Winchester 1100 from Sportsman's Guide Part 1



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Offline ezman604

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Winchester 1100 from Sportsman's Guide Part 1
« on: February 21, 2016, 10:09:38 PM »
I guess I have committed myself to this project. LOL
It's been WAY too long since I had the time to hit the bench so this project (and a few others I'm now working on) is pure therapy for me!!!
Not sure how many parts this will involve but I can see 3 parts at least. An initial evaluation and teardown, a tune process and reassembly/test. May also do a separate thread for the stock since I have no love for the Chinese finish you find on most lower end airguns.
Here we go...



On the operating table waiting.





I almost immediately got one question answered. And that was are these Chinese made Daisy airguns anything like the last Turkish ones. Well, nope that are not alike.
First clue was the angled screws at the forward mount. Hatsan made Daisy/Winchester/Powerline aurguns used level, straight in screws. Next clue was when I separated the stock and action. The trigger group is totally different. Gonna be a learning experience for me on the trigger group. I enjoy a challenge. LOL





I guess they really didn't want any rust in these, hence the 5 pounds of grease in the chamber. LOL



In this version they also used a grub screw on the breech bolt. Try to tighten the breech bolt just a tad to help remove the grub screw without stripping the head out. Been there done that.
:)



And another interesting change to this model is the beartrap lever. Instead of riding on a bushing on the cocking lever, this one actually has a shoe that rides in the cocking slot just behind the cocking lever shoe.





I shot it across the Chrony and tested the trigger pull for my baseline.
After logging the results, I see this one had a high of 955.78fps and a low of 938.73fps. For an average of 947.10fps for 15.74fpe. I was quite surprised the trigger pull had an average of around 5lb. Not bad for the big clunky apparatus. LOL
Will start "Part 2-The Tune" hopefully before the end of the week, time permitting. I have actually gotten a lot of this part done but want to finish it and photograph a bit more of the process.

Stay tuned and as always....
SAFE & Happy Shooting!!!!
Dave
 8)



Revelation 760 PumpMaster (Vintage 1967)
Powerline 1000S .177 (semi-tuned by me & innards by kiwi Pete)
Benjamin Super Streak .177/.22 (converted to NP & w/GRT-III)
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Benjamin Trail NP XL1100 (home tuned by muwah with Tuna trigger)
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Offline Throw_far

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #1 on: February 21, 2016, 10:27:32 PM »
I look forward to any advice you can give to improve the trigger. Thank you for taking the time to post your adventure.
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Offline Rocker1

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #2 on: February 22, 2016, 06:12:44 AM »
Good stuff Dez,  that trigger looks like a conglomeration.  David
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Offline peevee

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #3 on: February 22, 2016, 08:29:03 AM »
Thanks! Will be eagerly watching the next couple parts.
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Offline ezman604

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #4 on: February 22, 2016, 10:26:03 AM »
Here is how this trigger group functions.
Trigger blade is pinned and spring loaded with a first stage lever.



As you pull the trigger, the blade and the first stage lever travel together until the lever hits the non-adjustable ramp (or stop).
The ramp stops the first stage lever and the spring between the trigger blade and first stage lever allows the trigger to continue through the cycle. At this point the trigger blade starts moving the secondary sear which in turn puts the main sear in motion. Interesting setup. I believe some spit and polish and a touch of secret trigger sauce will lighten and smooth the trigger operation up some. Not sure how much but we will see.
:)
Revelation 760 PumpMaster (Vintage 1967)
Powerline 1000S .177 (semi-tuned by me & innards by kiwi Pete)
Benjamin Super Streak .177/.22 (converted to NP & w/GRT-III)
Weihrauch HW97K .177
Benjamin Trail NP XL1100 (home tuned by muwah with Tuna trigger)
Stoeger X-20 RAMmed by Gene and Tuna trigger
Winchester 1000SX .177 (semi-tuned by muwah)
Winchester 1000B RAMmed by Gene
Crosman 1377 "Goldfinger"
Disco .22 Multi-Shot Custom

Ain't this a great place to be

Offline ezman604

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #5 on: February 22, 2016, 10:27:12 AM »
And time permitting, I'll take a closer look at the trigger blade itself and see if building a new aluminum or brass trigger would be of benefit.
Revelation 760 PumpMaster (Vintage 1967)
Powerline 1000S .177 (semi-tuned by me & innards by kiwi Pete)
Benjamin Super Streak .177/.22 (converted to NP & w/GRT-III)
Weihrauch HW97K .177
Benjamin Trail NP XL1100 (home tuned by muwah with Tuna trigger)
Stoeger X-20 RAMmed by Gene and Tuna trigger
Winchester 1000SX .177 (semi-tuned by muwah)
Winchester 1000B RAMmed by Gene
Crosman 1377 "Goldfinger"
Disco .22 Multi-Shot Custom

Ain't this a great place to be

Offline lefteyeshot

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #6 on: February 22, 2016, 11:09:52 AM »
Just want to follow this. I have a 1100. Yes lots of grease.
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Offline WxRadarman

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #7 on: March 01, 2016, 10:30:52 AM »
ezman604 -- Thanks for the pics.  Disassembled my 1100S this week -- seal is in bad shape.  Couldn't for the life of me remember how the trigger fit back on the assembly.  The pics you have solved the mystery for me.

Still not sure where the metal came from in the face of the seal -- I guess they didn't clean the receiver out very well when they assembled it?
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Offline ezman604

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #8 on: March 01, 2016, 10:42:22 AM »
I've been WAY too busy with happenings to even get back down to my shop to pick back up on this project. My seal wasn't quite that bad but I replaced it anyway. :)
Think it is a Maccari small APEX seal. It was a spare tossed in a drawer of Gene's leftover seals. :)
Anyway, I have done some piston cleanup and reseal. I did notice a lot of scrapings inside the piston from the spring. That might account for the metal shavings or possibly a not so smooth cocking slot. Metal against metal generated the shavings and could have come from any place on the piston or in the chamber.
Glad the trigger photo helped. I'm sure it will help me when I get around to the trigger tuning and reassembly. Hopefully this weekend. I'm anxious to see the difference in the feel of this airgun once reassembled.

Revelation 760 PumpMaster (Vintage 1967)
Powerline 1000S .177 (semi-tuned by me & innards by kiwi Pete)
Benjamin Super Streak .177/.22 (converted to NP & w/GRT-III)
Weihrauch HW97K .177
Benjamin Trail NP XL1100 (home tuned by muwah with Tuna trigger)
Stoeger X-20 RAMmed by Gene and Tuna trigger
Winchester 1000SX .177 (semi-tuned by muwah)
Winchester 1000B RAMmed by Gene
Crosman 1377 "Goldfinger"
Disco .22 Multi-Shot Custom

Ain't this a great place to be

Offline Mikes Garage

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #9 on: March 01, 2016, 10:01:36 PM »
Nice to see you guys are making progress!  Any tricks to getting this gun open?  I tried putting pressure on the rear block, but the two pins don't seem to get any looser.  I must be missing something...

Offline ezman604

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #10 on: March 01, 2016, 10:15:46 PM »
Remove the pin from the safety lever. Remove the lever. Tap the rear pin out. Set the receiver in a spring compressor and apply a little pressure to the rear guide. Tap the other pin to see if it will move. You may have to add or remove some pressure with the compressor to get tension off of the pin to finish driving it out.
Revelation 760 PumpMaster (Vintage 1967)
Powerline 1000S .177 (semi-tuned by me & innards by kiwi Pete)
Benjamin Super Streak .177/.22 (converted to NP & w/GRT-III)
Weihrauch HW97K .177
Benjamin Trail NP XL1100 (home tuned by muwah with Tuna trigger)
Stoeger X-20 RAMmed by Gene and Tuna trigger
Winchester 1000SX .177 (semi-tuned by muwah)
Winchester 1000B RAMmed by Gene
Crosman 1377 "Goldfinger"
Disco .22 Multi-Shot Custom

Ain't this a great place to be

Offline JWOAdventures

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #11 on: March 01, 2016, 10:34:07 PM »
 Looks good and I cant wait to you finish the tune and post some results.

Offline Mikes Garage

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #12 on: March 02, 2016, 05:54:35 AM »
Remove the pin from the safety lever. Remove the lever. Tap the rear pin out. Set the receiver in a spring compressor and apply a little pressure to the rear guide. Tap the other pin to see if it will move. You may have to add or remove some pressure with the compressor to get tension off of the pin to finish driving it out.

Thanks Dave, I'll give that a try.  The main pins must need more pressure than I've been giving them.

Offline Mikes Garage

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #13 on: March 03, 2016, 02:21:08 PM »
Dave, Keith,

I'm embarrassed to ask this, but I think it will get me moving again at least - I have both pins out but no movement at all.  I can't see how the trigger group comes out, and it won't budge at all.  Would you mind helping me out and explaining how you got the trigger out?    It's been a while since I've been on the bench, too...

Best,

Mike

Offline ezman604

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #14 on: March 03, 2016, 03:33:58 PM »
LOL
Surprised everything hasn't blown out the back yet.
Pull the pin for the safety lever and remove the lever.
Drive out the rear large pin and remove the end cap.
NOW put it in the spring compressor and apply some pressure to the rear guide. There again, you have to feel or see how much pressure to add or take away to free up the pin.
(I know you have the pin out already)
Apply pressure from the spring compressor.
The trigger group slides into a notch cut into the receiver. You will have to tap it toward the rear of the receiver to remove it.
Just be careful and make certain you have enough pressure on the rear guide to prevent everything from flying out the back of the receiver when the trigger group breaks free.
More photos coming this weekend....I hope.
Sorry for leaving so much out of the disassembly. I've really not had time to get back to the shop.
:)
Revelation 760 PumpMaster (Vintage 1967)
Powerline 1000S .177 (semi-tuned by me & innards by kiwi Pete)
Benjamin Super Streak .177/.22 (converted to NP & w/GRT-III)
Weihrauch HW97K .177
Benjamin Trail NP XL1100 (home tuned by muwah with Tuna trigger)
Stoeger X-20 RAMmed by Gene and Tuna trigger
Winchester 1000SX .177 (semi-tuned by muwah)
Winchester 1000B RAMmed by Gene
Crosman 1377 "Goldfinger"
Disco .22 Multi-Shot Custom

Ain't this a great place to be

Online Sfttailrdr46

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #15 on: March 03, 2016, 04:10:17 PM »
Glad to see you are getting some therapy time. Once the warm weather gets here I need to do 2 things get to the range for some quality time with some of my toys and a few hours with the hood up on the Mustang to install the new BBK 73mm throttle body 
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Offline WxRadarman

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #16 on: March 03, 2016, 04:40:58 PM »
Dave, Keith,

I'm embarrassed to ask this, but I think it will get me moving again at least - I have both pins out but no movement at all.  I can't see how the trigger group comes out, and it won't budge at all.  Would you mind helping me out and explaining how you got the trigger out?    It's been a while since I've been on the bench, too...

Best,

Mike

There is an allen head screw under the trigger.  You must remove the trigger to get to it.

Stumped me too.  Pic below.
  • Huntsville, AL
Keith

.25 Marauder -- Optima 3x9-40AO
.22 D34 - Hammers 3x9-32AO
.177 Bone Collector Bull Whisper - Simmons 3x9-32
GRT-4G Trigger & Tuned by Keith -- 1st tune for me
.177 WINCHESTER 1100S
Tuned by Keith -- 2nd tune for me

Offline ezman604

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #17 on: March 03, 2016, 05:33:51 PM »
Dooohhhh....see, I need more bench time. And finish a portion of a description before stopping.
LOL
My apologies, the trigger group can be tapped out and then you can get access to the hidden allen screw/bolt that helps hold the rear guide assembly in place. Make sure you have it in a spring compressor and tension applied when you remove the allen screw/bolt.
Revelation 760 PumpMaster (Vintage 1967)
Powerline 1000S .177 (semi-tuned by me & innards by kiwi Pete)
Benjamin Super Streak .177/.22 (converted to NP & w/GRT-III)
Weihrauch HW97K .177
Benjamin Trail NP XL1100 (home tuned by muwah with Tuna trigger)
Stoeger X-20 RAMmed by Gene and Tuna trigger
Winchester 1000SX .177 (semi-tuned by muwah)
Winchester 1000B RAMmed by Gene
Crosman 1377 "Goldfinger"
Disco .22 Multi-Shot Custom

Ain't this a great place to be

Offline Mikes Garage

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #18 on: March 03, 2016, 09:23:26 PM »
Thanks Gents.  You're awesome.  I will report back on how things go and what condition I find inside.

Mike

Offline stonykill

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Re: Winchester 1100 from Sportsman's Guide Part 1
« Reply #19 on: March 07, 2016, 09:23:17 AM »
 While waiting patiently for an update...  :D

  I wonder aloud if she will perform like the originals. Like my tuned Turkey 05 Powerline 1000s? Tuned a bunch of years ago now.

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