Section 7 —Disassembly
Page 7-42
VitalCare
TM
506N3 Series
Service Manual
Criticare Systems, Inc.
Replace Power Supply
First perform “Chassis Service/Pump Disassembly” procedure.
1. With the #2 Phillips screwdriver, remove the four (4) screws
(pn 40496B004) holding the chassis assembly in place.
Figure 7-54: Remove Four Screws (Chassis)
2. Slide the chassis out of the rear housing and pull the NIBP
fitting from the opening on the right side of the rear housing.
Keep temp and SpO
2
cables (temp units) to the right.
3. Remove the ground wire from
JP1
.
4. Remove the harness from
CN1
.
5. Flip the chassis up with the power supply facing up.
6. Loosen the four (4) screws (pn 40496B001) that are contained
with the four (4) #6 cup washers (pn 42499B001). Lift the power
supply PCB (pn 86517C001) up and remove the four cup
washers that lie beneath the power supply.
7. Remove the cable assembly (pn 90927A002) from
CN2
.
8. Replace power supply.
9. Place the four (4) cup washers onto the existing standoffs.
10.Align and place the power supply PCB on top of the cup
washers. Using the four (4) screws (pn 40496B004), place each
screw through the cup washer and place through each hole on
power supply PCB. Tighten down with a torque of 5 in. lbs.
NOTE
:
J5
header of the power supply should be the same as
the NIBP fitting.
11.Plug power supply cable (pn 90927A002) into power supply
at
J5
.
12.Reassemble in reverse order.
Reassemble monitor and follow “Completion of Service” procedure at
the end of this section.
Remove Screws
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