No. 2 and 3 Bearing Air Tube Assembly.
Install the Tube Assembly (No. 5 and 6 Bearings). To install
this tube assembly, first put new seals (4 and 7) in the tube
nuts (2 and 5).
Then loosely connect the tube (1) to the
elbow (6) and nipple (3) on the engine. With both ends of the
tube assembly attached to the engine, tighten the tube nuts at
both ends (fig. 1-13).
No. 5 and 6 Bearings Rear Tube Assembly.