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SECTION 7 REPLACEABLE PARTS AND REPAIRS
LifeCare PCA 7 - 20 Technical Service Manual
7.3.8.9
REMOVING THE CE PWA
Note: This procedure is intended to facilitate other repairs only.
The recommended tool for this procedure is a 3/16 nutdriver.
The replacement part for this procedure is:
Screw, 4/40 x 1/4, Hex Head, Slotted, with Washer
To remove the CE PWA, see
Figure 7-6
,
Figure 7-8
, and
Figure 7-9
, 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. Disconnect the antenna cable from the CE PWA.
4. Using the nutdriver, remove the four hex head screws that secure the retaining
bracket to the front enclosure. Remove the screws in the sequence shown
in
Figure 7-8
.
5. Grasp the PWA, moving it slightly away from the mechanism. Lift the PWA
with a rolling motion and remove it from the infuser.
6. Disconnect the ribbon cables from P4 and P19.
7. Reinstall the CE PWA and secure the retaining bracket to the front enclosure using
the screws that were removed in Step 4. Install the four hex head screws in the
sequence shown in
Figure 7-9
.
8. Reassemble the infuser in the exact reverse order of disassembly.
Note: Verify all connectors are fully seated before the front and rear enclosures
are closed and fastened.
To verify successful installation of the CE PWA, perform the PVT in
Section 5.6
and the network connectivity checks in
Section 5.7
.
CAUTION: The CE PWA is device specific and cannot be replaced with another
CE PWA. Infusion system communications will not function properly with a CE
PWA from another infuser. If the CE PWA is damaged, contact ICU Medical.