Covidien Nellcor GR101704, Service Manual

Page: 203 / 236

Chassis Disassembly and Reassembly
Service Manual 12-15
5.
Replace the top cover, ensuring the tabs slip down into the mating slots of the
bottom enclosure.
6.
Replace the faceplate, aligning to the mating tabs of the bottom enclosure and
ensuring the lugs of the top cover slip under the faceplate lip.
7.
Orient and slide the new parameter module into the rear chassis until it snaps into place.
8.
Replace and tighten the T-15 torx screw to a maximum 10 inch-pounds.
9.
Connect to AC power.
10.
Verify unit functionality. Reference Performance Tests , p. 10-11.
Parameter Board PCBA Replacements
The parameter board assembly consists of two PCBs: the parameter (interface)
board PCB and the oximetry module PCB.
To remove the parameter board assembly
1.
Turn off the monitoring system by pressing the ON/STANDBY button.
2.
Disconnect from AC power.
3.
Remove the parameter module. Reference To remove the parameter module , p. 12-11.
4.
Set it down on a static-free work surface.

Caution:
Ensure the work surface is clean and free of debris.
5.
Rotate the module so the slot in the side panel is visible.
6.
Using a flat-blade screwdriver, press inward on the visible faceplate tab by press-
ing inward, listening for a click to indicate tab release.
7.
Rotate the module so the slot in the opposite side panel is visible and repeat the
process.
8.
Remove and set aside the faceplate.
9.
Gently lift outward and upward on the top cover, releasing it from the mating
slots in the bottom enclosure.
10.
Remove and set aside the top cover.