Hi, I recently bought this: PRIMUS STOVE KEYS NRV KEY PARAFFIN STOVE KEROSENE STOVE OPTIMUS STOVE | eBay NRV wrench to pull the NRV from my...
NRV now out, pics show what looks suspiciously like thread lock (see pics) on the threads and the base HMMMMM???? Dunno, anyway no lead washer, it...
...Once you’ve replaced the seal under the tank lid, and the “pip” in the NRV (Non Return Valve) at the bottom of the pump tube, you will need...
...Optimus nova, nova + and Polaris repair kit ($35US). Tried to replace NRV on old pump, upon removal it snapped at flat head screw driver slot,...
...on it yet, but I have replaced the pump cup and disassembled the NRV. I was surprised to see that the newer style of NRV had a cork seal as...
...I was hoping to try firing it up (pun intended) with the current NRV set up since it doesn't appear to be leaking (still sitting under...
...solution Stanislaw, that wont be slipping off any tight and seized NRV,s, the standard NRV wrenches often slip off any tight and seized NRV,s....
...I could. This was result of my diy. But lesson learnt. Couple of spare nrv on there way. Also waiting for my service kit from fettlebox . Then...
...I checked my burner and of course I can reach the nipple with the NRV tool. I was not aware of that. Thanks a lot for your help. ❤️ I've...
So NRV is OK? I thought there would be some kind of rubber seal.
...In the event after testing, you find you need to remove the NRV… There is an NRV removal method I always use that has been 100% successful for...
@Countdown That’s not a symptom of too weak a NRV spring however. It suggests a shortfall in pump cup efficiency in trapping and compressing a...
NRV tool
...items sold for on Ebay so you can price accordingly. If you are selling junk make sure you say 'untested & parts only" or NRV will need...
Primus did do a hex head NRV! - part no.4392 - as used on the 'big' silent No.10 & 25 stoves. Why didn't I think of that before? :doh:
A slot 5mm wide by 5mm deep usually works . I find old 1/2" oor 9/16" bolts work well. And wrap some tape near the end to keep the tool centered...
Ok and it goes on. So have nice nrv ready to go. Next I am looking at servicing the fuel cap. It’s refusing to dissemble so far as in as in...
This NRV is configured in the same way as on the tiny Svea No.40 as explained in the above quote extract. The little slotted cap is a male...
...similar) screwdriver to screw the remains of the brass cone out of the NRV body, you can then do similar to screw the body of the NRV into (or...
Just double checking here does the nrv come apart and contain a spring and a pip ? Have seen it dismantled on a few videos but don’t think I have...
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