Welch Allyn Propaq LT 802LT0N, Руководство по обслуживанию

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46 Disassembly and reassembly Welch Allyn Propaq LT Vital Signs Monitor
Remove all adhesive tape from the ferrite beads and remove all pieces of the adhesive
gasket. Use all new adhesive tape on the ferrite beads and a new adhesive gasket on the
connector assembly.
Removing the power/USB flex connector from the bottom chassis
1. “Removing the lithium ion battery assembly” on page 29.
2. “Separating the top and bottom chassis halves” on page 31.
3. “Removing the main board from the bottom chassis assembly” on page 36.
4. Remove the two hex nuts from the rear of the flex connector.
5. Remove the connector guide posts from the connector well.
6. Remove the Power/USB flex connector assembly.
REASSEMBLY:
(1) Install the washers onto the new connector guide posts.
(2) Seat the guide posts inside the connector well, noting the proper alignment of the flat
side of the guide posts.
(3) Install the flex connector assembly.
(4) Add threadlocker to the screws and tighten the hex nuts enough to slightly compress
the foam pad.
Caution Use extra care during this procedure to protect all components of the
flex circuit.
Note
The hex nuts and the connector guide posts cannot be reused after removal. The
hex nuts are secured with Loctite adhesive. Removing the nuts damages them
and damages the guide posts.