Pictures associated with the Technical Report on the King Pine Rollback of 3/23/2015

Appendix 1

Pictures associated with the Technical Report: King Pine Rollback

Picture 1 Coupling and low speed torsion shaft

Picture 2 Hollow Shaft with cavity for low speed torsion shaft

Picture 3 Damaged and undamaged couplings

Picture 4 Damaged and undamaged couplings

Picture 5 Coupling low speed torsion shaft, damaged oil seal and bushing

Picture 6 Damaged rotating element of the thrust bearing

Picture 7 Undamaged rotating element of a thrust bearing

Picture 8 Lower plate of thrust bearing damaged by grooving and deformation

Picture 9 Top plate of thrust bearing attached to Sun Gear. Planet and Ring gear are also seen.

Picture 10 Bottom of low speed torsion shaft

Picture 11 Drop dog and solenoid after bullwheel was removed

Picture 12 Drop dog and solenoid in place on lift

Picture 13 Underspeed switch in place on lift

Picture 14 Wedge and bullwheel brake in place on lift

Picture 15 Bullwheel flange and wedge with “shaved” off top.

Pictures associated with the Technical Report on the King Pine Rollback of 3/23/2015

Inside of coupling missing spline teeth Teeth enmeshed

Picture 1 Coupling and low speed torsion shaft

Pictures associated with the Technical Report on the King Pine Rollback of 3/23/2015

Portion on top of hollow tube where torsion shaft and coupling wore down the top of tube

Picture 2 Hollow Shaft with cavity for low speed torsion shaft

Pictures associated with the Technical Report on the King Pine Rollback of 3/23/2015

Worn/damaged coupling Undamaged area of same type of coupling

Picture 3 Damaged and undamaged couplings

Pictures associated with the Technical Report on the King Pine Rollback of 3/23/2015

Damaged/worn coupling Undamaged coupling

Picture 4 Damaged and undamaged couplings

Pictures associated with the Technical Report on the King Pine Rollback of 3/23/2015

Bushing Oil Seal

Picture 5 Coupling low speed torsion shaft, damaged oil seal and bushing

Pictures associated with the Technical Report on the King Pine Rollback of 3/23/2015

Pieces of the thrust bearing: retaining ring, spacers, rolling elements

Picture 6 Damaged rotating element of the thrust bearing

Pictures associated with the Technical Report on the King Pine Rollback of 3/23/2015

Pieces of the thrust bearing: retaining ring, spacers, rolling elements

Picture 7 Undamaged rotating element of a thrust bearing

Pictures associated with the Technical Report on the King Pine Rollback of 3/23/2015

Grooving Deformation

Picture 8 Lower plate of thrust bearing damaged by grooving and deformation

Pictures associated with the Technical Report on the King Pine Rollback of 3/23/2015

Ring gear Sun Gear Damaged Upper Thrust Bearing Plate Planetary Gear

Picture 9 Top plate of thrust bearing attached to Sun Gear. Planet and Ring gear

are also seen.

Pictures associated with the Technical Report on the King Pine Rollback of 3/23/2015

Splined gear teeth of low speed torsion shaft that goes into the sun gear

Picture 10 Bottom of low speed torsion shaft

Pictures associated with the Technical Report on the King Pine Rollback of 3/23/2015

Drop dog Solenoid

Picture 11 Drop Dog and solenoid after bullwheel was removed

Pictures associated with the Technical Report on the King Pine Rollback of 3/23/2015

Drop dog Solenoid

Picture 12 Drop dog and solenoid in place on lift

Pictures associated with the Technical Report on the King Pine Rollback of 3/23/2015

Bullwheel Wheel connected to switch Underspeed switch

Picture 13 Underspeed switch in place

Pictures associated with the Technical Report on the King Pine Rollback of 3/23/2015

High Side of Wedge Bullwheel upper flange Emergency brake liner

Picture 14 Wedge and bullwheel brake in place on lift

Pictures associated with the Technical Report on the King Pine Rollback of 3/23/2015

Wedge that was “shaved off” Bullwheel

Picture 15 Bullwheel flange and wedge with “shaved” off top.