NCR Booster service advice

[JackZwykle]

I have picked up a second hand NCR 220/2, so far it's working great for our small 3 diver CCR group.
I was told that in time I can service it myself, but I can't find any manuals, videos or even posts about it.

Does anyone have experience with that? I know I can send it to manufacturer, but I like to dabble myself plus the savings.

Will be appreciated.

 

[iain/hsm]

It's a very poor manual compared to the Haskel units with not much inside all of 12 pages
A parts list of 47 parts and a single outline drawing
No outlines no wear tolerance no lubrication components and no torque settings.
It talks about "Special Grease" but dont tell you the specifics.
Another of those "Scuba Specials" One of those things if you read the manual before purchase
you wouldn't bother.
But here you go enclosed below.

 

[JackZwykle]

Fenomenal, thank you!

 

[JackZwykle]

I guess I will contact the NCR for that specialist grease and torques when the time comes, so far it's not losing any pressure and works very well.
It was picked up from a dive centre where it worked for 10 years without issues (I dived there for years and I know it personally because my O2 was boosted by it).
When the centre closed I picked it up for a decent price, so no regrets.

This manual is indeed a bit simplistic, but much better than nothing.

One thing that surprised me a little is that they limit O2 boosting to x5.... that's not what I saw it used for and I boosted myself without issues (x8-x10).

I hope it's one of those "overly cautious about O2" things.
(Yes, I am charging <=6bar/min)