4-16. REPAIR. Continued
b. Repair Precautions
Remove power from dra before repair. Serious burns or electrical shock can result from contact
with exposed electrical wires or connectors.
l Static electricity and stray voltages can damage the dra modules. Use an antistatic pad on
the work surface and attach a grounded wrist strap to self before removing access cover.
l When replacing circuit cards or assemblies, care must be taken not to bend, break, or
damage connector pins. Ensure connector pins align with backplane jack before pushing
any circuit card or module assembly into place. Bent or broken pins can result if improperly
aligned or if care is not taken during removal.