Monday, 6 March 2017

15 hr maintenance on UL engine

The 15 hour maintenance is all done and there were no problems.

As you will see below the oil filter had a fair load of crap in it.

The cylinder head torques were ok. 

The tappets all needed adjusting (tightening). The inlets were pretty close to correct but the exhausts were all loose. I put a pen mark on the top of the starter ring gear and alternator fan to show where top dead centre is as it's impossible to see the factory mark when it is in position vertically. 

I gave it a test run on Saturday and all was well.

Still waiting on the full Permit to Fly to arrive - I expect it will be another week or so.


Draining the oil - when I lifted the tail quite a bit more oil came out. It's a good idea to do this as the drain plug is positioned towards the front of the sump and if the tail is down you won't get all the old oil out.

Adjusting the tappets.

This was the worst section of filter.
The whole filter element. Click to see larger view.

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