Full service / rebuild of a S400 and Huma regulator.

[@mrmactknife]

I don't even own an S400...yet, but I still really enjoyed the video. Everything was well explained, and demonstrated in a calm, professional manner. Great video.

[@philbate5555]

Great video jake, if I had an s 400 I'd feel confident about servicing it because of this in depth video, keep em coming mate. 👍👍

[@bessiebraveheart]

Hello, just subbed. I've got an s410. I'm 76 and disabled, ( it's a bugger), but I can still work on my guns. Thank you for your very informative video.

[@alanh7495]

I recently got a second hand S400 and found this video is very helpful

[@TheAdamant87]

How much did you pay for the rifle?

[@Stormcloakvictory]

Would love to see the air arms s400 back again. Personally I like the classic simple rifle look.

[@sub12airgunners]

Good to hear, haven't got many classic rifles now, so it may well get some love in the future. Thanks for watching.

[@mothershoulditrustthegover82]

Absolutely brilliant video very methodical ,I may even attempt to do my own ,thank you very much

[@dgg7377]

Yet another great video making a complex job look easy, if only it was! Keep up the great work.

[@Sae-fu5ch]

Another great detailed video guys and a massive help to a lot of people 👍

[@redstag5428]

The best video I have seen on this rifle

[@sub12airgunners]

thank you 👍

[@PaulSmith-jr1qe]

Hi, When you first fitted the reg did you have to hone the cylinder bore or do any kind of prep to it so as to get a good seal with the reg body.

[@sub12airgunners]

just gave it a light clean up with a bet of wet and dry 400 😀

[@casperboo5465]

Brilliant and very informative video, great watch, Thank you for sharing Cheers

[@gavinfitton6111]

This is a great detailed guide that’s really given me confidence in doing my 410

[@le3045acp]

sir if you took my comment as a insult i apologize i love what you do ,and all your videos please keep up the great work and all im saying the details are the gravy to me and i dont believe i have seen you reface a valve or a seat but i may be wrong

[@redauwg911]

excellent video thank you

[@sub12airgunners]

thank you for watching 😀

[@stephenbrown5844]

Fantastic strip n build 😊👍

[@sub12airgunners]

thanks for watching

[@utkf16]

Thanks for posting this got me through my first ever strip down and rebuild. The problem I had was not being able to unscrew the bottom end of the air cylinder. Tried heat on it but no good so left that part out

[@sub12airgunners]

Good to hear, they can be tight, but if its not leaking then don't worry about it. Thanks for watching.

[@james1795]

Well done.

[@Jknox]

As ever brilliant

[@Tony-o1b]

Nicely done, thank you.

[@sub12airgunners]

thank you 🙏

[@Tim_Bassett]

Very timely Jake - I just wish you'd stop making it look so easy :-)

[@tbrownhill]

Hi do you sell the special 2 pin tool for removing the air res end cap, regard Tony.

[@philoffhistree6700]

@ 21:06 what did you mean by on the regulated guns you do this all the way in and on the unregulated you need to reset the pot to the correct position, this seems odd to me, that would suggest if that is not fully screwed in then you could leave your gun over 12ftb, is that correct, and if so wouldn't refacing the end of the valve affect this setting, i don't wont to put my gun over the limit i don't have a firearm certificate

[@GrahamHenderson25x]

so the top sear working tip actually smacks into the middle sear when the trigger is pulled 13:30 ..

[@tonyashton780]

This is absolutely my favourite video as I love Air Arms PCP.This could well be my next gun or a S410 so this was just in valuable to find amongst your videos as I am a new subber.Any more in the pipeline S410/S200?.Mind you S410 is just addition of mag and cam system.Loving the channel thanks.Tony

[@sub12airgunners]

Possibly some in the future, to be honest the S400 series of rifles are some of the best out the box rifles on the market, I would go for the S410 if its in your budget and add a reg, either huma or lane, the huma one has some very detailed and nice instructions, they are good rifles though. Thanks for watching.

[@tonyashton780]

@@sub12airgunners Regs well beyond my capacity iv had an Altaros and Lane and neither suited my needs (not faulty).That's why I had my S200 Tenched at Rat Works.Your engineering skills are just awesome to watch and yes budget allowed S410 Carbine in .22 would be nice.Many thanks stay safe kind regards.Tony

[@user-cengmao]

视频非常完美，很好的解析了任何一个零件。我很喜欢，祝你健康快乐！

[@fine_boygohunt3054]

this trigger mechanism is a work of Art. Look at the Geometry.

[@darrenwalker3866]

Class video mate your the man

[@CygnusX250]

could you go a bit more in depth on resurfacing the valve plunger, i have resealed my aa410c twice, last time it got a reg installed, ligtened hammer, got it tuned to 20fpe with 16gr jsb and a 50 shots on a fill, stock it was 24fpe and 12 shots....but its leaking despite new orings, before i dunk it in the tub looking for bubbles...i would like to make sure valve is sealing correctly

[@medycznyklefedron]

hi i have air leak 23:20 by this brass thing where air goes into a tank, what i should replace to fix this issue, Thanks for informative video😊

[@michaelbirchall2247]

Fantastic video. Thank you!!

[@sub12airgunners]

Glad you liked it 😀

[@clivejones4468]

Hi jake, Great video really helpful. I’m having problems getting a huma service kit for the same gun can you tell me where you got yours from please thanks Clive

[@sub12airgunners]

we got it from Huma air 👍

[@DanteFromDevilMayCry]

thanks for the very interesting video . really appreciate guys like you showing people how it is done . i have a bit of a problem mine the barrel is different than yours . my s400 classic is the first ever model even the fill probe is different . with the shots i lost power and now replaced all the barrel o rings but still not satisfied . what do you think is happening ? thanks again .

[@stephenhamill8907]

Hi, love watching your vids, very helpful, used your HW100 one to service my rifle, but onto my issue, I've recently got a 2nd hand Air Arms S410, it is a newer gun as in the anti tamper seem a bit different, I got them out but there appears to be one on the block holding the air gauge, but main issue is the 5mm bolt at back cover where hammer spring is, I can not budge it so I'm guessing that it has thread lock on it, any suggestions other than heat to remove it? Feel if I put heat on it it will damage fins on trigger housing, had it in a vice with protection round the housing but not want to move, any suggestions would be greatly appreciated. Cheers.

[@sub12airgunners]

what i do in sensitive areas is put a soldering iron on the bolt itself so the heat gets down the treads, you do have to keep it on for a fair time but i have had good success like this

[@stephenhamill8907]

@@sub12airgunners thank you so much for your help, would never have thought of doing that, I'll give it a go, thanks again 👍

[@barrycarruthers]

Brilliant tutorial, thank you. Can you help/ advise please? I have been given a very old s400 ckasic which is in bad shape, it has been very badly abused. Leaks everywhere, replaced all washers. Cocking lever is sticking and won't cock whe tightend back down, what is this? Any help would be appreciated 🙏 Thanks Barry

[@PaulSmith-jr1qe]

Is there no seal in the bore that the valve stem runs in ?, or is the tolerance so close as to not make a difference with regards to consistency.

[@garywilson6146]

Great tutorials ! Do you have a video on installing a regulator on the S400.

[@sub12airgunners]

No I don't but there is an excellent guide on the huma website written by cloverleaf on installing a reg, link below. Thanks for watching www.huma-air.com/Fitting-instructions

[@lisheng3801]

You know everything about airguns

[@Davidthomasv8]

Very informative video excellent tuition

[@sub12airgunners]

Glad it was helpful😀

[@lisawood516]

Another good one. Cheers 😁

[@dnap1245]

Great vid Jake. What dry lube do you use out of interest?

[@sub12airgunners]

Dry molybdenum powder, thanks for watching

[@pauljinks8480]

Super video. The power increase could also maybe attributed to when you refaced the valve, presumably that made the valve stem protrude slightly more at the rear so hammer knocks it open a fraction more/longer? And I guess it reduces the pre-load on the valve spring.👍 PS S400 is a great rifle!

[@davekendrick7231]

Great video

[@michaelosborne7762]

Hi where did you get your very nice Allan keys please regards Michael

[@lesmo9627]

I was wondering this aswel 😎 Are they the EDS hex drivers?

[@joeblenkinsopp720]

20.35 great video thank you

[@sub12airgunners]

Glad you enjoyed it

[@le3045acp]

also can the safety on the air arms be reversed for left handers?

[@johnrxx99]

Hi, great video. I've just received a seal kit from Air Arms - S701 - for my S410. Why do the seals you refer to have different numbers to AA's ones on the they use?

[@sub12airgunners]

They may have part number on the bag rather than the o ring size, I got my sizes from the exploded diagram on the air arms manual, you can find a digital copy on the air arms website link below. www.air-arms.co.uk/downloads.html

[@russellham2094]

Excellent video

[@sub12airgunners]

Thank you very much!

[@jazzking8380]

You are talking about an Huma Air regulator on this riffle, is this a type of regulator from Huma Ait without having to dril a hole in the pressure tube?

[@sub12airgunners]

no it needs the hole drilling in the tube still so it can vent

[@jjlafferty252]

Great vid.

[@sub12airgunners]

thank you 🙏

[@xWILZTAx]

If mine already shoots this good at 50yards completely standard would i benefit from fitting a regulator?

[@sub12airgunners]

Depends, you wont gain any accuracy, but you will get a flatter shot curve, and a few extra shots, but if your happy with it I personally don't think they need a reg. Thanks for watching.

[@deanatkinson7257]

Hi when you fitted the huma regulator did you have to drill a hole in the air tube

[@sub12airgunners]

yes you need to drill the hole

[@nigelczuchraj4517]

I didn’t see you change the breech internal seal ?

[@Nittytash]

Is the s200 stripdown similar jake ?

[@samdadi1781]

I have the s400 classic, and when I pump air in it, the air escapes out of the barrel as fast as I pump it in. I replaced all the seals thinking that it will fix the problem. Any help will be appreciated.

[@sub12airgunners]

Cock the rifle before you start to fill, the hammer is opening the valve. Thanks for watching.

[@philpinkney9238]

Hi there may I ask a question. I have a mk1 wildcat, when filled to 230 bar it shoots about 80 to 90 like a laser it's pressure then is 150 bar and it shoots slightly high ( I assume its coming off the reg ) is 150 bar reg pressure high for sub 12 and is 80 ish shots about right? Regards phil

[@sub12airgunners]

150 bar sounds too high for a sub 12 reg although some tuners increase reg pressure in order to get better accuracy, 80 shots does sound very low for a wildcat, a .177 should get over 150 easy, but if your reg pressure is set high that will be limiting your shot count. Thanks for watching

[@philpinkney9238]

@@sub12airgunners thanks for reply.

[@PaulMoorhousehankooks]

Super work

[@sub12airgunners]

thank you 👍

[@feedofiddler6538]

Excellent 👌🏼

[@sub12airgunners]

Thank you! Cheers!

[@geraldjenkins3124]

Really good video!! Wondering if you can help? I've started striping my s510 and instead of the A/T aluminum caps I've got 2 security bolts, have you got any good ways of getting them out? Thanks

[@sub12airgunners]

left handed drill bit possibly, or depending on the type of bolt used you can normally find the keys online if you look . Thanks for watching .

[@elsaarmstrong-zp6ng]

I used to have a set of all the security bit sets but they went missing years ago! I think it was Screwfix I got them from! Fraser

[@davidliddle7998]

Great vid

[@jezza42]

Hi What size thread is the bolt that you screwed into the reg to help remove it? Great informative video’s , keep up the good work 👏👏

[@sub12airgunners]

M3 I believe, just the longest bolt I had available. Thanks for watching.

[@adl2005]

Do these fit s310 cylinders

[@johnedkins2078]

Brilliant thanks!

[@sub12airgunners]

No problem, Thanks for watching

[@vladimirbodnar8056]

Hi Can u pls let mi now about špeciál tool u made up with two pins on the end, diameter of this pin, time on this video 9.00 minute

[@elsaarmstrong-zp6ng]

My S400 is getting difficult to cock so I think the hammer rail may need cleaned and lightly oiled. The cocking rail also is suspect so very light litheum grease as don’t want grease near breech. I will also have to remove anti-tampers covering the action hex bolts but I have set of left hand drills so should be ok if I am careful ! Anybody have any useful tips ? I was going to send the gun south to a gunsmith via rfd but would cost me £70 for the shipping alone! I am retired business machine engineer so should be able to fix it myself and have the tools, fingers crossed!

[@sub12airgunners]

nice one 😁

[@jeffhello1444]

😉 nice one

[@sub12airgunners]

Thanks 😋

[@kerrywilliams9995]

Do you work on people guns thanks

[@le3045acp]

you keep leaving the learning curve details out like off camera you refaced the valve thats part of the job and I for one want to see these details thats why i subscribe to your channel and others to learn so will you please show all material ! i dont care if i have to set here for a extra 30 minutes its worth it to me to see first hand how the details are done . the details are the difference between a leaky valve and a proper sealing valve and off camera doesnt show me crap . you seem to me to be a meticulous precise airgun smith and thats why i watch you because you dont seem like a person that cuts corners so PLEASE quit leaving out the details if you have to do something PLEASE put it on camera and explain like you do all the trivial things that most of us can figure out. i come here for details if i want to learn nothing i can go to SG channel where he refuses to show how he does things or airgun web where they dont do any work i am here to learn and i cant learn how to reface a valve or a seat if you do not show it thank you for listening to my rant but please quit leaving out the details!

[@Jknox]

You are seeing more than has ever previously been shown before on airguns. Just ask nicely.

[@lisawood516]

If you listen to him, he very oftens tells you to refer to another video he has done so you are not bored with seeing it again OR helpfully refers you to another channel (which he doesn't need to) to get more details on a certain parts. He has more detailed content than most other channels.

[@le3045acp]

​@@lisawood516 i meant no disrespect with my rant i watch all his videos and i have not seen him go through the process of refacing a valve or seat it does not mean he hasnt i just learn better from the details and on this job if the seat is not right the airgun will not hold air i love his videos to the point if they were 3hours long i would watch and enjoy even more im not in a hurry because the quality is in being slow and thorough with whatever you do

[@le3045acp]

@@Jknoxand i am asking nicely i meant no disrespect with my rant i watch all his videos and i have not seen him go through the process of refacing a valve or seat it does not mean he hasnt i just learn better from the details and on this job if the seat is not right the airgun will not hold air i love his videos to the point if they were 3hours long i would watch and enjoy even more im not in a hurry because the quality is in being slow and thorough with whatever you do but most people i have asked in the past give all the reasons they dont show how things are done even had one tell me he could be sued i still have not figured that out if you watch someone speed and you speed you did it ti yourself not thjem

[@elsaarmstrong-zp6ng]

U can get new valve off e bay for £2 or from A Arms! Fraser

[@nguyenminh-2208DM]

He

[@lisheng3801]

You know everything about airguns

[@tbrownhill]

Hi Jake do you service other peoples guns as in mine,,,s400 same?