IBM SAN Volume Controller 2145-CG8 Hardware Maintenance Manual page 16

v Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconducting clip,
approximately 8 cm (3 in.) from the end.
v Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for your clothing.
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 might be 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 after you have finished servicing the unit.
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IBM SAN Volume Controller Hardware Maintenance Guide