Service manual

42 Disassembly and repair Welch Allyn Spot Vital Signs
Front housing and key pad disassembly
Follow all the previous steps and then:
1. Remove the two screws inside the battery housing that are identified with arrows
molded into the housing and the two screws underneath the temeprature housing.
2. Hold the device together and lay the back housing on the bench.
3. Carefully roll the front housing to the right.
4. Disconnect the tubing from the front housing.
5. Gently pull the button switch array out of the cover.
6. Align and push the new button switch array into place.
LCD disassembly
Follow all the previous steps and then:
1. Gently lift the LCD module from the posts.
2. Roll the LCD to the left of the Spot Vital Signs and lay it on the bench.
3. Remove the flex cable from the LCD and set the LCD aside.
Pneumatic Tubing
Version 2
Pneumatic Tubing
Version 1
LCD
Flex Cable