Aermotor Redux

Unsticking a very stuck and rusty Aermotor 8-cycle water-pumping gas engine – Part 1 of 2

Aermotor Latch Pivot Bolt
The hit-and-miss latch pivot bolt is also one of the four main bearing mounting bolts. This 6-inch bolt and three other regular 7-16-inch bolts hold the crankshaft to the engine's main frame. 
Photo By Dave Irey