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Ryobi MS181 - page 1
4 5 3 0 3 0 15 15 15 30 4 5 2 2 .5 31.62 2 2 . 5 2 2 . 5 3 1 .6 2 3 1 .6 2 R O T A T I O N 4 5 3 0 3 0 15 15 15 30 4 5 2 2 .5 31.62 2 2 . 5 2 2 . 5 3 1 .6 2 3 1 .6 2 R O T A T I O N OPERA T OR'S MANUAL 8-1/4 in. (209.6 mm) Cordless Compound Miter Saw Model MS181 THANK YOU FOR BUYING A RYOBI CORDLESS COMPOUND MITER SAW. Your new saw has been en ...
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Ryobi MS181 - page 2
Page 2 ■ Table of Contents and Introduction ............................................................................................. ..................... 2 ■ Product Specifications ......................................................................................................... ............................. 2 ■ Rules For Safe Op ...
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Ryobi MS181 - page 3
Page 3 READ ALL INSTRUCTIONS ■ KNOW YOUR POWER TOOL. Read the operator's manual carefully. Learn the saw's applications and limitations as well as the specific potential hazards related to this tool. ■ GUARD AGAINST ELECTRICAL SHOCK BY PREVENTING BODY CONTACT WITH GROUNDED SURFACES. For example; pipes, radiators, ranges, refrigerator ...
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Ryobi MS181 - page 4
Page 4 ■ NEVER LEAVE TOOL RUNNING UNAT- TENDED. REMOVE BATTERY PACK. Do not leave tool, move workpiece or make adjustments until it comes to a complete stop. ■ FIRMLY CLAMP OR BOLT your miter saw to a workbench or table at approximately hip height. ■ USE ONLY CORRECT BLADES. Do not use blades with incorrect size holes. Never use blade washers ...
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Ryobi MS181 - page 5
Page 5 RULES FOR SAFE OPERA TION ■ REPLACEMENT PARTS. All repairs, whether electrical or mechanical, should be made at your nearest authorized service center. ■ When servicing use only identical Ryobi replace- ment parts. Use of any other parts may create a hazard or cause product damage. ■ NEVER USE IN AN EXPLOSIVE ATMO- SPHERE. Normal spark ...
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Ryobi MS181 - page 6
Page 6 IMPORTANT SAFETY INSTRUCTIONS FOR CHARGER ■ SAVE THESE INSTRUCTIONS. This manual contains important safety and operating instructions for charger part number 1423701. ■ Before using charger, read all instructions and cautionary markings in this manual, on charger, and product using charger. ■ To reduce risk of injury, charge only nicke ...
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Ryobi MS181 - page 7
Page 7 SYMBOL NAME DESIGNATION/EXPLANATION V Volts Voltage A Amperes Current Hz Hertz Frequency (cycles per second) min Minutes Time Alternating Current Type or a characteristic of current --- Direct Current Type or a characteristic of current n 0 No Load Speed Rotational speed, at no load .../min Revolutions or Reciprocation Per Minute Revolutions ...
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Ryobi MS181 - page 8
Page 8 Arbor The shaft on which a blade or cutting tool is mounted. Bevel Cut A cutting operation made with the blade at any angle other than 90 ° to the miter table. Crosscut A cutting or shaping operation made across the grain of the workpiece. Compound Miter Cut A compound miter cut is a cut made using a miter angle and a bevel angle at the sam ...
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Ryobi MS181 - page 9
Page 9 Your Compound Miter Saw has been shipped completely assembled except for the battery pack, dust bag or dust guide. W ARNING: If any parts are missing, do not operate this tool until the missing parts are replaced. Failure to do so could result in possible serious personal injury . ■ Remove all loose parts from the carton. Separate and chec ...
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Ryobi MS181 - page 10
Page 10 R O T A T I O N ■ Carbide Tipped Saw Blade - 8-1/4 in. (209.6 mm) ■ Dust Bag ■ Dust Guide ■ Blade Wrench LOOSE P ARTS LIST W ARNING: The use of attachments or accessories not listed can or could be hazardous and cause serious personal injury. WORK CLAMP ■ Work clamp ■ 5 mm Hex Key ■ 6 mm Hex Key ■ Operator's Manual (Not ...
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Ryobi MS181 - page 11
Page 11 LED FUNCTION OF CHARGER See Figure 3. LED WILL BE LIGHTED TO INDICATE STATUS OF CHARGER AND BATTERY PACK: ■ Red LED lighted = Fast Charging Mode ■ Green LED lighted = Fully Charged Battery Pack ■ Yellow and Green LED Lighted = Control Charge or possible faulty battery. CHARGING BATTERY PACK The battery pack for this tool has been ship ...
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Ryobi MS181 - page 12
Page 12 3 0 1 5 0 1 5 3 0 4 5 3 1 .6 2 22.5 22.5 4 5 3 0 3 0 15 15 15 30 4 5 2 2 .5 31.62 22.5 22.5 3 1 .6 2 3 1 .6 2 R O T A T I O N 4 5 3 0 3 0 15 15 15 30 4 5 2 2 .5 31.62 22.5 22.5 3 1 .6 2 3 1 .6 2 R O T A T I O N KNOW YOUR COMPOUND MITER SAW See Figure 5. Before attempting to use your saw, familiarize yourself with all operating features and ...
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Ryobi MS181 - page 13
Page 13 Fig. 9 3 0 1 5 0 1 5 3 0 4 5 31.62 22.5 22.5 0 1 5 3 0 4 5 31.62 2 2 .5 FEA TURES CARRYING HANDLE See Figure 6. For convenience when carrying or transporting your miter saw from one place to another, a carrying handle has been provided on top of the saw arm as shown in figure 6. To transport saw, remove battery pack, then lower the saw arm ...
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Ryobi MS181 - page 14
Page 14 FEA TURES Fig. 10 DETENT STOPS ON MITER TABLE Detent stops have been provided at 0 ° , 22-1/2 ° , 30 ° , and 45 ° . The 22-1/2 ° , 30 ° and 45 ° detent stops have been provided on both the left and right side of the miter table. BEVEL LOCK KNOB The bevel lock knob securely locks your compound miter saw at desired bevel angles. Positi ...
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Ryobi MS181 - page 15
Page 15 WORK CLAMP See Figure 14. ■ Remove battery pack from saw. W ARNING: Failure to remove battery pack from your saw could result in accidental starting causing possible serious personal injury. To install work clamp, place the shaft of the clamp in either hole in front of the miter table base. Rotate the knob on the clamp to move it in or ou ...
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Ryobi MS181 - page 16
Page 16 R O T A T I O N ADJUSTMENTS TO INSTALL BLADE See Figures 15, 16, 17 and 18. DANGER: A 8-1/4 in. (209.6 mm) blade is the maximum blade capacity of your 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 wi ...
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Ryobi MS181 - page 17
Page 17 ADJUSTMENTS ■ Depress the spindle lock button and rotate the blade bolt until the spindle locks. See Figure 18. ■ Using the blade wrench provided, loosen and remove the blade bolt. Note: The blade bolt has left hand threads. Turn blade bolt clockwise to loosen. ■ Remove outer blade washer. Do not remove inner blade washer. ■ Wipe a ...
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Ryobi MS181 - page 18
Page 18 0 1 5 3 0 4 5 1 5 3 0 4 5 31.62 22.5 3 1 .6 2 Note: Many of the illustrations in this manual show only portions of your compound miter saw. This is intentional so that we can clearly show points being made in the illustrations. Never operate your saw without all guards securely in place and in good operating condition. SQUARING THE MITER TA ...
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Ryobi MS181 - page 19
Page 19 4 5 3 0 1 5 0 15 2 2 .5 30 45 4 5 31.62 22.5 31.62 45 3 0 15 0 1 5 22 .5 30 4 5 4 5 31.62 22.5 3 1 .6 2 ADJUSTMENTS SQUARING THE SAW BLADE TO THE FENCE See Figures 23 – 26. ■ Remove battery pack from saw. W ARNING : Failure to remove battery pack from your saw could result in accidental starting causing possible serious personal injury. ...
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Ryobi MS181 - page 20
Page 20 45 30 1 5 0 15 2 2 .5 30 45 4 5 3 1 .6 2 22.5 31.62 4 5 3 0 3 0 15 15 5 22.5 22.5 3 1 .6 2 3 1 .6 2 R O T A T I O N 4 5 3 0 3 0 15 15 5 22.5 22.5 3 1 .6 2 3 1 .6 2 R O T A T I O N 45 3 0 1 5 0 15 2 2 . 5 30 45 4 5 31.62 22.5 31.62 ADJUSTMENTS ■ Using the 6 mm hex key provided, loosen the socket head screws that secure the mounting bracket ...
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Ryobi MS181 - page 21
Page 21 15 3 0 ADJUSTMENTS Fig. 29 VIEW OF BLADE NOT SQUARE WITH MITER TABLE, ADJUSTMENTS ARE REQUIRED Fig. 28 VIEW OF BLADE NOT SQUARE WITH MITER TABLE, ADJUSTMENTS ARE REQUIRED Fig. 30 MITER TABLE POSITIVE STOP ADJUSTMENT SCREW FOR 45 ° ANGLES ■ Retighten bevel lock knob. Next, retighten lock nut securing the positive stop adjustment screw. Re ...
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Ryobi MS181 - page 22
Page 22 ■ Use the 5 mm hex key provided to adjust the depth stop adjustment screw. The saw blade is lowered by turning the screw counterclockwise and raised by turning the screw clockwise. ADJUSTMENTS Fig. 31 HEX NUT BEVEL LOCK KNOB DEPTH STOP ADJUSTMENT SCREW MITER TABLE PIVOT ADJUSTMENTS Note: These adjustments were made at the factory and norm ...
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Ryobi MS181 - page 23
Page 23 3 0 4 5 31.62 OPERA TION W ARNING: 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 possible serious injury. After all parts have been assembled properly and adjustments have been made to saw, battery pack can now be attach ...
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Ryobi MS181 - page 24
Page 24 CUTTING WITH YOUR COMPOUND MITER SAW W ARNING: When using a work clamp or C-clamp to secure your workpiece, clamp workpiece on one side of the blade only. The workpiece must remain free on one side of the blade to prevent the blade from binding in workpiece. The workpiece binding the blade will cause motor stalling and kickback. This situat ...
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Ryobi MS181 - page 25
Page 25 15 30 4 5 3 0 3 0 1 5 1 5 15 3 0 4 5 22.5 31.62 2 2 . 5 2 2 . 5 3 1 . 6 2 3 1 .6 2 OPERA TION BEVEL CUT See Figures 34 and 35. A bevel cut is made by cutting across the grain of the workpiece with the blade angled to the fence and miter table. A bevel cut is made with the miter table set at the zero degree position and the blade set at an a ...
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Ryobi MS181 - page 26
Page 26 4 5 3 0 1 5 0 1 5 3 0 4 5 31.62 22.5 22.5 31.62 OPERA TION COMPOUND MITER CUT See Figures 36 and 37. 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. To make this type of c ...
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Ryobi MS181 - page 27
Page 27 4 5 3 0 3 0 15 15 15 30 4 5 22.5 3 1.62 22 .5 22 .5 3 1 . 6 2 3 1 . 6 2 OPERA TION ■ 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. ■ Grasp the saw handle firmly, depress the lock-off button, then squeeze the switch trigger. Allow sev- eral second ...
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Ryobi MS181 - page 28
Page 28 4 PITCH OF SIDE NUMBER OF SIDES 0 ° 6 M- 45.00 ° B- 0.00 ° 5 ° 10 ° 15 ° 20 ° 25 ° 30 ° 35 ° 40 ° 45 ° 50 ° 55 ° 60 ° 65 ° 70 ° 75 ° 80 ° 85 ° 90 ° 5 7 89 10 M- 36.00 ° B- 0.00 ° M- 30.00 ° B- 0.00 ° M- 25.71 ° B- 0.00 ° M- 22.50 ° B- 0.00 ° M- 20.00 ° B- 0.00 ° M- 18.00 ° B- 0.00 ° Each B (Bevel) and M (Mit ...
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Ryobi MS181 - page 29
Page 29 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 com- pound mitered with extreme accuracy. The two contact surfaces on a piece of crown molding that f ...
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Ryobi MS181 - page 30
Page 30 When cutting crown molding by this method the bevel angle should be set at 33.85 ° . The miter angle should be set at 31.62 ° either right or left, depending on the desired cut for the application. See the chart below for correct angle settings and correct positioning of crown molding on miter table. The settings in the chart below can be ...
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Ryobi MS181 - page 31
Page 31 MAINTENANCE W ARNING: When servicing, use only identical Ryobi replacement parts. Use of any other part may create a hazard, cause product damage or create a risk of serious personal injury. Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged ...
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Ryobi MS181 - page 32
983000-075 6-03 • SER VICE Now that you have purchased your tool, should a need ever exist for repair parts or service, simply contact your nearest Ryobi Authorized Service Center. Be sure to provide all pertinent facts when you call or visit. Please call 1-800-525-2579 for your nearest Ryobi Authorized Service Center. You can also check our web ...
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