ASP sterrad NX, Service & Troubleshooting Manual

Page: 71 / 126

Subassembly Removal and Replacement
5
CAUTION: ESD-sensitive parts. The circuit board may be
damaged by electrostatic discharge. Avoid touching components
on the circuit board. Attach and use an approved ESD grounding
wristband when handling circuit boards.
Required Tools: 3 mm hex wrench.
Preparation: 1. Turn the sterilizer OFF.
2. Remove the front top panel, top panel, and rear top panel.
3. Remove the PCMCIA card from the socket.
4
Note : If the PCMCIA card cannot be easily removed, you can still
remove the shield by carefully lifting it up and over the
PCMCIA card.
4. Remove the power inlet connector using the procedure in the
power inlet section.
Removal: 1. Unplug all cables from the interface board.
2. Remove the 3 screws and one nut securing the shield.
3. Lift the shield up to remove.
4. Remove the 6 screws that attach the interface board and UCB to
the standoffs. Four screws are at the corners of the board and 2
screws are accessible through holes near the center of the board.
5. Carefully lift up the top board.
6. Remove the standoffs.
7. Disconnect the cable from the UCB.
8. Remove
the UCB
Replacement: Replacement is the reverse of the removal steps. Do not tighten the
cover until all the connectors are in place.
STERRAD
®
NX
™
Service Guide 71