If I could bring them together, I would look for alignment of the spindle with the anvil and see if the faces meet plane-to-plane. Tactile inspection would include, if the spindle was free, running the tool through the entire range and noting any non-uniform drag or places where it sticks. Penetrating oils do a great job for this type of work. DuBois argued that a "color line" stretched across what? . Digital Micrometer Features Range: 900-1000mm (36-40") Resolution: 0.001mm (0.00005") Accuracy: 0.01mm (0.0005") Adjustment rods Ratchet drive Locking screw Zero at any point mm-inch conversion Carbide measuring faces Hardened stainless steel spindle Incremental or absolute measurements Power: 1.5V LR44 Battery (Included) Standard: DIN 863 Digital functions: tolerance indication, on/off . 4 years ago Once the cap is loose, we can remove it to see that there is a machined button end on the spindle and a machined annular surface inside the cap. No oil goes anywhere else. 25-50mm . 10-27-2013, 01:02 PM. On the other hand, I had good reason to think it can be repaired, though a few things make it a definite borderline case. I havnt recieved it yet it was supposed to be delivered fri but i should recieve it any day now. Often, the spring is also there, but they do sometimes get lost. MOORE & WRIGHT externes Mikrometer 3"" - 4 - EUR 14,80. Next on the slippery slope to precision measurement is often a micrometer. You can get a good fit in the hole and provided it's not. Did you make this project? The castellated faces mesh when properly assembled, and by rotating them relative to each other, the free play in the thread can be adjusted. The damaged ratchet speeder is not making for a warm, fuzzy feeling, but the thimble itself appears undamaged, so it isn't a big worry. BEFORE DOING THIS: there are two setscrews in each location. I use a toothpick with the end carved as a thick slot-type screwdriver to grab them and replace them. The stem should rotate easily. If it didn't go in dead freely, then the fingers for the wear adjustment could be gently spread using a small screwdriver in the gaps. Making sure they were burr free. Cheap tools don't have the repeatability or precision to do good work, and are often unpleasant to use. You are using an out of date browser. In this example, the spindle is run to its zero position on a 1" gauge block, and the thimble is positioned for the desire reveal of the graduation lines. To understand the adjustment procedure, we'll look at how the unit is constructed. Catalogue description Records of Moore and Wright, manufacturers of micrometers and engineers' precision tools This record is held by Hawley Collection at Kelham Island Museum See contact. For many situations this is more all that is needed. This is a Scherr-Tumico, with adjustment design from the Geo. If it requires enough force that the screw might strip or the head break off, then it gets interesting. The goal is to not ruin the precision of the tool. 22K views 5 years ago Here's a quick video showing how to adjust your micrometers so they read zero when fully closed. Once the oil worked through and the spindle, begrudgingly, began to free up, I ran it in, not out. The indicating edge of the thimble isn't dented and is concentric to the barrel, so the thimble and spindle end are probably not bent. Early Model Tool and quite hard to find I believe as no other ME6 19258 now . Even if it doesn't move, the force can help open up microscopic gaps that let capillary action do it thing. I called Starrett and they want 79.00 to rebuild this micrometer. Moore & Wright 1966MB150 Ext Micrometer 125-150mm . On this model, it slides straight out of away from the frame. DO NOT use WD40 or any other substance that will get tacky or dry out. If moderate force the proper direction doesn't free it, then time to dig.The setscrew cap (in the photo) pops off exposing two setscrews.