IBM 6826 Hardware Maintenance Manual

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Contents

Chapter 10. Related service informationNote: The service procedures are designed to help you isolate problems. They arewritten with the assumption that you have model-specific training on allcomputers, or that are familiar with the computers, functions, terminology,and service information provided in this manual.Safety informationThe following section contains the safety information that you need to be familiarwith before servicing an IBM computer.General safetyFollow these rules to ensure general safety:v Observe good housekeeping in the area of the machines during and aftermaintenance.v When lifting any heavy object:1. Ensure you can stand safely without slipping.2. Distribute the weight of the object equally between your feet.3. Use a slow lifting force. Never move suddenly or twist when you attempt tolift.4. Lift by standing or by pushing up with your leg muscles; this action removesthe strain from the muscles in your back. Do not attempt to lift any objects thatweigh more than 16 kg (35 lb) or objects that you think are too heavy for you.v Do not perform any action that causes hazards to the customer, or that makesthe equipment unsafe.v Before you start the machine, ensure that other service representatives and thecustomer’s personnel are not in a hazardous position.v Place removed covers and other parts in a safe place, away from all personnel,while you are servicing the machine.v Keep your tool case away from walk areas so that other people will not trip overit.v Do not wear loose clothing that can be trapped in the moving parts of amachine. Ensure that your sleeves are fastened or rolled up above your elbows.If your hair is long, fasten it.v Insert the ends of your necktie or scarf inside clothing or fasten it with anonconductive clip, approximately 8 centimeters (3 inches) from the end.v Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for yourclothing.Remember: Metal objects are good electrical conductors.v Wear safety glasses when you are: hammering, drilling soldering, cutting wire,attaching springs, using solvents, or working in any other conditions that mightbe hazardous to your eyes.v After service, reinstall all safety shields, guards, labels, and ground wires.Replace any safety device that is worn or defective.v Reinstall all covers correctly before returning the machine to the customer.© Copyright IBM Corp. 2001 109