Safety informationThe following section presents safety information withwhich you need to be familiar before you service an IBMmobile computer.General safetyFollow these rules to ensure general safety:v Observe good housekeeping in the area of themachines during and after maintenance.v When lifting any heavy object:1. Make sure that you can stand safely withoutslipping.2. Distribute the weight of the object equally betweenyour feet.3. Use a slow lifting force. Never move suddenly ortwist when you attempt to lift.4. Lift by standing or by pushing up with your legmuscles; this action removes the strain from themuscles in your back. Do not attempt to lift anyobject that weighs more than 16 kg (35 lb) or thatyou think is too heavy for you.v Do not perform any action that causes hazards to thecustomer, or that makes the equipment unsafe.v Before you start the machine, make sure that otherservice representatives and the customer’s personnelare not in a hazardous position.v Place removed covers and other parts in a safe place,away from all personnel, while you are servicing themachine.v Keep your toolcase away from walk areas so that otherpeople will not trip over it.v Do not wear loose clothing that can be trapped in themoving parts of a machine. Make sure that your sleevesare fastened or rolled up above your elbows. If your hairis long, fasten it.v Insert the ends of your necktie or scarf inside clothing orfasten it with a nonconductive clip, about 8 centimeters(3 inches) from the end.v Do not wear jewelry, chains, metal-frame eyeglasses, ormetal fasteners for your clothing.Attention: Metal objects are good electricalconductors.v Wear safety glasses when you are hammering, drilling,soldering, cutting wire, attaching springs, using solvents,or working in any other conditions that might behazardous to your eyes.Safety information16 R50/R50p, R51 Series