Mine owned from new doesn't.
Has somebody given it some oil?
Picked up a very nice S/H .177 Silver Star yesterday but it is dieseling quite a bit. I'm told this is common with the pistol but is it, and does it need some attention ?
The opened barrelled pistol does not appear to be clogged with grease and looks in very good order !
I have not interferred with the gun internally.
This is with RWS Hobby's by the way !
Thanks.
“An airgun or two”………
Mine owned from new doesn't.
Has somebody given it some oil?
Shoot the pistol at half cock until it dries out.
OzzieM
Maybe, how easy/hard are they to strip down ?
“An airgun or two”………
They all do that sir...
Well my two did.
The later model .177 one was the worst and dieseled like a bastard even when run almost dry!
Someone once posted a link to a strip down guide, John.
Not sure if there's one on the WOC?
I've not stripped one. Maybe not ever so easy, but do-able if you take your time, if I remember correctly.
If you do a search on here, I think you'll find some informative posts on stripping and different guide layouts / lubrication advice.
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Are you lubing the pellets? For years my 45 was dieseling, it only stopped when I ran out of pellets at the club and some one gave me some, the only difference was he didn't lube the pellets
"Men occasionally stumble on the truth, but most of them pick themselves up and hurry off as if nothing had happened" Winston Churchill
http://planetairgun.com/index.php
http://my.tbaytel.net/coopers/HW45Review/review.html
The strip down of my 45
http://planetairgun.com/index.php?topic=7256.0
"Men occasionally stumble on the truth, but most of them pick themselves up and hurry off as if nothing had happened" Winston Churchill
http://planetairgun.com/index.php
I have owned 2 HW45 pistols, a standard one about 10 years ago and a Blackstar more recently. They both dieseled quite badly. A lot of people say it'll stop after a tin or two of pellets, but it still dieseled for me after 2 tins. It also seems to be fine for a bit then after a long break it'll start again.
I stripped mine, wiped away all the grease, although to be honest there wasn't nearly as much as I was expecting for all the smoke. I then sprayed a dry moly into the compression chamber, polished the piston body a little and sprayed some on that, plus a smear of moly grease on the rear 1/4 of the piston. I added a 0.5mm ptfe piston liner so that the grease on the spring doesn't end up flicking into the compression chamber. Also gave the spring ends a quick polish.
The difference was very noticeable. less recoil and I could actually get some fairly decent groups rested (still need to work on my aim unrested). I did notice that the cocking wasn't quite as smooth, so i dabbed a bit of extra moly into the cocking slot and that sorted it out.
http://i29.photobucket.com/albums/c2...psur7xnps3.jpg
http://i29.photobucket.com/albums/c2...pswkpwygo3.jpg
http://i29.photobucket.com/albums/c2...psnsoju8ke.jpg
A couple of pics of the piston liner. Or you can just press the side arrows on the first pic as the album should be public.
The rock-hard plastic piston seal is famous for letting lube past, to create detonation.
Method to reshape the seal is to dry fire the thing a couple of times. Incredible, but see here: http://www.pyramydair.com/blog/2007/...45-air-pistol/
I'm sure Jon Bud put a thread up recently, when he'd changed the factory seal for one of those soft self-lubricating replacment seals from Australia.
Fleabay item number:151837758222
JB was very pleased with it.
RE stripping the '45 - it's a pain in the ass. And if you don't happen to have concave ended pin punches for the main convex headed pins - you're going to leave tool marks on the pins. And possibly mark the pistol's frame if you're not very careful / lucky.
HTHY John.
Last edited by Rickenbacker; 01-04-2016 at 12:57 AM.
Cheers Phil, I suspected the piston seal would be somehow to blame.
Dont think I'll strip it myself but but I'll take a good look at all info you Guys have posted as it may give me an idea on whats going on !
I was going to bring it down to the Bash but it needs a new breech seal which I've ordered so I wont use it until that arrives !
See you tomorrow and Tone !
John.
“An airgun or two”………