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Step 4.
Align the supply hose coupling with the supply manifold, push it in and pull the collar backward
until it locks in place with an audible click. Then, repeat the same procedure on the return hose and
manifold.
Figure 29. Supply and return hoses and manifold couplings
• Connect the supply hose assembly (
• Connect the return hose assembly (
Step 5.
Turn on the flow of water to the heat exchanger, and let it run for several minutes.
Step 6.
Attach the air-purging tool to the air-purging valve at the top of the heat exchanger, and place the
drain end into a 2-liter (or larger) container to catch the water and air bubbles that escape during
the filling procedure.
1
) to the supply manifold-coupling (
3
) to the return manifold-coupling (
Chapter 2
2
).
4
).
.
Set up Rear Door Heat eXchanger V2
29
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