4: Repair Internal Assemblies — Rear Chassis
98
NBP Module
Preparation
1 Open the Case. See “Opening the Case” on page 87.
2 Position the HeartStart XL+ display side down and shelf side toward you.
3 Remove the Rear Chassis Shelf. See “Rear Chassis Shelf” on page 93.
Removal
1 Remove the four T10 screws, see Figure 59, A.
2 Remove the NBP Module, see Figure 59, B.
3 Remove the plastic shield.
Replacement
1 Position the Rear Chassis Shelf so that the shelf handle is up, and the NBP Module opening is to
your left, see Figure 59, C.
2 Install the NBP plastic shield into the Rear Chassis Shelf, so that the notches in the shield fit around
the metal corners.
3 Lift the shelf while holding the plastic shield in place. Slide the NBP Module into the NBP opening
so that:
a the air tube is between the shelf and the plastic shield.
b the 10-wire bundle is above the shelf
c the NBP Module’s plastic tubes are under the shelf, see Figure 59, B.
4 Align the plastic shield screw holes with the NBP Module mounting screw holes and the shelf
standoffs, see Figure 59, A,
➊.
5 Secure the plastic shield with two M3x8 (T10) screws.
6 Wrap the plastic shield around the NBP Module and install the two other M3x8 (T10) screws, see
Figure 59, A,
➋. Tighten the four screws to 6 inch-lb (0.7 N m).
7 Install the Rear Chassis Shelf. See “Rear Chassis Shelf” on page 93.
8 Bring the Rear Chassis into the upright position. See “Tilting Rear Chassis” on page 91.
Make sure not to pinch the air tube.
9 Close the Case. See “Closing the Case” on page 151.
To Complete the Replacement:
Run Performance Verification and Safety testing as described in the “Performance Verification”
chapter.
Figure 59 NBP Module
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