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Lenovo B41-80
Hardware Maintenance Manual
General safety
Follow the following rules to ensure general safety:
• Observe a good housekeeping in the area where the machines are put during
• When lifting any heavy object:
• Do not perform any action that causes hazards to the customer, or that makes
• Before you start the machine, make sure that other service representatives
• Please remove covers and other parts in a safe place, away from all personnel,
• Keep your tool case away from walk areas so that other people will not trip it
• Do not wear loose clothing that can be trapped in the moving parts of the
• Insert the ends of your necktie or scarf inside clothing or fasten it with the
• Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for
• Wear safety glasses when you are hammering, drilling, soldering, cutting
• After service, reinstall all safety shields, guards, labels, and ground wires.
• Reinstall all covers correctly before returning the machine to the customer.
• Fan louvers on the machine help to prevent the overheating of internal
2
and after the maintenance.
1. Make sure that 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
to lift it.
4. Lift it by standing or pushing up with your leg muscles; this action could
avoid the strain from the muscles in your back. Do not attempt to lift any
object that weighs more than 16 kg (35 lb) or that you think is too heavy for
you.
the machine unsafe.
and the customer are not in a hazardous position.
while you are servicing the machine.
over.
machine. Make sure that your sleeves are fastened or rolled up above your
elbows. If your hair is long, fasten it.
nonconductive clip, about 8 centimeters (3 inches) from the end.
your clothing.
Attention: Metal objects are good electrical conductors.
wire, attaching springs, using solvents, or working in any other conditions
that may be hazardous to your eyes.
Replace any safety device that is worn or defective.
components. Do not obstruct fan louvers or cover them with labels or
stickers.
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