Mallinckrodt NELLCOR NPB-195 Service Manual page 52

Section 6: Disassembly Guide
6-12
Installation
Caution: When installing the UIF PCB, hand tighten the five screws to a
maximum of 4 inch-pounds. Over-tightening could strip out the screw holes
in the top case, rendering it unusable.
7. Place the UIF PCB in the top case.
8. Install the four screws in the UIF PCB.
9. Lift up on the outer shell of J8 on the UIF PCB until it clicks. Insert the
keypad ribbon cable into J8 of the UIF PCB. Slide the outer shell of J8
down until it clicks.
10. Connect the speaker cable to J13 of the UIF PCB.
11. Complete steps 8 through 10 of procedure in paragraph 6.10.
12. Complete procedure in paragraph 6.5.
Figure 6-10: UIF PCB