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PostPosted: Sat Dec 30, 2017 7:54 pm 
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Joined: Fri Jun 25, 2010 4:40 am
Posts: 391
And I've never heard of a single hose one before!

Supports my saying: The more I know about Minis, the more I know I don't know about Minis.


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PostPosted: Sat Dec 30, 2017 8:46 pm 
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Joined: Mon Dec 13, 2010 10:13 am
Posts: 204
I agree Chuck.

I have 2 pumps here and both twin hose. You never stop learning.


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PostPosted: Sun Dec 31, 2017 1:57 pm 
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Joined: Thu Jun 05, 2014 1:36 pm
Posts: 322
iain1967s wrote:
minimk1man wrote:
I have emailed you a scanned image of the instruction plate on mine. Hope its OK for you.


Thanks Trevor, that's exactly what I needed. I should be able to use it to create artwork for engraving a new plate at one of the online services.

Update: PDF and MSWord file of my recreated placard attached, in case anyone else needs one.


Iain, just sent you a pm.


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PostPosted: Thu Jan 04, 2018 2:24 pm 
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Joined: Thu Jun 05, 2014 1:36 pm
Posts: 322
Found a cap that fits if anyone else needs one.

Jerry Can Cap for 1412 / 1415 - Blue 5001B ROYAL
eBay item number: 322444925319


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PostPosted: Fri Jan 05, 2018 12:56 am 
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Joined: Fri Dec 09, 2016 7:25 am
Posts: 26
I wonder if Inpress Plastics was the original supplier of tanks?


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PostPosted: Fri Jan 05, 2018 1:11 am 
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Joined: Fri Dec 09, 2016 7:25 am
Posts: 26
Something I discovered on my pump was the vacuum Schrader chuck is a Turner "Renrut" chuck off a Kismet foot pump.


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PostPosted: Sun Jan 07, 2018 3:00 pm 
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Joined: Sat Jun 10, 2017 12:46 am
Posts: 70
Location: Cambridge, MA, USA
Seamist Green 1100 wrote:
Sometghing I discovered on my pump was the vacuum Schrader chuck is a Turner "Renrut" chuck off a Kismet foot pump.

Yeah, I've been tracking a few of those on eBay. Trouble is the pumps are also collectors items so it gets expensive real quick...

A modern alternative is to use the couplers used for refilling nitrogen in aircraft landing gear struts. There are two designs available, one with a 1/8" male and one female. Both have separate Schrader thread clamps and screw-in pin depressors, which is the whole point of the original adaptors on both sides of the pump. Obviously if you have a single line pump you only need one of these - they aren't too cheap...

Note that the thread clamp on these strut couplers uses a copper washer to seal against the top of the Schrader stem, so it will need tightening down with a spanner to seal properly, not just finger tight as with the original coupler. I might try using a small O ring instead of the copper washer.

The male version plus a 1/4" to 1/8" reducer seems to fit well for the pressure side of the pump. Note: It feels like it will screw directly on to the thread of the bleed screw even though one side is NPT and the other is BSP, but if you want to do it properly use a thread converter.

I haven't tried it but I think the female version with a 1/8" NPT to a hose barb would be a good replacement for the renrut on the vacuum side, since that connects directly to the 5/16 ID hose rather than to a screw coupling.

Here is a photo with the assembled pressure side, this is just hand tightened using plumbing PTFE tape as I don't have the NPT to BSP thread converter yet - waiting for delivery. Amazon numbers for the parts I used so far are below.

For pressure side:

Stainless strut valve no-loss coupler 1/8" NPT male
https://www.amazon.com/gp/product/B005VR4M88

Brass 1/4" NPT female to 1/8" NPT female adapter
https://www.amazon.com/gp/product/B013RWMGAY

Brass 1/4" BSP female to 1/4" NPT male converter
https://www.amazon.com/gp/product/B015ROAYWC

For vacuum side:

Stainless strut valve no-loss coupler 1/8" NPT Female
https://www.amazon.com/gp/product/B00JJND6AK

Stainless 1/8" male to 5/16" ID barb (5pk)
https://www.amazon.com/gp/product/B017N4U13Q


You do not have the required permissions to view the files attached to this post.


Last edited by iain1967s on Sun Jan 07, 2018 3:52 pm, edited 1 time in total.

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PostPosted: Sun Jan 07, 2018 3:50 pm 
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Joined: Thu Jun 05, 2014 1:36 pm
Posts: 322
Did you manage to get the instruction plate engraved then, looks new.


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PostPosted: Sun Jan 07, 2018 3:54 pm 
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Joined: Thu Jun 05, 2014 1:36 pm
Posts: 322
Can anyone tell me if the neck of their tank where the cap goes has thread all the way round, like a regular jerry can, or if it's just a couple of short lengths like mine? Thanks


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PostPosted: Sun Jan 07, 2018 3:57 pm 
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Joined: Sat Jun 10, 2017 12:46 am
Posts: 70
Location: Cambridge, MA, USA
BLT wrote:
Did you manage to get the instruction plate engraved then, looks new.

No, I could not find anywhere to make a custom 3.75" x 9" size, so I just printed it on white card using a regular lazer printer then had it laminated in 30mil plastic at the local stationer.


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