How to Diagnose a Bad Power Cord or Switch
This article outlines the basics of power tool and appliance electrical diagnosis. You can use a multimeter to test tool and appliance cords and switches, the two parts usually responsible for electri...
How to Remove an Armature Bearing with a Vise
This article explains one backup method for removing armature bearings when a bearing puller isn't available.
Electric Power Tool Parts 101
This article defines the basic parts of most power tools, explains how they work, and what to look for when they stop working.
Diagnosing Electric Power Tools 101
This article is a troubleshooting guide for problems and malfunctions common to most electric power tools.
Discussion for the Hitachi CJ65 Jig Saw