Head Box Cpu Board Replacement; Head Box Diaphragm And Slip Disc Replacement - Stryker XPRT 2950 Manuel D'utilisation

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HEAD BOX CPU BOARD REPLACEMENT

Required Tools:
• Phillips Screwdriver
• ESD System (Static Strap)
1 .
Unplug the support surface power cord from the power source .
2 .
Unzip the support surface cover from the patient's left side of the support surface to the patient's right side .
3 .
Unplug the left or right CPR cord to deflate support surface .
4 .
Using the lift handle in the center of the bottom cover at the head, pull the head support surface towards the foot
end .
5 .
Pull the bottom cover towards the head exposing the head box .
6 .
Using a Phillips screwdriver, remove the six screws securing the head box top cover and remove the cover .
7 .
Grasp each of the five pressure sensor hoses closest to the sensor and unplug the hoses . Note the locations . Each
hose has a number on it that corresponds with a number on the CPU board .
8 .
Unplug the cable connections from the CPU board . Note the locations so the new CPU board will be connected
properly .
9 .
Using a Phillips screwdriver, remove the eight screws securing the CPU board to the head box and contact your
local Stryker service representative to return for fault evaluation .
10 . Reverse the procedure to install the new CPU board .
11 . Plug the support surface power cord into the power source and test the functionality before returning to service .

HEAD BOX DIAPHRAGM AND SLIP DISC REPLACEMENT

Required Tools:
• Phillips Screwdriver
• Torque Driver
1 .
Unplug the support surface power cord from power source .
2 .
Unzip the support surface cover from the patient's left side .
3 .
Unplug the left or right CPR cord to deflate support surface .
4 .
Using the lift handle in the center of the bottom cover at the head, pull the head support surface towards the
foot end .
5 .
Pull the bottom cover towards the head exposing the head box .
6 .
Remove the six screws securing the head box top cover and remove the cover .
7 .
Remove the four screws holding the percussion motor bearing caps .
8 .
Remove the six screws from the diaphragm clamp, both sides .
9 .
Remove 2 locknuts to disassemble connecting rod and diaphragm support plates, both sides .
10 . Remove existing slip discs and diaphragms and replace with new ones .
11 . Hand tighten 2 locknuts to loosely hold new diaphragm and slip disc to connecting rod and diaphragm support
plate, both sides . Do not tighten at this time.
12 . Secure sensor bracket and shaft assembly to right cylinder assembly with bearing block with 9-11 in-lbs .
13 . Secure shaft assembly to left cylinder assembly with bearing block with 9-11 in-lbs .
14 . Secure diaphragm support plate screws (6) with 9-11 in-lbs ., both sides .
15 . Rotate shaft assembly so diaphragms are at bottom dead center so all creases and twists are removed from
diaphragms . Secure locknuts (2) on support plate with 17-21 in-lbs ., both sides .
16 . Reassemble support surface using steps 1-5 in reverse order .
17 . Plug the support surface power cord into the power source and test the functionality before returning to service .
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Service Information
2950-109-005 REV B
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