The International Cessna 170 Association

Update: Called Nickson's about the Accessory Housing, they said the housing is good, relief pin and seat are good, but the oil gears look bad, so the housing and case are being sent back and next week I will be able to inspect the gears and reorder new parts along with all new gaskets and put it bac...

Hello Everyone, Here is an update: Sunday the 27th I took off the Accessory Case, gasket was correct (hard to put on wrong with the pilot pegs), the four bolts where wire tied to the oil pump. So I sent in the case to Nickson's on Monday morning the 28th, I will call tomorrow to see whats up. I left...

Hi Everyone, here is where I am at, unfortunately being a fireman, I can't get to the airport everyday to work on the plane. So Wed. found someone with a tool to clean the seat for the pin, so took care of that then put the pin back in with a nut behind the spring just to keep it closed. (if pressur...

Remove the left mag, and see if you have a mis placed gasket between the accessory case and the left case half. you can remove the spark plugs, crank the engine, use a mirror, and watch the junction of the oil pressure passage way to see if it is bleeding off the pressure there. That is the only po...

If you haven't yet found a place to send your accessory case, Nickson's Machine Shop up in Santa Maria, CA did good work for me in 2006 on all the case and rotating parts. Their website doesn't seem to be there any longer but they still have a yellow pages listing: NIckson's Macine Shop 914 W Bette...

Thank you guys for your insightful answers. Me, not being the mechanic of the plane, only the owner and pilot have learned a lot since starting this project with my A&P, who has 40 years exp. I wish I had all the right terminologies for you, but I don't have the knowledge. I do know that one pla...

We are looking into where to send the accessory case to have the seat repaired. Yes, a bad seat when oil heats up can definately drop pressure. Check the seat as Bruce said to see how the seat is. John This is our belief also. "I just had my Continental 300d rebuilt..." " How many hou...

This is first overhaul at 1500 hrs. First running of engine had low oil pressure, which it didn't have before overhaul. We changed out the relief spring, then oil pressure went up to 55 when cold and dropped down to 15 when hot. It was flown for about 20 minutes, then landed because of drop in press...

Hi All, I just had my Continental 300d rebuilt and installed. Running with Mineral oil till broke in. Problem I am having is as the engine warms up, the oil pressure goes down. The pin and spring have been replace with new, and we noticed that there are some small scratches in the seat for the pin o...