5. Removal and Replacement of Major Components and Modules
5-48
A.
INSTRUMENT COVER
(
Reference Drawing
: 403-00108)
Removal
1.
Lay the unit with the door face down.
2.
Using an Exacto knife or flat razor blade, cut through the silicone
around the perimeter of the instrument cover.
3.
Remove the “Warranty Void” seal.
4.
Remove 6X flat head Phillips screws attaching Instrument Cover
to Support Housing.
5.
Using a thin flat Screwdriver, pry the instrument cover away from
Support Housing.
6.
Pull Instrument Cover away from Support Housing in a bottom-to-
top motion while carefully pulling out attached ‘battery to Daughter
PCB’ Cable (Do not remove gasket from Instrument Cover.)
7.
Unplug battery cable from Daughter PCB, JP13.
Installation
1.
Reattach ‘battery to Daughter PCB’ cable to Daughter PCB, JP13.
2.
Carefully slide Instrument Cover back onto Support Housing. Do
not pinch the battery cable.
3.
Reinstall 6X flat head Phillips screws.
4.
Apply a thin bead of silicone around entire perimeter of Instrument
Cover and allow at least 1 hour for silicone to dry.
B.
AC/DC PCB
(
Reference Drawing:
403-00107)
Removal
1.
Ground strap must be worn.
2.
Refer to Step A Removal, 1 – 7, to remove the instrument cover.
3.
Unplug Circuit Breaker Cable, JP2 from Daughter PCB.
4.
Unplug 2X lugs, JP1 and JP2, from AC/DC PCB.
5.
Remove 3X pan head Phillips screws.
6.
Remove AC/DC PCB and store in a static proof bag.
Installation
1.
Ground strap must be worn.
2.
Align AC/DC PCB in card-guide slots located in the Support
Housing and attach with 3X pan head Phillips screws.
3.
Reattach Circuit Breaker Cable, JP2 from Daughter PCB.
4.
Reattach 2X lugs, JP1 and JP2.
5.
Refer to Step A Installation, 1 – 5, to reinstall the instrument cover.