Power Supply Assembly - Honeywell PM42 Service & Repair Manual

TITLE
PM42 Service Repair Manual

Power Supply Assembly

OPERATION:
The power supply unit attaches to the spine (main deck) assembly with five torx screws and 2 torx screws on the
exterior backplane. When removing the power supply unit, note the cable routing and tie wrapping to ensure
proper re-installation.
Tools Required
Description
Torx Driver T20
Parts Required
Item Part Number
1
234-050S-003
2
3
Power Supply Unit Replacement
1. Remove the 5 torx screws with Torx driver T20 that secure the PSU onto the spine (main deck) assembly.
for location of the torx screws.
2. Remove the 2 torx screws with Torx driver T20 that secure the PSU on the back plate.
3. Cutoff the tie wrap that secure the power supply unit and ribbon sensor cable.
4. Reverse the procedure for re-installation.
Model
PM42
Description
Power Supply Unit (PSU), Assy, PM43, Spare (include PSU, PSU Bracket, and
Torx screws)
2
DOCUMENT NO.
L3-GLBL-RPR-3872
(Rev A)
PAGE
Page 39 of 48
L3-GLBL-RPR-3872 (Rev A)
Qty
1
2