RIDGID R4121 User Manual

OPERATOR’S MANUAL
12 in. COMPOUND MITER SAW
WITH ADJUSTABLE LASER
Double Insulated
R4121
Your miter saw has been engineered and manufactured to our high standard for dependability, ease of operation, and
operator safety. When properly cared for, it will give you years of rugged, trouble-free performance.
WARNING:
To reduce the risk of injury, the user must read and understand the operator’s manual before using this product.
Thank you for buying a RIDGID® product.
SAVE THIS MANUAL FOR FUTURE REFERENCE

RIDGID R4121 Specifications

General

Brand	RIDGID
Model	R4121
Category	Saw
Language	English

Summary

General Safety Rules

Electrical

Double Insulation

Explains the safety concept of double insulation in electric power tools.

Extension Cords

Provides guidance on selecting and using appropriate extension cords for power tools.

Features

Product Specifications

Details the technical specifications of the miter saw, including blade size and motor power.

Laser Guide

Explains the laser guide feature for accurate cut alignment and use.

Bevel Lock Lever

Describes the function and operation of the bevel lock lever for adjusting cutting angles.

Assembly

Unpacking

Instructions for safely unpacking the miter saw and checking for damage.

Installing the Blade

Step-by-step instructions for safely installing or replacing the saw blade.

Aligning the Laser Guide Line

Procedures for aligning the laser guide line with the blade for precise cuts.

Operation

Applications

Lists the types of materials and cuts suitable for the miter saw.

To Miter Cut / Cross Cut

Detailed steps for making miter and cross cuts using the saw.

To Bevel Cut

Instructions for setting up and performing bevel cuts accurately.

To Compound Miter Cut

Explains how to perform cuts with both miter and bevel angles simultaneously.

Cutting Crown Molding

Guides on cutting crown molding, including angle settings and methods.

Maintenance

General Maintenance

Routine cleaning and care instructions for the miter saw.

Brush Replacement

Steps for checking and replacing motor brushes for continued operation.

Checking Motor Belt Tension and Replacing the Belt

Guidance on checking and adjusting motor belt tension and replacement.

Warranty

RIDGID® Hand Held and Stationary Power Tool 3 Year Limited Service Warranty

Details the terms and conditions of the 3-year limited service warranty.

How to Obtain Service

Provides instructions on how to get the tool serviced under warranty.

Customer Service Information