Painted black stripe on shaft and we got it installed last night. We also developed and documented the shaft change procedure.
Notes to replace bottom shaft.
1) loosen parachute mount and remove bottom bolts. Lift out of the way.
2) Remove button head cap screws for flap pivots.7/32 Allen and 9/16 wrench
3) disconnect parachute cable from latch.
4) remove the five 3/8 bolts from the stinger to the rear end.
5) lift stinger up and out.
6) remove rear end quick change gear cover (catch oil)
7) remove driveshaft
Remove yolk
9) Remove shaft through back of rear end. (Knock out from front)
10) using the extend a magnet. Fish magnet through from front of rent all the way through the rear bearing.
11) slide snap ring retaining ring through the rear bearing over top of the magnet stick.
12) stick a magnet to center of new bottom shaft.
13) slide shaft into rear end from rear keeping magnet on end of shaft.
14) as shaft approaches bearing. Person in front of rear-ended will need to finish the ring on to the end of the shaft.
15) finish sliding shaft home.
16) reinstall yolk using sealant.
Rob Freyvogel