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Craftsman 21239 - 12 in. Sliding Compound Miter Saw User Manual

Craftsman 21239 - 12 in. Sliding Compound Miter Saw
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Operator's Manual
®
12 in. SLiDiNG COMPOUND
MITER SAW WiTH LASER TRAC ®
Model No. 137.212390
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C us
CAUTION:
Before using this Miter Saw,
read this manual and follow
all its Safety Rules and
Operating Instructions
Safety Instructions
Installation
Operation
Maintenance
Parts List
Customer Help Line
For Technical Support
1-800-843-1682
Sears Parts &
Repair Center
1-800-488-1222
Sears, Roebuck and Co., Hoffman Estates, IL 60179 USA
Visit our Craftsman website: www.sears.comlcraftsman
Part No. 137212390001 Printed in China
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Craftsman 21239 - 12 in. Sliding Compound Miter Saw Specifications

General IconGeneral
Blade Size12 in.
TypeSliding Compound Miter Saw
Motor Power15 Amp
Bevel Capacity45°
Weight45.4 lbs
Voltage120V
Arbor Size1 in.
Sliding FunctionYes
Dust CollectionYes
Miter Capacity50°
No Load Speed3800 RPM
Bevel Range0° - 45°

Summary

Warranty

Product Specifications

Symbols

Power Tool Safety

Compound Miter Saw Safety

Electrical Requirements

Power Supply and Motor Specifications

Details about the saw's power supply and motor.

Accessories and Attachments

Recommended Accessories

Lists accessories recommended by the manufacturer for the miter saw.

Accessories

Information on where to purchase recommended accessories for the power tool.

Tools Needed for Assembly

Carton Contents

Know Your Sliding Miter Saw

Glossary of Terms

Woodworking Terms

Defines common terms used in woodworking and with the miter saw.

Assembly and Adjustments

Installing the Miter Handle

Steps to attach the miter handle to the miter table.

Unlocking the Slide Carriage

Instructions for unlocking the slide carriage for transport or storage.

Saw Blade Wrench

Details on storing the saw blade wrench.

Releasing Cutting Head

Procedure for releasing the cutting head for adjustments or operation.

Locking

How to lock the cutting head for transport or storage.

Installing the Exhaust Port and the Dust Bag

Steps to attach the dust bag to the exhaust port.

Installing the Hold-Down Clamp

Removing and Installing the Table Insert

Mounting the Miter Saw

Removing or Installing the Blade

Removing Blade

Step-by-step guide for safely removing the saw blade.

Installing Blade

The Laser Beam

Information on the Laser Trac® cutting guide and its operation.

Bevel Stop Adjustment

90° (0°) Bevel adjustment

How to adjust the saw's bevel angle to 90 degrees.

45° Bevel Adjustment

How to adjust the saw's bevel angle to 45 degrees.

33.9° Bevel Adjustment

How to adjust the saw for a 33.9-degree bevel cut.

90° Bevel Pointer Adjustment

How to adjust the bevel indicator pointer for the 90-degree setting.

Miter Angle Adjustment

How to set and adjust the miter angle of the saw.

Miter Scale Indicator Adjustment

Adjusting Fence Squareness

Adjusting Cutting Depth

Sliding the Rear Extension Support Bar

Operation

Safety Instructions for Basic Saw Operation

Essential safety guidelines for operating the miter saw.

Before Using the Miter Saw

Pre-operation checks and preparations for safe use.

Before Each Use Inspect Your Saw

Procedures for inspecting the saw before each use.

Keep All Guards in Place

Ensures guards are maintained for safe operation.

Recommended Accessories

Guidance on choosing and using accessories for the saw.

Keep Your Work Area Clean

Importance of maintaining a clean workspace for safety.

Plan Your Work

Dress for Safety

Inspect Your Workpiece

Do Not Over-Reach

Use Extra Caution with Large or Odd Shaped Workpieces

When Saw is Running

Body and Hand Position

Basic Saw Operations

Turning the Saw On

Instructions on how to start the miter saw safely.

Sliding Fence & Remove Sliding Fence

How to adjust and remove the sliding fence.

Miter Cut

Sliding Carriage System

Before Leaving the Saw

Bevel Cut

Compound Cut

33.9° Bevel Stop for Crown Molding

Slide Cutting Wide Boards Up to 12-1/4 in. Wide

Workpiece Support and Repetitive Cutting Using the Stop Plate

Cutting Bowed Material

Cutting Base Molding

Bevel/Miter Settings

Maintenance

Replacing Carbon Brushes

Step-by-step instructions for replacing worn carbon brushes.

Lower Blade Guard

Information regarding the lower blade guard's function and maintenance.

Sawdust

How to manage sawdust accumulation for proper operation.

Lubrication

Guidance on lubricating specific parts of the saw.

Troubleshooting Guide

Troubleshooting Guide - Motor

Common motor problems and their solutions.

Troubleshooting Guide - Saw Operation

Solutions for common operational issues encountered with the saw.

Parts List

Parts List for Saw Schematic A

List of parts for schematic A, including I.D., description, size, and quantity.

Parts List for Saw Schematic B

Parts List for Motor

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