User Manual

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20.2 Unit Replacement Procedure
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To avoid the danger of electric shock, never operate the unit with an
input unit removed. If you should wish to use the unit after removing an
input unit, fit a blank panel over the opening of the removed unit.
WARNIN
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To prevent electrical shock, before adding or replacing the input unit,
check that the power for the unit is off and the power cord, connector
cables and thermocouples are disconnected. The fixing screws must be
firmly tightened or the input unit may not function up to specification, o
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may even fail.
NOTE
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0.2 Unit Replacement Procedure
・The following procedure describes how to remove the input unit.
・Install the units by reversing the procedure for removal.
(1) Remove the connector cables from all input units.
(2) Power off the 8826 main unit, and disconnect the power cord.
(3) Remove the two fixing screws with a Phillips screwdriver, as shown in the
figure below.
(4) Grasp the handle or BNC connector and pull the unit out, as shown in the
illustration.
Do not measure with a blank panel removed. Otherwise, the unit internal
temperature becomes unstable and consequently the specifications are not
met.