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SECTION 7 REPLACEABLE PARTS AND REPAIRS
LifeCare PCA 7 - 18 Technical Service Manual
4. Using the open end wrench, loosen the retainer nut that secures the lock cylinder
to the front enclosure assembly (Section 7.3.8.7) . Move the lock cylinder away from
the door latch assembly.
5. Remove the barcode reader as described in Section 7.3.8.15 .
6. Using the nutdriver or flat blade screwdriver, remove the two 6-32 hex head screws
securing the door latch assembly to the front enclosure.
7. Install the replacement door latch assembly using the screws that were removed
in Step 6. Confirm the door latch cam is positioned to assure proper operation
of the latch.
8. Reconnect the door lock cable to the MCU PWA.
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 door latch assembly, perform the PVT
in
Section 5.6
.
7.3.8.7
DOOR LOCK ASSEMBLY REPLACEMENT
Recommended tools for this procedure are a 7/16 inch open end wrench, a 7/8 inch open
end wrench, and needle nose pliers.
The replacement part for this procedure is:
Assembly, Door Lock
The door lock assembly kit includes a cylinder lock, a keying washer, a three-finger washer,
and a 7/16 hex nut.
Pre-assembly of the replacement lock is required (see
Figure 7-6
and
Figure 7-7
), as
follows:
1. Place the keying washer over the threaded shaft of the cylinder lock with the shiny
(rounded) side down. Verify that the keying washer is lined up with the raised
portion of the cylinder lock.
2. Place the three-finger washer over the threaded shaft. Confirm the ridged side
of the fingers faces up.
3. Using the 7/16 open end wrench, tighten the nut over the washers.
4. Using the needle nose pliers, bend the washer fingers up to hold the nut in place.
5. Hold the lock, insert the key into the lock, and verify the key turns 90 degrees
to the left.
Once the replacement lock cylinder is assembled, proceed as follows:
1. Disconnect the infuser from AC power.
2. Close and lock the security door.
3. Separate the front and rear enclosures as described in
Section 7.2.2
.
4. Using the 7/8 inch open end wrench, remove the door lock retainer nut while sliding
the door lock cylinder through the keypad grounding bracket and front enclosure.
Note the position of the door latch cam.