Welch Allyn Spot Vital Signs 4400, Service Manual

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2. Lift the back housing straight up.
WARNING
The main PCA board is not secured to the front housing. Ensure that
you hold the main PCA board in place if you need to carry the device or tip the
device onto its end.
Reassembly notes
Kit item:
•
107214, SRV KIT, REAR HOUSING WITH LABELS
NOTE
The back housing is not available for direct purchase. Welch Allyn limits
availability of certain parts to Authorized Service Personnel only. These limitations
are required to maintain product safety or maintain current regulations.
NOTE
Reassembly is the reverse of disassembly.
Remove the power harness
1. Using a 3/8" socket, loosen the nut from the power harness barrell, and then remove the nut
and two washers. Set aside to use during reassembly.
Service manual Disassembly and repair 43