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Mara X OPV re-route mod: 3 alternatives (with illustrations)


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This message is to complement the original re-rout OPV discharge mod. It details 3 alternatives for the mod, and adds illustrations to make it clearer. The original post is here:

This is a collaborate effort, so huge thanks go to everyone who contributed and shared information, ideas and experiences! 

Basically, we have 3 alternatives to the mod, as shown below. I included animations within the descriptions, and still versions at the bottom.
[The illustrations are showing:  1) Original stock configuration; 2) Simplest mod - OPV to tank; 3) Full mod with two added 3-way connectors; and 4) Full mode with existing connectors].

1. Simplest option: OPV goes back to tank

The Tube from the OPV goes to the tank. The remaining entry on the X connector needs to be blocked (or replaced with a 3-way connector). some prefer this option because they report a change in the noise from the machine with the full mod. Others haven't noticed a change in noise or are not bothered by it and prefer the full mod:

1026644888_Simple-OPVtotank.gif.502233c2937923a5ffb4afb9050dce10.gif

 

2. Full (Original) mod: requires two added 3-way connectors 

The 4-way connector is replace with a new 3-way connector, and a second new 3-way connector is used to connect the OPV tube to the pump inlet:

 1264818223_Originalmodwithnewconnectors.gif.c3121c6a75d82c20f80316b8d163e6a2.gif

3. Full mode using only existing connectors (no extra parts needed)

This version is similar to the original full mode, only instead of replacing the 4-way connector, it cleverly moves an existing 3-way connector to create the exact same result without any extra parts: 

531344424_Modwithexistingconnectors.gif.4630a3e50cc77488bf66b165efe487bb.gif

 

In case those animations are not easy enough to follow, here are the non-moving versions:

2122539231_MaraXoriginalconfirguration.png.cd351ca95cb8c8f36ca1def9d8c7253e.png

 

64624651_MaraXsimplemod-OPVgoestotank.png.8045999dc5c8648f500512e606e0cd2f.png

 

240197956_MaraXoriginalOPVmod-withnewXandYconnectors.png.9b3b62e52f629bad30bc98025ee66cee.png

 

581157819_MaraXmodewithexistingconnectors.png.6ecebb310dd752e121d642a1ed15ca2e.png

Edited by Doram
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19 hours ago, Doram said:

1. Simplest option: OPV goes back to tank

Can't edit the original post, so a couple of corrections:

1. For the simplest option of re-routing OPV to the tank, I forgot to mention that this would require cutting a small groove at the top of the plastic water tank - to make room for the OPV discharge tube so the lid can sit flush on the tank.
Also for the simple mod - the port where the OPV discharge tube was connected to the X (4-way connector) either needs to be plugged, or alternatively the 4 way connector can be replaced with a 3-way (Y) connector.

2. On the illustration for option 2 (original mod), the headline says "Original mod with new X and Y connectors" - it should have read: "with new T and Y connectors" (it doesn't matter if the shape is T or Y, but the 2 new connectors are 3-way each).

3. It's a collaborative effort (not collaborate). 🙂  

Edited by Doram
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