Welch Allyn Spot Vital Signs 4400, Service Manual

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• Remove the power harness.
• Remove the SureTemp module.
• Separate the main PCA board from the front housing.
1. Turn over the main PCA board and remove the single T-10 Torx screw attaching the sensor
insert to the main PCA board.
2. To disconnect the housing from the pump manifold, hold the black pump manifold with one
hand and tilt the top of the insert away from the main PCA board with the other hand.
Reassembly notes
Kit item:
•
107213, SRV KIT, SENSOR HOUSING W/ PWR HARNESS
NOTE Reassembly is the reverse of disassembly.
Remove the pump assembly
1. Remove the pump manifold from the main PCA board transducers.
2. Pinch and remove the pump assembly connector from the main PCA board.
Service manual Disassembly and repair 53