ICU Medical LifeCare PCA, Technical & Service Manual, Page: 117 / 148

7.3 REPLACEMENT PROCEDURES
Technical Service Manual 7 - 25 LifeCare PCA
5. Using the lint-free cloth moistened with isopropyl alcohol, clean any remaining
adhesive from the LCD assembly.
6. Remove the protective backing from the replacement LCD shield to expose
the adhesive. Center the shield over the LCD and press the shield into place
on the LCD.
7. Reassemble the infuser in the exact reverse order of disassembly.
To verify successful replacement of the LCD shield, perform the PVT in
Section 5.6
.
7.3.8.12.2
LCD Assembly Replacement
Recommended tools for this procedure are diagonal cutters and needle nose pliers.
Replacement parts for this procedure are:
Assembly, LCD
Post, Nylon
To replace the LCD assembly, see
Figure 7-6
and
Figure 7-11
, and proceed as follows:
1. Disconnect the infuser from AC power.
2. Separate the front and rear enclosures as described in
Section 7.2.2
.
3. Remove the electronics assembly as described in
Section 7.3.8.10
.
4. Remove the LCD shield as described in Section 7.3.8.12.1 .
5. Disconnect P3 from J3 on the MCU PWA.
6. Using the diagonal cutters, snip off the ends of the four nylon hardware posts
attaching the LCD assembly to the MCU PWA. Remove the defective LCD assembly.
7. Remove the remaining portion of the nylon hardware posts from the MCU PWA
with needle nose pliers.
8. Place the MCU PWA on a stable surface. Align the nylon hardware posts
on the replacement LCD assembly with the four holes on the MCU PWA, and press
carefully to attach the LCD assembly.
Note: Verify all connectors are fully seated before the front and rear enclosures
are closed and fastened.
9. Reassemble the infuser in the exact reverse order of disassembly.
To verify successful replacement of the LCD assembly, perform the PVT in
Section 5.6
.
CAUTION: Exercise care when replacing or reinstalling the nylon
posts. Applying excessive pressure on the posts may bend or damage
the PWAs.