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Ryobi MS180 Operator's Manual

8-1/4 in. (209.6 mm) cordless compound miter saw
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THANK YOU FOR BUYING A RYOBI CORDLESS COMPOUND MITER SAW.
Your new saw has been engineered and manufactured to Ryobi's high standards for dependability, ease of operation,
and operator safety. Properly cared for, it will give you years of rugged, trouble-free performance.
CAUTION: Carefully read through this entire operator's manual before using your new saw.
Pay close attention to the Rules for Safe Operation, Warnings, and Cautions. If you use your saw properly and only
for what it is intended, you will enjoy years of safe, reliable service.
Please fill out and return the Warranty Registration Card so we can be of future service to you.
Thank you again for buying Ryobi tools.
SAVE THIS MANUAL FOR FUTURE REFERENCE
OPERATOR'S MANUAL
8-1/4 in. (209.6 mm) Cordless
Compound Miter Saw
Model MS180

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Summary of Contents for Ryobi MS180

  • Page 1 THANK YOU FOR BUYING A RYOBI CORDLESS COMPOUND MITER SAW. Your new saw has been engineered and manufactured to Ryobi's high standards for dependability, ease of operation, and operator safety. Properly cared for, it will give you years of rugged, trouble-free performance.

  • Page 2: Product Specifications

    Your saw has many features for making cutting operations more pleasant and enjoyable. Safety, performance and dependability have been given top priority in the design of this saw making it easy to maintain and operate. PRODUCT SPECIFICATIONS Blade Diameter 8-1/4 in.

  • Page 3: Rules For Safe Operation

    REMOVE ADJUSTING KEYS AND WRENCHES. Get in the habit of checking to see that hex keys and adjusting wrenches are removed from tool before turning on saw. ■ KEEP THE WORK AREA CLEAN. Cluttered work areas and work benches invite accidents.
  • Page 4 ■ ALWAYS SUPPORT LONG WORKPIECES to minimize risk of blade pinching and kickback. Saw may slip, walk, or slide while cutting long or heavy boards. ■ BEFORE MAKING A CUT, BE SURE ALL ADJUSTMENTS ARE SECURE.

  • Page 5: Important Safety Rules For Battery Tools

    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. ■...
  • Page 6 RULES FOR SAFE OPERATION 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.
  • Page 7 Important: Some of the following symbols may be used on your 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 Minutes Alternating Current Direct Current No Load Speed...

  • Page 8: Glossary Of Terms For Woodworking

    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. Throat Plate A plastic throat plate inserted in the miter table that allows for blade clearance.

  • Page 9: Tools Needed

    Although small, this saw is heavy. To avoid back injury, get help when needed. The following tools (not included) are needed for checking adjustments of your saw or for installing the blade: FRAMING SQUARE UNPACKING ■ Do not discard the packing materials until you...

  • Page 10: Loose Parts List

    The following items are included with your Compound Miter Saw: ■ Carbide Tipped Saw Blade - 8-1/4 in. (209.6 mm) ■ Dust Bag ■ Dust Guide ■ Blade Wrench BLADE WRENCH DUST GUIDE DUST BAG WARNING: The use of attachments or accessories not listed can or could be hazardous and cause serious personal injury.

  • Page 11: Battery Pack And Charging Information

    Refer to "Charging Battery Pack" for normal recharging of batteries. If the charger does not charge your battery pack under normal circumstances, return both the battery pack and charger to your nearest Ryobi Authorized Service Center for electrical check. BATTERY CHARGER RED LIGHT "ON"...

  • Page 12: Know Your Compound Miter Saw

    8-1/4 in. (209.6 mm) BLADE A 8-1/4 in. (209.6 mm) saw blade is included with your compound miter saw. It will cut materials up to 2-1/16 in. (52.4 mm) thick or 5-1/2 in. (139.7 mm) wide, depending upon the thickness of the material and the setting at which the cut is being made.

  • Page 13: Carrying Handle

    6. To transport saw, remove battery pack, then lower the saw arm and lock it in the down position. Lock saw arm by depressing the lock pin.
  • Page 14 Four 3/8 in. (10 mm) bolt holes have been provided in the saw base for this purpose. Each of the four mounting holes should be bolted securely using 3/8 in. (10 mm) machine bolts, lock washers, and hex nuts (not included).

  • Page 15: Dust Guide

    A dust bag is packed with your saw. It fits over the exhaust port on the upper blade guard. To install it, remove the dust guide from the exhaust port. Then,...

  • Page 16: To Install Blade

    ■ Push down on the saw arm and pull out the lock pin to release saw arm. Raise saw arm to its full raised position. Be cautious, saw arm is spring loaded to raise.
  • Page 17 Always install the blade with the blade teeth and the arrow printed on the side of the blade pointing down at the front of the saw. The direction of blade rotation is also stamped with an arrow on the upper blade guard.

  • Page 18: Squaring The Miter Table To The Fence

    Failure to remove battery pack from your saw could result in accidental starting causing possible serious personal injury. ■ Push down on the saw arm and pull out the lock pin to release the saw arm. ■ Raise saw arm to its full raised position.

  • Page 19: Squaring The Saw Blade To The Fence

    23. Adjust FENCE MITER TABLE Fig. 22 ■ If the front or back edge of the saw blade angles away from the square as shown in figures 24 and 25, adjustments are needed. FENCE MITER TABLE...

  • Page 20: Squaring The Blade To The Miter Table

    Failure to remove battery pack from 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 BLADE position.
  • Page 21 ■ If the top or bottom of the saw blade angles away from the square as shown in figures 28 and 29, adjustments are needed. FENCE 22.5 MITER TABLE COMBINATION SQUARE VIEW OF BLADE NOT SQUARE WITH MITER TABLE, ADJUSTMENTS ARE REQUIRED FENCE 22.5...

  • Page 22: Travel 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 repaired at your nearest RYOBI AUTHORIZED SERVICE CEN- TER.

  • Page 23: Operation

    TO INSTALL BATTERY PACK See Figure 32. ■ Place battery pack in your saw. Align raised rib on battery pack with groove inside saw. DEPRESS LATCHES TO RELEASE BATTERY PACK ■...

  • Page 24: Cutting With Your Compound Miter Saw

    WORK CLAMP ° CROSSCUT TO CROSSCUT WITH YOUR MITER SAW: ■ Pull out the lock pin and lift saw arm to its full height. ■ Lift the miter table clamp. ■ Rotate the miter table until the pointer aligns with the desired angle on the miter scale.

  • Page 25: To Bevel Cut With Your Miter Saw

    SCALE MOUNTING BRACKET TO BEVEL CUT WITH YOUR MITER SAW: ■ Pull out the lock pin and lift saw arm to its full height. ■ Lift the miter table clamp. ■ Rotate the miter table until the pointer aligns with zero on the miter scale.

  • Page 26: To Make A Compound Cut With Your Miter Saw

    OPERATION TO MAKE A COMPOUND CUT WITH YOUR MITER SAW: ■ Pull out the lock pin and lift saw arm to its full height. ■ Lift the miter table clamp. ■ Rotate the miter table until the pointer aligns with the desired angle on the miter scale.

  • Page 27: Support Long Workpieces

    ■ 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 seconds for the blade to reach maximum speed.

  • Page 28: Cutting Compound Miters

    CUTTING COMPOUND MITERS To aid in making the correct settings, the compound angle setting chart below has been provided. Since com- pound 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 29: Cutting Crown Molding

    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.

  • Page 30: Cutting Warped Material

    The settings in the chart below can be used for cutting All Standard (U.S.) crown molding with 52° and 38° angles. The crown molding is placed flat on the miter table using the compound features of your miter saw. Bevel Angle...

  • Page 31: Maintenance

    Servicing requires extreme care and knowledge of the system and should be performed only by a qualified service technician. For service we suggest you return the tool to your nearest RYOBI AUTHORIZED SERVICE CENTER for repair. Always use original factory replacement parts when servicing.
  • Page 32 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 site at www.ryobitools.com for a complete list of Authorized Service Centers.

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