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Servicing
Step POL Board Replacement
6-26
49iQPS Instruction Manual
Thermo Scientific
Use the following procedure to replace the Step POL Board.
Equipment required:
Torque screwdriver, T15 or Slot screwdriver, 3/16
1.
Turn instrument OFF, unplug power cord, and remove the cover
(
Figure 2–1
).
2.
Unplug Step POL power cable J4.
3.
Unplug Step POL signal cable J2.
4.
Unplug pump cable J7.
5.
Unfasten captive hardware.
Figure 6–30.
Unplug and Unfasten Step POL Board
Step POL Board
Replacement
Summary of Contents for Ozone Primary Standard 49iQPS
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