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7.3 REPLACEMENT PROCEDURES
Technical Service Manual 7 - 29 LifeCare PCA
7.3.8.14
MECHANISM ASSEMBLY REPLACEMENT
Recommended tools for this procedure are a No. 2 Phillips screwdriver and 5/16 inch
nutdriver.
Replacement parts for this procedure are:
Assembly, Mechanism
Screw, 10-32 x 1, Hex Head
Screw, 10-32 x 1 3/4, Hex Head
To replace the mechanism assembly, see
Figure 7-6
, 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 cradle assembly as described in Section 7.3.8.4 .
4. Remove the mechanism lever arm as described in
Section 7.3.8.5
.
5. Disconnect the three mechanism cables from the MCU PWA.
6. Place the infuser face down on a soft surface. Using the nutdriver, remove the three
10-32 screws that secure the mechanism assembly to the front enclosure.
7. Install the replacement mechanism assembly using the screws that were removed
in Step 6.
8. Reinstall the mechanism lever arm and cradle assembly.
9. 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 replacement of the mechanism assembly, perform the PVT
in
Section 5.6
.