrical parts don't work, turn the performance. Follow instructions for saw off and unplug it.
  • Page 6: Dress For Safety

    Safety Instructions for Miter Saws (continued) CAUTION: Because of the sliding action of this saw, this machine is not designed for cutting met- als. Use this miter saw to cut only wood and wood like prod- ucts. Other materials may shat- ter, bind on the blade, start fires or create other dangers.
  • Page 7: Plan The Way You Will Hold The Workpiece From Start To Finish

    Plan The Way You Will Hold The Workpiece From Start To Finish. • Avoid awkward operations and hand Use extra caution with large, very positions where a sudden slip could small or awkward workpieces: cause fingers or hand to move into •...
  • Page 8: Before Leaving The Saw

    Safety Instructions for Miter Saws (continued) Never confine the piece being cut Before freeing jammed material: off. Never hold it, clamp it, touch it, or • Turn miter saw “OFF” by releasing use length stops against it while the trigger switch. blade is spinning.
  • Page 9: Motor Specifications And Electrical Requirements

    Revolutions Per Minute (RPM) Workpiece The number of turns completed by a spin- The item on which the cutting operation is ning object in one minute. being performed. The surfaces of a work- piece are commonly referred to as faces, Sawblade Path ends, and edges.
  • Page 10: Motor Safety Protection

    Motor Specifications and Electrical Requirements (continued) Polarized Plug WARNING: Double insulation does not take the place of normal Your unit has a plug that looks like the one shown on next page. safety precautions when operat- ing this tool. To reduce the risk of electrical shock, this appliance has a polarized plug (one blade is wider than the other).
  • Page 11: Unpacking And Checking Contents

    Do not throw away B Workpiece Clamp ....... 1 any packaging until saw is put together. C Dust Bag ..........1 Check packaging for missing parts before D Dust Bag Frame........1 contacting RIDGID. A complete parts list E Owners Manual........1...
  • Page 12: Getting To Know Your Miter Saw

    Getting to Know Your Miter Saw 1. Warning Label saw at a desired bevel angle. 2. Upper Blade Guard - Supports the 11. Top Carrying Handle - Convenient motor, handle, switch, blade and lower way to transport saw. guard. 12. Slide Tube(s) - Allow the blade to slide 3.
  • Page 13: Assembly

    20. Switch Interlock Button - Prevents 23. Front Carry Handles - Convenient trigger switch from being accidentally way to transport the saw. engaged. 24. Workpiece Clamp - Helps to hold 21. On/Off Trigger Switch - To prevent workpiece in position for precise cut- the trigger from being accidentally ting.
  • Page 14 Assembly (continued) 6. Remove the arbor screw, arbor washer, outer blade collar, and the blade. NOTE: Pay attention to pieces removed, noting their position and direction they face (see illustration). Wipe the blade col- lars clean of any sawdust before installing the new blades.
  • Page 15: Assembling Dust Bag

    Assembling Dust Bag 1. Locate the dust bag frame and cloth dust bag. 2. Clip the dust bag frame in place on the slide tubes as shown. 3. Slide the cloth dust bag over the dust bag frame. 4. Connect the dust elbow to the dust port on the upper blade guard.
  • Page 16 Four Basic Saw Controls (continued) 2. Bevel lock lever/index pin To change the bevel setting of the Bevel Lock Lever blade: a. Pull the bevel lock lever forward. Then rotate the bevel index pin downward. This will allow the blade to be tilted and at the same time “by- pass”...
  • Page 17: Alignment (Adjustments)

    Alignment (Adjustments) WARNING: To reduce the risk of injury from unexpected starting or electrical shock, do not plug the saw in. The power cord must remain unplugged whenever you are working on the saw. Step One: Repositioning Zero Clear- ance Blade Insert The zero clearance blade insert needs to be repositioned so it is temporarily out of the way when aligning the blade.
  • Page 18 Alignment (Adjustments) (continued) Step Three: Blade Square to Fence (Miter Alignment) 1. Place the blade in the 0° miter index and lock the miter lock. 2. To check blade squareness to fence, lock powerhead in lower position. Use a combination square. Place the square against the fence and next to the blade as illustrated.
  • Page 19 Step Four: Blade Square to Table (Bevel Adjustment) 1. Place the saw in the 0° bevel index position and make sure bevel lock is disengaged. 2. Lower the blade and engage the head hold down. 3. Use a combination square to check that the blade is 90°...
  • Page 20: Miter Lock Lever Adjustment

    Alignment (Adjustments) (continued) Miter Lock Lever Adjustment With the blade set at an “unindexed” miter position (other than 0°, 15°, 22.5°, 31.6°, 45° and 60°) and the miter lock lever set in the “locked” position the locking action should feet tight and secure. Considerable effort should be required to move the table (blade).
  • Page 21: Bevel Pivot Movement/Adjustment

    Bevel Lock Lever Adjustment With the blade set at an “unindexed” bevel position (other than 0°, 22.5°, 33-7/8°, 45°) and the bevel lock lever set in the “locked” position the locking action should feel tight and secure. Considerable effort should be required to move the blade.
  • Page 22: Mounting The Miter Saw

    Mounting The Miter Saw WARNING: To reduce the risk of grip of the plastic handle. Car- injury from unexpected saw rying the tool by the power movement: cord could cause damage to a. Before moving the saw, unplug the insulation or the wire con- electric cord.
  • Page 23: Safety Instructions For Basic Saw Operations

    Safety Instructions for Basic Saw Operations stops by itself. Check the lower Before Each Use guard to see if it closed fully. If it did Inspect your saw. not, follow the instructions in the Disconnect The Miter Saw. To “Troubleshooting” section. reduce the risk of injury from acciden- •...
  • Page 24: Plan Ahead To Protect Your Eyes, Hands, Face And Ears

    Safety Instructions for Basic Saw Operations (con’t.) • Keep work area clean. Cluttered To reduce the risk of burns or other areas and benches invite accidents. fire damage, never use the miter saw Floor must not be slippery. near flammable liquids, vapors or gases.
  • Page 25: Preparing To Make The Cut

    Preparing to Make the Cut • Make sure no gaps between the workpiece, fence and table will let Inspect Your Workpiece. Make sure the workpiece shift after it is cut in there are no nails or foreign objects in two. the part of the workpiece to be cut.
  • Page 26: Whenever Saw Is Running

    Safety Instructions for Basic Saw Operations (con’t.) • Properly support round material causing the blade to "bite." To avoid such as dowel rods. They have a this, always use a fixture designed tendency to roll while being cut, to properly hold your workpiece. Whenever Saw Is Running WARNING: Don't allow familiarity Let the blade reach full speed...
  • Page 27: Basic Saw Operations

    Basic Saw Operations Making Common Slide Compound WARNING: For your convenient Cuts use, your saw has a blade brake. The brake is not a safety device. There are two types of cuts that can be Never rely on it to replace proper made with the slide compound miter saw;...
  • Page 28: Chop Cutting

    Basic Saw Operations (continued) Chop Cutting 1. Slide the cutting head to the rear as far as it will go. 2. Lock slide lock knob. 3. Position workpiece on table and against fence and secure with clamp as appro- priate. 4.
  • Page 29: Miter Cut

    Miter Cut lock lever before changing the miter angle. When a miter cut is required, move the saw to the desired angle. Move with the Miter Scale Usage handle to the miter angle to make the cut. Vernier Miter Scale Operation: There are settings on the miter scale for The Vernier miter scale can quickly and angles (degrees) and crown molding.
  • Page 30: Compound Cut

    Basic Saw Operations (continued) Compound Cut When a compound cut is required, select the desired bevel and miter positions. Cutting Compound Miters on Picture Frames and Boxes A compound miter is a cut requiring both a miter setting and bevel setting. A com- pound miter is used for making frames or boxes that have sloping sides and are wide at one end and narrow at the oppo-...
  • Page 31: Workpiece Clamp Usage

    Workpiece Clamp Usage WARNING: Avoid thrown - Always perform dry runs. Make workpieces. Avoid binding the sure the saw is unplugged. work against the blade: Completely set up your saw. - Always hold or clamp your Pull the blade and power head work down to the saw.
  • Page 32: Workpiece Support

    Basic Saw Operations (continued) Workpiece Support Long pieces need extra supports. The flat on the base and work table during the supports should be placed along the cutting operation. workpiece so the workpiece does not sag NOTE: When mounted on a large flat sur- and your hand holding the workpiece is face, the miter saw table is 4-1/2”...
  • Page 33: Rough Cutting A Dado

    Rough Cutting A Dado By using the depth adjustment cam it is possible to rough cut a dado as shown. Cut These Grooves On the outside of the depth adjustment With Saw cam are a series of marks. Use these marks as a reference to help set the blade to the correct cutting depth.
  • Page 34: Cutting Crown Moldings

    Basic Saw Operations (continued) Cutting Crown Moldings Your compound miter saw does an excel- lent job of cutting crown molding. How- ever, in order to fit properly, crown 38° molding must be cut with extreme accu- 52° racy. Miter Saw Table Miter Saw Table 1.Workpiece Lying 2.Workpiece Standing...
  • Page 35 Cutting Crown Molding Angled to the 4. Remove the wood fence and cut to this Table and Fence width. The advantage of cutting crown molding 5. Use small nails and glue to attach a top in this position is that no bevel setting is piece (typically 1/2 inch thick by 1-1/2 required.
  • Page 36 Basic Saw Operations (continued) Ceiling Compound Miter Saw Miter and Bevel Angle Settings Wall to Crown Molding Angle: 52/38 degrees Bevel Miter Bevel Miter Bevel Miter Wall Angle Wall Angle Wall Angle Angle Angle Angle Angle Angle Angle (deg.) (deg.) (deg.) (deg.) (deg.)
  • Page 37: Wall To Crown Molding Angle

    Ceiling Wall to Crown Molding Angle: 45 degrees Bevel Miter Bevel Miter Bevel Miter Wall Angle Wall Angle Wall Angle Angle Angle Angle Angle Angle Angle (deg.) (deg.) (deg.) (deg.) (deg.) (deg.) (deg.) (deg.) (deg.) 37.8 50.8 26.7 30.2 13.7 14.1 37.5 50.2...
  • Page 38: Maintenance And Lubrication

    Maintenance and Lubrication NOTE: To reinstall the same brushes, first Maintenance make sure the brushes go back in the way DANGER: Never put lubricants they came out. Otherwise a break-in on the blade while it is spinning. period will occur that will reduce motor WARNING: To reduce the risk of performance and increase brush wear.
  • Page 39: Lubrication

    Lubrication Ball Bearings All the motor bearings in this tool are lubri- Cover Plate cated with a sufficient amount of high Spacer grade lubricant for the life of the unit, Roller therefore, no further lubrication is required. Infrequent Lubrication as Required 1.
  • Page 40: Accessories

    Accessories Recommended Accessories Prohibited Accessories Item SKU No. WARNING: The use of any cut- Miter Saw Utility Vehicle ....AC9940 ting tool except 12" saw blades Do not use any accessory unless you which meet the requirement have received and read complete instruc- under recommended accesso- tions for its use.
  • Page 41: Troubleshooting Guide

    Troubleshooting Guide General Problem Probable Cause Suggested Corrective Action Blade hits table. 1. Misalignment 1. Get authorized Service. Angle of cut not accu- 1. Misalignment 1. See “Alignment” section. rate. Can’t move miter 1. Sawdust under 1. Vacuum or blow out dust. adjustment table Wear Eye Protection.
  • Page 42: Motor

    Troubleshooting Guide (continued) Motor Problem Probable Cause Suggested Corrective Action Brake does not stop 1. Brushes not seated 1. Inspect/clean/replace blade within 6 sec- or lightly sticking. brushes. See “Maintenance” onds. section. 2. Motor brake winding 2. Use only recommended overheated from blades/accessories.
  • Page 43: Notes

    Notes...
  • Page 44: Repair Parts

    Repair Parts Parts List For RIDGID 12" Slide Compound Miter Saw Model No. MS12900 RIDGID parts are available on-line at www.ridgidparts.com Figure 1...
  • Page 45 Repair Parts Parts List For RIDGID 12" Compound Miter Saw Model No. MS12900 RIDGID parts are available on-line at www.ridgidparts.com Figure 1 Always order by part number - not by key number Part No. Description Part No. Description 830122 Base/Table Asm (See Fig. 2)
  • Page 46 Repair Parts Parts List For RIDGID 12" Compound Miter Saw Model No. MS12900 RIDGID parts are available on-line at www.ridgidparts.com Figure 2 - Base/Table Assembly Always order by part number - Not by key number Part No. Description 818656 * Nut, Hex Lock M12 x 1.75 830137 * Washer, M12 x 20 x 1.5...
  • Page 47 Repair Parts Parts List For RIDGID 12" Compound Miter Saw Model No. MS12900 RIDGID parts are available on-line at www.ridgidparts.com Figure 3 - Table Assembly Always order by part number - Not by key number Part No. Description Part No.
  • Page 48 Repair Parts Parts List For RIDGID 12" Compound Miter Saw Model No. MS12900 RIDGID parts are available on-line at www.ridgidparts.com Figure 4 - Base Assembly Always order by part number - Not by key number Part No. Description 829997 Shim, Table 830166 * Screw, Flat M5 x 0.8 x 10...
  • Page 49 Repair Parts Parts List For RIDGID 12" Compound Miter Saw Model No. MS12900 RIDGID parts are available on-line at www.ridgidparts.com Figure 5 - Pivot Assembly Always order by part number - Not by key number Part No. Description Part No.
  • Page 50: Notes

    Repair Parts Parts List For RIDGID 12" Compound Miter Saw Model No. MS12900 RIDGID parts are available on-line at www.ridgidparts.com Figure 6 - Tube Pivot Assembly Always order by part number - Not by key number Part No. Description —...
  • Page 51 Repair Parts Parts List For RIDGID 12" Compound Miter Saw Model No. MS12900 RIDGID parts are available on-line at www.ridgidparts.com Figure 7 - Pivot Sub Assembly Always order by Part Number - Not by Key Number Part No. Description —...
  • Page 52 Repair Parts Parts List For RIDGID 12" Compound Miter Saw Model No. MS12900 RIDGID parts are available on-line at www.ridgidparts.com Figure 8 - Arm Guard Assembly ‡ Always order by part number - Not by key number Part No. Description Part No.
  • Page 53 Repair Parts Parts List For RIDGID 12" Compound Miter Saw Model No. MS12900 RIDGID parts are available on-line at www.ridgidparts.com • Figure 9 - Lower Guard Assembly ‡ Always order by part number - Not by key number Part No.
  • Page 54 Repair Parts Parts List For RIDGID 12" Compound Miter Saw Model No. MS12900 RIDGID parts are available on-line at www.ridgidparts.com • Figure 10 - Motor Assembly Always order by part number - Not by key number Part No. Description 830253 Motor (Includes Key Nos.
  • Page 55 Notes...
  • Page 56 What is covered RIDGID® tools are warranted to be free of defects in workmanship and material. How long coverage lasts This warranty lasts for the lifetime of the RIDGID® tool. Warranty coverage ends when the product becomes unusable for reasons other than defects in workmanship or material.

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