Removing the Sludge Cap from the Crank - 1968 Triumph T120R Rebuild

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Engine work! Stacy is working to remove the sludge trap plug on our crank so we can change out the sludge trap tube on our 1968 Triumph T120R. Spoiler: It doesn't come out easy!
"It's possible to wash out the old one but they aren't expensive and it's worth getting a new one."

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30 сен 2020

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Комментарии : 21

@bucktadlock5258 3 месяца назад

Got my 63 thru 70 shop manual from the bonneville shop today, kudos guys, very cool and informative,

@richardahola692 Год назад

Just took the plug out of a '77 750. Tried impact screwdriver and didn't move. I read that the later ones have Loctite and need to be heated. It did have Loctite. I heated it then used an air impact and a drag link socket that was ground to fit the plug slot perfectly. The drag link socket is a 1/2" drive socket with a giant screwdriver blade. The end was ground curved to fit the slot. I held pressure on the impact and it still chewed up the plug. It did come out.

@classicmotorbiker4053 Год назад

This is excellent!! I have a '67 that is not even in the zygote stage yet - but I will come back and refer to this alter... Many thanks again :-)

@pauliebots 3 года назад

Just came from basement and a successful plug removal! Used your video for inspiration but did it differently. First I messed up slot with scewdriver(1966 t120 virgin) then started drilling small holes around perimeter. I was going to do same thing as in your video. Then I thought why not drill holes along the slot and create a "through" slot by working the drill sideways as well as perpendicular. The combination worked. I heated it with propane and tapped a screwdriver all the way in "through plug slot" so there was no way it was slipping out and she turned out still with some difficulty but steadily. My thoughts are that the perimeter holes not only weakened it but allowed heat to penetrate better. I like the idea of creating a "through plug" slot for slipless grip. May have worked just with the slot cut but it was really in there. Motor was in shed for years. You should see the nuts and what not the squirrels left inside! Thanks for the inspiration.

@thebonnevilleshop2314 3 года назад

Right on Paulie! Glad your getting your bike on the road! Where are you at with it these days?

@pauliebots 3 года назад

@@thebonnevilleshop2314 pretty much in the zygote stage.

@steved5518 5 месяцев назад

Can you describe the weight difference between the OE slotted plug and the hex plug you reference? I should think if there's a marked difference it would throw off the balance

@rickconstant6106 3 года назад

I'm surprised you haven't used an impact driver to loosen the plug. It is by far the easiest and quickest method

@thebonnevilleshop2314 3 года назад

We really wanted to approach this from where a lot of regular Joe's might be. If they didn't have an impact driver, what could be done with tools commonly found.

@rickconstant6106 3 года назад

@@thebonnevilleshop2314 Point taken, but 50 years ago, when I had my first Triumph, it was a standard tool to buy, because it was the only way of getting the side casings off the engine without chewing up the screwheads. I still use it now, because my T140V has the original crosshead screws. One of the most useful tools I ever bought.

@pauliebots 2 года назад

@@rickconstant6106 now we have screw guns.

@classicmotorbiker4053 Год назад

@@rickconstant6106 I am in this same camp.... I am on my 3rd Impact Driver - the hammer/mallet changes too. Sometimes the heavier the better!! Last resort has been to re-cut a groove in a worn screw head... 🙂

@rickconstant6106 Год назад

@@pauliebots the problem with using a powered impact wrench on slotted or cross-head screws is that it doesn't thrust the bit into the head of the screw with the same force as a manual, hammered impact driver. The hammer impacts are torsional and rapid, and more likely to cause slippage and damage to the screw head.

@curbmassa 2 года назад

What about the old trick of welding (inside the hole) a nut on top of the plug like they do to remove broken bolts?

@pauliebots Год назад

Yes that would work

@paulpannell6694 10 месяцев назад

A lot of time and effort to remove the plug doing it that way. I suggest drilling and tapping the plug with a left hand thread, as large a diameter as possible, then inserting a bolt to remove.

@emmadunbabin5016 Год назад

Have you never heard of an impact driver? Your one handed 1st attempt with a screwdriver & an adjustable wrench had zero chance of ever working! I’ve done 20+ of these & every time it simply unscrews with an impact driver, you are making a mountain out of a very simple job because you haven’t used the correct (cheap) tool!