7-1/4 IN. SLIDING COMPOUND MITER SAW INSTRUCTION MANUAL CATALOG NUMBER SM1850BD Thank you for choosing Black+Decker! PLEASE READ BEFORE RETURNING THIS PRODUCT FOR ANY REASON. If you have a question or experience a problem with your Black+Decker purchase, go to http://www.blackanddecker.com/instantanswers If you can’t find the answer or do not have access to the Internet, call...
SAFETY GUIDELINES - DEFINITIONS It is important for you to read and understand this manual. The information it contains relates to protecting YOUR SAFETY and PREVENTING PROBLEMS. The symbols below are used to help you recognize this information. Indicates an imminently hazardous situation which, if not avoided, will DANGER result in death or serious injury.
protection used for appropriate e) Maintain power tools. Check conditions will reduce personal for misalignment or binding of injuries. moving parts, breakage of parts c) Prevent unintentional starting. and any other condition that may Ensure the switch is in the off affect the power tool’s operation.
• TIGHTEN ALL CLAMP HANDLES, at high speeds, causing serious injury. knobs and levers prior to operation. • NEVER REACH AROUND OR Loose clamps can cause parts or the BEHIND THE SAW BLADE. A blade workpiece to be thrown at high speeds. can cause serious injury.
• CLEAN THE MOTOR AIR SLOTS of WARNING Some dust created by chips and sawdust. Clogged motor power sanding, sawing, grinding, air slots can cause the machine to drilling, and other construction overheat, damaging the machine and activities contains chemicals known to possibly causing a short which could the State of California to cause cancer, cause serious injury.
ELECTRICAL WARNING Double insulation does REQUIREMENTS AND not take the place of normal safety SAFETY precautions when operating this tool. To avoid electrocution: POWER SUPPLY AND MOTOR • Use only identical replacement parts SPECIFICATIONS when servicing a tool with double The AC motor used in this saw is a insulation.
• Most motor troubles may be traced CAUTION In all cases make certain to loose or incorrect connections, the receptacle in question is properly overload, low voltage or inadequate grounded. If you are not sure, have a certified electrician check the power supply wiring.
GUARD – Protective devise that forms FREEHAND – Performing a cut without a barrier between a hazardous object using a fence (guide), hold down or other such as a blade, wheel or cutter and the proper device to prevent the workpiece operator.
SYMBOLS Your power tool and its Operator’s Manual may contain “WARNING ICONS” (a picture symbol intended to alert you to, and/or instruct you how to avoid a potentially hazardous condition). Understanding and heeding these symbols will help you operate your tool better and safer. Shown below are some of the symbols you may see.
CARTON CONTENTS 1) Carefully remove the miter saw from the carton. 2) Separate and layout all of the parts. Carefully check them according to the diagram below. WARNING If any part is missing or damaged, please do not plug in or use the miter saw until replacements have been obtained.
TOOLS NEEDED FOR ASSEMBLY AND ASSEMBLY ADJUSTMENTS WARNING • To avoid injury, do not connect this Supplied Not Supplied miter saw to the power source until it is completely assembled and adjusted, and you have read and understood this Operator’s Manual. •...
Unlocking INSTALLING THE DUST BAG • Push down slightly on the switch (FIGURE C) • Squeeze the metal collar wings of the handle (1). dust bag (1). • Pull out the hold-down latch (2). • Place the dust bag neck opening •...
INSTALLING THE HOLD-DOWN CLAMP UNLOCKING THE SLIDE CARRIAGE (FIGURE F) (FIGURE H) • Loosen the locking screw (1) by using a After removing the saw from the carton, Phillips screwdriver from the rear side loosen the slide carriage lock knob (1). of the saw base.
NOTE: Pay attention to the pieces • Locate the arbor lock (5) below motor removed, noting their position and lower cover. (Figure J) direction they face. Wipe the blade • Press the arbor lock, holding it in firmly collars clean of any sawdust before while turning the blade clockwise.
• Lower the blade guard (1) and verify • To prevent binding and inaccuracy, the operation of the guard does not bind be sure the mounting surface is not or stick (Figure I). warped or otherwise uneven. If the • Be sure the arbor lock (5) is released saw rocks on the surface, place a so the blade turns freely by spinning the thin piece of material under one saw...
3/4 Inch plywood BEVEL STOP ADJUSTMENTS (FIGURE N, O, P) WARNING To avoid injury from unexpected starting or electrical shock, make sure the trigger is released and remove the power cord from the power source. 90°(0°) Bevel adjustment (Figure N) •...
• If the blade is not at 45° to the miter MITER SCALE POINTER ADJUSTMENT table, tilt the cutting arm to the right, (FIGURE Q) loosen the locknut (8) on the bevel • Move the table to the 0° positive stop. angle adjustment bolt (9) and use a •...
SETTING CUTTING DEPTH (FIGURE S) OPERATING INSTRUCTION The depth of cut can be preset for even BEFORE USING THE MITER SAW and repetitive shallow cuts. WARNING • Adjust the cutting head down (See • To reduce the risk of injury, turn CUTTING HEAD section) until the teeth unit off and disconnect it from of the blade are at the desired depth.
• Function of arm return spring and KEEP YOUR WORK AREA CLEAN lower guard: Push the cutting arm Cluttered areas and benches invite accidents. all the way down, then let it rise until it stops. The lower guard should To avoid burns or other WARNING fully close.
• Noise levels vary widely. To avoid • Never use another person as a possible hearing damage, wear ear substitute for a table extension, or as an plugs when using any miter saw. additional support for a workpiece that • For dusty operations, wear a dust mask is longer or wider than the basic miter along with safety goggles.
WHEN SAW IS RUNNING Before freeing jammed material: • Release trigger switch. WARNING Do not allow familiarity • Wait for all moving parts to stop. from frequent use of your miter saw to • Unplug the miter saw. result in a careless mistake. A careless fraction of a second is enough to cause a severe injury.
AUTOMATIC ELECTRIC BRAKE (FIGURE X) WARNING For your convenience, your saw has a blade brake. The brake is not a safety device. Never rely on it to replace the proper use of the guard on your saw. If the blade does not stop within approximately 10 seconds, wait for the blade to stop, unplug the saw and check the Troubleshooting on page...
COMPOUND CUT (FIGURE BB) A compound cut is the combination of a miter and a bevel cut simultaneously. • Loosen the bevel lock handle (1) and position the cutting head at the desired bevel position. Lock the bevel lock handle. •...
To Slide Cut Wide Boards • Unlock the carriage lock handle (1) and allow the cutting head assembly to move freely. • Set both the desired bevel angle and/or the miter angle and lock into position. • Use a hold down clamp to secure the workpiece.
WORKPIECE SUPPORT (FIGURE FF) CUTTING BASE MOLDING Long pieces need extra support. The (FIGURE HH) support should be placed under the Base moldings and many other moldings workpiece. Keep your hand holding the can be cut on a compound miter saw. workpiece positioned 6 in.
outside corner, lay the molding with its broad back surface flat on the saw table. When setting the bevel and miter angles for compound miters, remember that the settings are interdependent; changing one changes the other, as well. Workpiece Miter saw table Settings for standard crown molding lying flat on compound miter saw table.
Bevel/Miter Settings NOTE: The chart below references a compound cut for crown molding ONLY WHEN THE ANGLE BETWEEN THE WALLS EQUALS 90°. BEVEL MITER TYPE OF CUT SETTING SETTING Inside corner-Left side 33.9° 31.6° Right 1. Position top of molding against fence. 2.
reverse the procedure. The ears on the MAINTENANCE metal end of the assembly go in the same WARNING hole the carbon part fits into. Tighten the • To reduce the risk of injury, turn cap snugly, but do not overtighten. unit off and disconnect it from NOTE: To reinstall the same brushes, first power source before installing...
This warranty gives you specific legal LUBRICATION rights and you may have other rights which All the motor bearings in this tool are lubricated with a sufficient amount of high vary from state to state or province to province. Should you have any questions, grade lubricant for the life of the unit under contact the manager of your nearest normal operating conditions;...
TROUBLESHOOTING MOTOR Problem Possible Cause Possible Solution • Inspect/clean/replace brushes. • Brake does • Motor brushes not sealed or not stop blade lightly sticking. See MAINTENANCE section. within 10 • Motor brake overheated from • Use a recommended blade. Let seconds.
TROUBLESHOOTING SAW OPERATION Problem Possible Cause Possible Solution • Blade hits • Misalignment. • See ADJUSTMENT -Setting table. Cutting Depth section. • Angle of cut • Miter table unlocked. • See OPERATION - Miter Angle not accurate. • Sawdust under table. Adjustment section.
PARTS LIST 7-1/4 IN. COMPOUND MITER SAW MODEL NO. SM1850BD PARTS LIST - MITER SAW - (1) I.D. Description Size Q’ty I.D. Description Size Q’ty 083Z CORD CLAMP 2CD7 SPRING PIN 091S COMPRESSION SPRING 2EYV SPRING PIN 0B5N COMPRESSION SPRING...