IO 360 Tips and Tricks

[Jsno]

On 9/27/2023 at 8:28 AM, Jsno said:

I use the thread and sealant method of sealing the case and have no problems.  The sealant is just to hold the silk thread in place.  It will fill any minute voids in the surface.  

Take plenty of photos as you assemble so that if you don't remember if you positioned something correctly(gears), and safetied, it will be a good record.

I use moly grease on the cam and tappet faces.  I spray molycoat on the inside of the tappets, gears, cam face, and after it dries i lube the gears and cam.  

Watch those cylinders and the hollow crank.  They will rust very quickly on the inside if left dry.  Use dehydrate plugs on all openings if left to sit.

Be very careful assembling the two halves together  That front bearing will shift ever so slightly and set you back time and money.

You will have to grind down the end of the socket to fit on the rod bearings without the socket rubbing the rod end cut out to get a correct torque.  I had a machinist do this on a lathe on an impact socket.  Your IA may have this.

Be sure to install the rods with the numbers up.  This will be with two rods extended and two retracted on the crankshaft.  Not all extend or two will be upside down.  Lycoming told me this is for proper balance.

Using proper lube and torques are critical.  If you flub a stretch bolt, do  not reuse it.  They are on time use.  

Install the lower mount bolts before you install the mount on the airframe.  The will not fit with the mount on the airframe.

You will then spend an incredible amount of time reinstalling hoses, lines and hook ups when it is on the airplane.

Any questions on the manual, write Lycoming and get an answer before proceeding.  This will save grief later.

I learned everything above the hard way.

Good luck and take your time.

 

 

Also, do not use high temp thread lock on the pipe threaded plugs and fittings,  you will not be able to remove them in the future.

 

[N201MKTurbo]

51 minutes ago, Jsno said:

Also, do not use high temp thread lock on the pipe threaded plugs and fittings,  you will not be able to remove them in the future.

 

I used Loctite 515 on the pipe plugs. It doesn’t leak. The only one I removed was the one on the front right oil gallery to pre-oil the engine. It came out easily. The sealant seemed to lube the threads and make it easier.

[jetdriven]

EZ-Turn fuel line works great on NPT fittings.  It used to be called Parker fuel lube.