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Instruction Manual
748213-S
April 2002
Rosemount Analytical Inc. A Division of Emerson Process Management Replacement Parts 7-1
Model 755R
SECTION 7
REPLACEMENT PARTS
The following parts are recommended for rou-
tine maintenance and troubleshooting of the
Model 755R Oxygen Analyzer. If the trouble-
shooting procedures do not resolve the prob-
lem, contact Rosemount Analytical Customer
Service Center.
WARNING
PARTS INTEGRITY
Tampering or unauthorized substitution of
components may adversely affect safety of
this product. Use only factory-documented
components for repair.
7-1 CIRCUIT BOARD REPLACEMENT POLICY
In most situations involving a malfunction of a
circuit board, it is more practical to replace the
board than to attempt isolation and replace-
ment of the individual component. The cost of
test and replacement will exceed the cost of a
rebuilt assembly. As standard policy, rebuilt
boards are available on an exchange basis.
Because of the exchange policy covering cir-
cuit boards the following list does not include
individual electronic components. If circum-
stances necessitate replacement of an indi-
vidual component, which can be identified by
inspection or from the schematic diagrams,
obtain the replacement component from a lo-
cal source of supply.