TITLE
Model
DOCUMENT NO.
PAGE
PM43 Service Work Instructions
PM43,PM43C
SWIPM43x-000
Page
52 of 70
Intermec Proprietary Document
OPERATION:
Power Supply Electronics Assembly (Behind the MLB)
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
Part Number
Torx Driver
T20
Parts Required
Item Part Number
Description
Qty
1
234-050S-001
Power Supply Unit (PSU), Assy, PM43, Spare (include PSU, PSU Bracket, and
Torx screws)
1
2
1-994059-008
Screw, MRT 4x8 ZP, T20, (14 lbf.in/16 kgf.cm)
7
3
236-254-001
Power Cable, Main Logic Board (MLB) – Power Supply Unit (PSU)
1
4
808-002-000
Cable, Tie, White, Locking, 4inch
1
Power Supply Unit Replacement
1. Remove the 5 torx screws with Torx driver T20 that secure the PSU onto the spine (main deck) assembly. See Figure 1
for location of the torx screws.
2. Remove the 2 torx screws with Torx driver T20 that secure the PSU on the back plate. See Figure 2.
3. Cutoff the tie wrap that secure the power supply unit and ribbon sensor cable. See Figure 3.
4. Reverse the procedure for re-installation
.
Figure 1
Figure 2
2
2
