Harbor Freight 29 gallon cast iron air compressor (68127) - Break In - Part 2
Video of me breaking in my new Harbor Freight 29 gallon cast iron air compressor (68127). I retorqued the head twice for the pre and post break-in run. The min/max spec for the headbolts are 22/27 N-M. I torqued the headbolts to 22NM for the pre-run and the headbolts to 26NM after the break-in run. Head was cool to the touch. I then did a tank fill-up. It took about 6:35 mins and stopped at 150psi (In the video, I said it stopped at 145psi, but I watched it again today carefully and the compressor cuts out exactly at 150psi, but minutes later, the needle settles right below 150psi).
Harbor Freight central pneumatic 29 gallon 2hp 150psi air compressor model 68127 0-150psi run
Well she's broken in now. I re-retorqued the head bolts one last time per the manual. Took off the air duster and closed the drain valve. This is a 0psi to 150psi run so you can see how long it takes to fill up with compressed air. It's quite long and boring, skip ahead if you wish.
Harbor Freight 29 gallon cast iron air compressor (68127) - Changing Oil - Part 3
Now we change the oil