4: Repair Internal Assemblies — Introduction
96
Tubing Gasket Replacement
The Tubing Gasket protects the internal assemblies of the HeartStart XL+ from moisture and dust. There
are two Tubing Gaskets inside the HeartStart XL+:
• on the perimeter of the Front Case
• on the perimeter of the Measurement Module.
Inspect the Tubing Gasket whenever you open the box or the Measurement Module. Replace the Tubing
Gasket if dirty, cracked, frayed, pinched, or there is a gap between the ends of the tubing.
To remove and replace the Tubing Gasket:
1 Use tweezers to remove the old gasket.
2 Clean the groove.
3 Prepare the tubing:
– For the Front Case, prepare approximately 3' 10" (115 cm) of the gray tubing.
– For the Measurement Module, prepare approximately 11" (28 cm) of the dark-red tubing.
Do not stretch the tubing while measuring.
4 For the Front Case, start between the Printer and the Speaker (so that the Gasket ends meet at the
bottom of the device) and freely lower the gasket into the groove and press lightly.
For the Measurement Module, start opposite to the ECG Connector (so that the Gasket ends meet
at the bottom of the Measurement Module).
Leave the ends out. Do not stretch the tubing.
5 Cut where the ends meet so that there is no gap or overlap.
6 Tuck the ends into the groove.
7 Slightly spread or stretch the gasket to remove any residual overlap or cover a gap.
Figure 57 Tubing gasket Replacement
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