Repairing The System; General Guidelines For Fru Removal And Replacement - DEC 4000 AXP Service Manual

This chapter describes the removal and replacement procedures for DEC 4000
AXP systems.
• Section 5.1 gives general guidelines for FRU removal and replacement.
• Section 5.2 covers FRUs accessed at the front of the system.
• Section 5.3 covers FRUs accessed at the rear of the system.
• Section 5.4 describes the backplane removal and replacement.
• Section 5.5 describes the types of repair data that should accompany returned
FRUs.
5.1 General Guidelines for FRU Removal and
Replacement
Use the illustrations in this chapter as the primary source of FRU removal
information. Text is provided for procedures or precautions that require
additional clarification.
Unless otherwise specified, you can install an FRU by reversing the steps in the
removal procedure.

Repairing the System

Repairing the System 5–1
5