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Hitachi Koki Usa WH18DL Lithium Ion Cordless Impact Driver 18 Volt - Page 8 Questions & Answers
How to wiring the power cord to the F/R switch?
Will need more information: make, model, etc. A corded drill motor can be AC or DC. It can be variable speed on not. An AC motor can be reversed by changing the magnetic polarity of the start winding (switching the two start winding wires). This type of wiring in not usually variable speed. A DC motor is reversed by changing the electrical polarity of the primary motor leads. Usually these type of devices have a rectifier circuit to produce DC voltage and use a PWM signal to develop variable speed.
12/13/2021 10:38:20 AM •
Drills
•
Answered
on Dec 13, 2021
The neck where you pull down to put a drill bit in won't slide down any
Possibilities:
Grit or dirt has jammed the space inside, where the spring is.
If it overheated, plastic may have melted / warped, causing a jam.
Spring could have shifted out of its bed, also jamming the works.
Try:
Tap the top with a piece of wood or soft mallet.
Use a heat-gun on LOW setting or at distance to warm the collar.
Alternately, drill needs strip-down to remove and access the spring-loaded chuck.
11/15/2021 3:56:49 PM •
Drills
•
Answered
on Nov 15, 2021
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