In order to drive the generator , {HEAD ~ an idler gear} meshes with {TAIL ~ power distribution gear member} and with a gear shaft member journaled by the gear box  
In order to drive the generator , { HEAD ~ an idler gear } meshes with { TAIL ~ power distribution gear member } and with a gear shaft member journaled by the gear box
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH