8. Slide the unit forward to disengage the rear mounting lug.
9. Lift the unit up and part way out of the enclosure.
10.Disconnect the I
2
C/power cable and temperature control output cables from the rear edge
of the board.
11.Remove the unit from the analyzer and place on ESD-safe work surface.
12.Unscrew the two mounting screws at the top corners of the mezzanine module, and unplug
it from the Base3 DPM.
13.Unscrew the mounting screw for the temperature setpoint module stack using the access
hole in the metal plate near the filament detector input.
14.Unplug the temperature setpoint module stack from the left side of the board.
15.Remove the two mounting screws near the upper corners and remove the old board from
the cage.
Configuring the New Base3DPM
Set the location ID switch on the replacement unit to match the unit being removed.
Installing the Replacement Base3DPM
1. Install the new unit into the DPM cage. Insert the bottom edge into the slot in the plastic
DPM mounting rail on the DPM cage, and secure with the two screws removed from the
old unit.
2. Plug the temperature setpoint module stack onto its mount on the left side of the unit.
3. Reinstall the screw to secure the temperature setpoint module stack through the access
hole on the right side of the unit.
4. Plug the mezzanine module onto its connector on the right side of the unit, and reinstall the
two screws ear the top edge.
5. Insert the rear lug into the slot at the rear of the DPM mounting position with the mounting
stud at the front inserted through the slot in the DPM bracket.
6. Slide backward to lock the rear mounting lug into the slot.
7. Reinstall the nut on the threaded stud to secure the DPM.
8. Reconnect the I
2
C/power cable and temperature control output cables from the rear edge
of the board.
9. Reconnect the RTD temperature input cables (top rear of unit, if present).
10.Reconnect the fIlament detector cable if present.
11.Reconnect the detector signal cable from the mezzanine module.
12.Follow the steps in the
General Analyzer Startup Procedure
.
Electronic Compartment Component Descriptions and Maintenance Procedures
2.5 Detector Personality Modules
Maxum II Reference Manual
Manual, 7/2017, 2000596-001
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