Welch Allyn Medical Diagnostic Equipment Model 406 Heart Rate Monitor User Manual


 
Service Manual Repair procedures 55
2. Carefully slide the SpO
2
board under the two bracket hooks as shown.
Installing the SpO
2
shield
1. Fold the SpO
2
shield closed, with the short side overlapping the long side.
2. Insert the nylon shoulder washer(s) at the location(s) shown above and fully seat in
the SpO
2
shield.
3. Add screws after the nylon shoulder washers are seated and torque to 3 in. lbs.
Bracket hook
Bracket hook
Caution Take care to place the nylon washer(s) in the correct location(s) or the
system will not operate properly and may cause radio interference problems.
Note
The Masimo version has two screws with nylon shoulder washers. The Nellcor
version has only one screw with a nylon shoulder washer, as shown below.
Screw with nylon shoulder washer (Masimo and Nellcor)
Screw with nylon shoulder washer (Masimo only)