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Clean/service a DT11 trigger unit and dirty monoblock face


HantsRob
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So I am the proud owner of a DT11 Gold - whoop! With a nice gun comes great responsibility....

I am getting braver with home "servicing", or rather doing the basics. I am happy to take the stock off, clean the gun, and do everything except anything with the action and trigger group. Now I have a nice gun I want to keep it nice.

I have seen some people dowse the removal trigger assembly with legia and then air hose it dry. I've heard people say you need to strip it properly and grease/oil it but can't give recommended advice of exactly where to oil or grease. Both the same for the receiver also.....

I'm just curious on how to do it properly, and if anyone has any good advice?

Any advice is appreciated. 

I see on the video below a touch of oil, then brushing grease over everything? Is that the best approach for all DTs?

https://youtu.be/4_f6Y-5yHJY

On a side note, the top bit of the monoblock above the ejectors has some.... staining? Normal gun cleaner doesn't shift it, do I need a more abbrasive cleaning product to get that sparkling again?

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3 minutes ago, HantsRob said:

 

So I am the proud owner of a DT11 Gold - whoop! With a nice gun comes great responsibility....

I am getting braver with home "servicing", or rather doing the basics. I am happy to take the stock off, clean the gun, and do everything except anything with the action and trigger group. Now I have a nice gun I want to keep it nice.

I have seen some people dowse the removal trigger assembly with legia and then air hose it dry. I've heard people say you need to strip it properly and grease/oil it but can't give recommended advice of exactly where to oil or grease. Both the same for the receiver also.....

I'm just curious on how to do it properly, and if anyone has any good advice?

Any advice is appreciated. 

I see on the video below a touch of oil, then brushing grease over everything? Is that the best approach for all DTs?

https://youtu.be/4_f6Y-5yHJY

On a side note, the top bit of the monoblock above the ejectors has some.... staining? Normal gun cleaner doesn't shift it, do I need a more abbrasive cleaning product to get that sparkling again?

Links not working 🙁

sorry

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I do similar with all my guns including a DT10. I wouldn't be afraid of doing most things at home. It's not rocket science if you have a decent place to work. I spray the action out will with tetra action blaster then legia and blow off followed by a couple of drops of gun oil on any contact points and pivots. Less is more. Getting to know your gun is a wonderful thing but I find they are so reliable I don't often have to do much beyond cleaning even with 8 guns.

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Why tetra followed by legia, and not just legia?

So far I've just cleaned it out with cotton buds, it's new enough it's not really dirty yet but interested to know what points to oil as that purdey vid only has 3 places, but then brushes on grease.

11 minutes ago, Old farrier said:

Links not working 🙁

sorry

You know I am trying to avoid saving this for the next time I see you and harass you with questions ;)

I really respect your knowledge, and to others here also :)

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6 minutes ago, Old farrier said:

If it’s working and you haven’t got it wet leave it alone other than a normal clean 😂😂

I’ll take some pictures of the cleaning instructions tomorrow and post them 😊

usualy send the butler to the gunmaker for instructions on the cleaning process did they not offer this service 🤔

I got drenched at barbury a week or two ago, however the trigger group and receiver were bone dry. Appreciate the second sentence!

Sadly the butler is on leave, or I'd have sent them toot sweet off for the full instructions before actioning them ;)

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Personally I’d leave the trigger group alone, it’s pretty well protected, unless you get it soaked or it’s really dirty, don’t touch it. I’ve heard of people blasting them with vp90 cleaner than air line, but honestly trust me when I say they’re pretty bomb proof. You’ll end up fixing it until you break it. 
think the staining is actually surface rust, picture would help to determine. But even if you clean it off, it will more than likely return. You can use a scotch pad in a single direction matching the brushing of the surface to clean it up, but it’s naked metal. 
avoid white grease on the DT11. Just use oil on the pivots and usual places etc.. wipe off the excess and shoot it. If you use grease it will be loose as a loose thing within no time at all. 
 

Edited by TK421
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37 minutes ago, TK421 said:

Personally I’d leave the trigger group alone, it’s pretty well protected, unless you get it soaked or it’s really dirty, don’t touch it. I’ve heard of people blasting them with vp90 cleaner than air line, but honestly trust me when I say they’re pretty bomb proof. You’ll end up fixing it until you break it. 
think the staining is actually surface rust, picture would help to determine. But even if you clean it off, it will more than likely return. You can use a scotch pad in a single direction matching the brushing of the surface to clean it up, but it’s naked metal. 
avoid white grease on the DT11. Just use oil on the pivots and usual places etc.. wipe off the excess and shoot it. If you use grease it will be loose as a loose thing within no time at all. 
 

Thankyou. :)
Pic to follow....

Why avoid white grease? I usually use ProNatur PTFE grease on the knuckle faces and pivots. Are you saying no grease or is there something in white grease? 

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Just now, HantsRob said:

Thankyou. :)
Pic to follow....

Why avoid white grease? I usually use ProNatur PTFE grease on the knuckle faces and pivots. Are you saying no grease or is there something in white grease? 

Controversial I know, but pretty much avoid all grease as it holds the dirt more. Sounds to me like you’re a regular cleaner, so a good quality oil. Drip on, wipe off, clean after every shoot. Then repeat. 
I’ve had 4 DT11’s. 2x EELL’s. Was told a while ago by the guys at Beretta to not use grease, this was after one was returned to them, oil only. Since that day I always used oil. I noticed on a new one how quick it loosened up whilst using the grease, so stopped using it. 
stay on top of it and keep it lightly oiled. It always felt better oiled as well.

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All oil and/or grease - you should always wipe off the old (along with any grit, dust, burnt powder residue) and use a very sparing amount of fresh clean oil/grease.

Inevitably, oil/grease gets contaminated, so cleaning off old dirty oil/grease and using fresh is important to reduce wear.

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11 hours ago, HantsRob said:

ED4AD7C1-A4A1-4206-BBB4-30BBD6FC978D.jpeg.b7ef778d74fe08d8adcddee990be2ea1.jpeg

Yes I clean it after every shoot. 
 

hmmm potentially just oil from now on then. I guess grease can become a grinding paste…

☝️ Exactly this.

People tend to go overboard. Only need a tiny amount, more comes off than stays on. The DT11 has tendency to splatter tiny specs of oil onto your glasses if you use too much and you’ll wonder where it’s coming from. Speaking from experience lol. 
 

how olds the gun? Guessing its not new? How far is the top lever from centre ? How much of the locking bolt is visible/protruding when shut? Presume it’s closing/locking up nice and tight? 
 

scotch pad should bring those marks off. Just be careful on the bluing though. I’ve got a feeling they’ll be back though. 

Edited by TK421
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What's the gun like "in the flesh" is the gold subtle or does it look a bit OTT? What barrel length and discipline eg sporter it trap?? I like the look of them tbh .

I had my Perazzi MX8 about 10yr, cleaned it religiously after every shoot, used cotton buds and an air line in the action to get the old white Perazzi grease off then re-applied with a cotton bud, I rarely took the trigger action out , I think I dabbed  the smallest amount of oil on it maybe twice, my gun had the same staining as your picture, I just lived with it .

 

Edited by retromlc
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39 minutes ago, retromlc said:

What's the gun like "in the flesh" is the gold subtle or does it look a bit OTT? What barrel length and discipline eg sporter it trap?? I like the look of them tbh .

I had my Perazzi MX8 about 10yr, cleaned it religiously after every shoot, used cotton buds and an air line in the action to get the old white Perazzi grease off then re-applied with a cotton bud, I rarely took the trigger action out , I think I dabbed  the smallest amount of oil on it maybe twice, my gun had the same staining as your picture, I just lived with it .

As it’s a dt11 it’s physically and visually big. On a shoot people went to it quickly as it stands out in the rack. But…. I think the gold gives it a discrete look rather than azure blue. I think it’s a lot prettier than then normal edition, it’s a 31” sporter. 
 

I guess the staining is just normal. It’s good to get reassurance from people just to ensure I’m not doing anything wrong, just really surprised at the no grease comment! 

1 hour ago, TK421 said:

The DT11 has tendency to splatter tiny specs of oil onto your glasses if you use too much and you’ll wonder where it’s coming from.

how olds the gun? Guessing it’s not new? How far is the top lever from centre ? How much of the locking bolt is visible/protruding when shut? Presume it’s closing/locking up nice and tight? 

Avoid splashback - a good rule to live by!

hmm I believe 9 months old. Previous owner I suspect has put 3/5 thou through it at least and did not take care of cleaning it. If 6pm is dead straight, around 5pm maybe? The locking bolt protrudes by maybe 1mm? It locks perfectly and is super tight yes. 

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6 minutes ago, HantsRob said:

As it’s a dt11 it’s physically and visually big. On a shoot people went to it quickly as it stands out in the rack. But…. I think the gold gives it a discrete look rather than azure blue. I think it’s a lot prettier than then normal edition, it’s a 31” sporter. 
 

I guess the staining is just normal. It’s good to get reassurance from people just to ensure I’m not doing anything wrong, just really surprised at the no grease comment! 

Avoid splashback - a good rule to live by!

hmm I believe 9 months old. Previous owner I suspect has put 3/5 thou through it at least and did not take care of cleaning it. If 6pm is dead straight, around 5pm maybe? The locking bolt protrudes by maybe 1mm? It locks perfectly and is super tight yes. 

Excellent news. Have you dated it from the letters on the monoblock? 

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I didn't know they did 31" in the gold, just 30/32",I believe they have introduced a 31" length , emblazoned on the front side of the barrels, I wonder if they swapped barrels or did a run with 31"?? Age wise it should be 2020 or later I guess, maybe 2019 before the Olympics than never happened 

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This is the same area on my Beretta.

IMG_3630.jpeg.147d62641f9c83daec403fb8bf93a2e1.jpeg

I bought this circa 1998 (new) and it is an SO (similar to DT in the action and barrels).  Probably had 50 to 75 thousand cartridges through it and walked many miles with me.  As you can see, the rear of the monobloc has similar markings to yours.  Still 'tight', though now moves easily rather than the stiffness that persisted for a couple of years when new.  I have always used grease on the hinge and lock up moving surfaces, but cleaned off and regreased after each outing. 

Contrary to a recent "Johnny TGS" video my SO is a monobloc (like DTs), not dovetails as he shows them being made now.

 

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2 hours ago, TK421 said:

Looks to me to be a 2020 gun. 

Yup. I think I have the original sales receipt showing when it was bought. So I don’t disagree about made in 2020, but it was only bought mid 2021 I believe. 

there’s still a couple brand new going on guntrader. 
do you know what the stamp is to the left (in the photo it’s below) of the barrel weight? 

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