1269 User Manual
Maintenance 7-1
Chapter 7
MAINTENANCE
What’s In This
Chapter
This chapter provides procedures for inspecting and cleaning
the 1269, removing and replacing mainframe components,
and isolating problems to the module level. Refer to
Chapter 6
Understanding The 1269
for theory of operation information.
Service Strategy
The service procedures in this manual provide removal and
replacement procedures to repair the 1269 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.
Service Interval
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.
Preparation
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 1269
for information on the location of controls,
indicators, and connectors used with the mainframe.
CAUTION
Many components within the mainframe are
susceptible to static discharge damage. Service the
mainframe only in a static-free environment. Observe
standard handling precautions for static-sensitive
devices while servicing the mainframe. Always wear a
grounded wrist strap, or equivalent, while servicing the
mainframe.
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