General Information 1-1
4023-001
1. General Information
Maintenance Approach
The diagnostic information in this manual leads you to the correct
field replaceable unit (FRU) or part. Use the error code charts,
symptom index, and service checks to determine the symptom and
repair the failure. You may find that the removals in the Repair
Information chapter will help you identify parts.
After you complete the repair, perform tests as needed to verify the
repair.
Tools
The removal and adjustment procedures described in this manual
require the following tools and equipment:
• Magnetic tip Phillips screwdrivers, large and small
• Flat-blade screwdrivers
• Analog volt ohmmeter (a digital volt ohmmeter may also be
used)
• Needle nose pliers
• Tweezers, C-ring pliers
When you make voltage readings, always use frame ground unless
another ground is specified.
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