Chapter 7 Maintenance; What's In This Chapter; Service Strategy; Service Interval - Racal Instruments 1261B User Manual

1261B User Manual
What's In This
Chapter

Service Strategy

Service Interval

Preparation

Racal Instruments Ó 1995
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This chapter provides procedures for inspecting and cleaning the
1261B, removing and replacing mainframe components, and
isolating problems to the module level. Refer to Chapter 6
Understanding The 1261B for theory of operation information.
The service procedures in this manual provide removal and
replacement procedures to repair the 1261B to the module level.
Module level repairs are accomplished by exchanging faulty
modules with known good modules or parts. No component-level
repair is provided in this manual.
Clean the power supply filter and mainframe module fan filter at a
maximum interval of six months. Depending upon the amount of
usage and ambient dust levels in the operating environment, the
filters may require more frequent cleaning.
Clean dust from the mainframe exterior (and interior) as needed,
based on the operating environment. Periodic cleaning reduces
instrument breakdown and increases reliability.
The information in this section is designed for use by qualified
service personnel. Read the For Your Safety at the front of this
manual and Service Strategy before attempting any procedures
in this chapter. Refer to Chapter 3 Operating The 1261B for
information on the location of controls, indicators, and connectors
used with the mainframe.
Chapter 7
MAINTENANCE
Maintenance 7-1