Your job
This router is being used to cut a rebate into a timber component. Because the operator is controlling the tool by hand, he can start and stop the rebate exactly where he wants to. But the only way he can ensure that he's always in control is to clamp the timber in position, use a 'fence' to guide the router, keep a firm grip at all times, and concentrate fully on what he's doing.
In this section, we'll look at the two most common sources of energy used by power tools – electricity and compressed air. We'll discuss the principles relating to their supply and use, and describe some routine procedures that should be followed to ensure that the power supply remains reliable and safe.
We'll also cover some general safe work practices that apply to all power tools, with particular reference to tools that have a rotary action. Remember, any tool has the potential to cause an injury, but power tools have several hazards that don't apply to simple hand tools. Firstly, they are generally much more powerful and much faster, so they produce reaction forces that can cause you to lose control if you're not extremely careful. Secondly, the power source itself is potentially dangerous if you come into direct contact with it. And thirdly, they often generate dust, sparks or flying particles that can cause serious problems if you don't take proper precautions.
So as you go through this section, think about the tools you use and the work practices you follow each day, and compare them to the procedures being presented here. If you think there's room for improvement in the way you handle your tools, make the changes wherever you can, or talk to your supervisor about any modifications that might require management approval.
Here's your job
- Have a look at the Task for this section to preview the questions you'll need to answer at the end.
- Work through the lesson for more detailed information on the concepts covered, and complete the learning activity at the end.
- Complete the Task. You can hear Paul's answers to these questions by going to the case study.
You'll find all of the links in the menu bar at left.