FlyboyKC Posted March 29, 2017 Report Posted March 29, 2017 I lost a grease fitting on my 68 M20g. I am trying to figure out what size/part number to order. Its from the landing gear and its a small grease fitting, smaller than 1/4" it seems. I tried a 6mm which seem to fit, but the treads seemed different because it didn't want to tighten. The IPC calls for a part number of MS15002-1 Spruce shows this as a 1/4-28 tapered. The IPC also shows a 3c18 51004-007 (which I can't seem to find.) and the diagram in the IPC is awful. Anyone got any ideas? Thanks Neal Quote
FoxMike Posted March 29, 2017 Report Posted March 29, 2017 You could try removing one from a nearby location and see if it fits. If it does run down to NAPA or other parts store and match it. Quote
carusoam Posted March 29, 2017 Report Posted March 29, 2017 Expect that they are not threaded. They are detailed in a thread around here somewhere. They have a tendency to fall out every now and then. Expect that they are pressed into their location. PP knowledge only, when I could use some mechanic skill if I had it.... Best regards, -a- Quote
RobertGary1 Posted March 29, 2017 Report Posted March 29, 2017 Pretty much assume I'll replace one every annual. Lots of different ones so I try to get an inventory -Robert Quote
Guest Posted March 29, 2017 Report Posted March 29, 2017 7 hours ago, FlyboyKC said: I lost a grease fitting on my 68 M20g. I am trying to figure out what size/part number to order. Its from the landing gear and its a small grease fitting, smaller than 1/4" it seems. I tried a 6mm which seem to fit, but the treads seemed different because it didn't want to tighten. The IPC calls for a part number of MS15002-1 Spruce shows this as a 1/4-28 tapered. The IPC also shows a 3c18 51004-007 (which I can't seem to find.) and the diagram in the IPC is awful. Anyone got any ideas? Thanks Neal Neal, Can you post a picture of where its supposed to go? There are several different ones in use. Clarence Quote
cnoe Posted March 29, 2017 Report Posted March 29, 2017 If you're looking for the one that goes in the forward main-gear pivot bearing (that falls out occasionally) it's an Alemite 3019. It's not threaded; it presses in. Sent from my iPad using Tapatalk Quote
1964-M20E Posted March 29, 2017 Report Posted March 29, 2017 They seem to break off real easy too. 1 Quote
FlyboyKC Posted April 2, 2017 Author Report Posted April 2, 2017 I have attached a couple of pictures. It looks like the grease fittings on the gear will work in the other location as well. These appear to be a screw in type. Thanks for the continued assistance. Neal Quote
carusoam Posted April 2, 2017 Report Posted April 2, 2017 (edited) Often they appear to be screw in... Very often they are press in... The parts manual probably shows exactly what they are... The press in ones have a tendency to come out every now and then. What they got replaced with over the decades is probably hard to actually know. PP thoughts only, Not a mechanic. Best regards, -a- Edited April 2, 2017 by carusoam Quote
Guest Posted April 2, 2017 Report Posted April 2, 2017 The grease fitting in the aft gear trunnions bearing is normally a screw in type. As noted above the forward one is a press in style. All others are screw in style. Clarence Quote
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