Stryker Secure 3000 - Litter CPU Board Replacement; Main CPU Board Burn-In Procedure

Maintenance Procedures – Litter
90
POWER BOARD REPLACEMENT
Required Tools:
1/4” Nut Driver #2 Phillips Screwdriver or T27 Torx Needle–Nose Pliers
NOTE
Because of fastener changes, it will be necessary to use either a Phillips screwdriver or a T27 Torx to remove
the bolts securing the litter access panel.
Procedure:
1. Properly ground yourself (see page 29 for static discharge precautions).
2. Using a #2 Phillips screwdriver or a T27 Torx, remove the two screws holding the head end litter access
cover and remove the cover.
3. Disconnect all cables at the power board. Note the locations of the cables so they will be reconnected
properly to the replacement power board.
4. To remove the board from the litter standoffs, use a 1/4” nut driver to remove the six screws holding the
board to the litter.
5. Install the new board and reconnect all cables.
6. Reinstall the litter access panel and plug the bed power cord into a properly grounded wall receptacle.
7. Test the bed for accurate operation before returning it to service.
LITTER CPU BOARD REPLACEMENT
Required Tools:
#2 Phillips Screwdriver or T27 Torx
NOTE
Because of fastener changes, it will be necessary to use either a Phillips screwdriver or a T27 Torx to remove
the bolts securing the litter access panel.
Procedure:
1. Properly ground yourself (see page 29 for static discharge precautions).
2. Using a #2 Phillips screwdriver or a T27 Torx, remove the two screws holding the head end litter access
cover and remove the cover.
3. Disconnect all cables at the litter CPU board. Note the locations of the cables so they will be connected
properly to the replacement litter CPU.
4. To remove the board from the litter standoffs, pull out on the retention clips and lift upward on the board.
5. Install the new board and reconnect all cables.
6. Reinstall the litter access panel and plug the bed power cord into a properly grounded wall receptacle.
7. When a new CPU board is installed, a “burn–in” procedure must be done (see below). If your bed is
equipped with a scale system, scale calibration must also be done (see page 87).
8. Test bed operations before returning the bed to service.