You do not need to "char" Loctite to seperate parts. Loctite will soften (it is a polymer), and make it easier to separate parts at a much lower temp. I have removed many parts, bearings, bushings, screws and nuts, by heating just enough for the Loctite to soften and make removal easy. Never to a point where anything would char.Yes, the fat in the soap will char with the alkali..... at somewhere around 200 to 250C. (I think!). This is above the char temperature for the loctite. Just warm the whole job, not any specific zone.... (I reckon. You'll soon tell me if I am wrong!). As I don't have your head and valve seats I can't try it for you..... hot air gun should be fine....
Take care whatever you do.
If drawing calls for a .015 seat, is that .015 dimensioned at A, or at B?Hi !
The model's rocker cover is pretty similar to the drawn steel original but was machined from a block of 6061 aluminum. A significant difference between them is the original cover attached to the head with seven hex bolts around its perimeter, while the model's cover will be held down with three...www.homemodelenginemachinist.com
When using an ultrasonic cleaner, do you clean parts every time you change grit size, and how long do you keep in the ultrasonic cleaner for?I should use spirit initially, then soap and water. An ultrasonic cleaner ($20) is cheap and effective to clean these things well with a drop of detergent in the water bath. Uten 600ml Ultrasonic Cleaner Timer Jewellery Coins Cleaning Machine With Basket | eBay