1, Loosen the setscrew that secures the ring with the time meridian indicator.
2, Loosen setscrew 2, and remove thread tention as m 5.
3, Loosen setscrew 1 in the oil shield plate, and remove oil shield plate 2.
4, Equipped with four different electromotive spanner, can be in the sleeve size 3 seconds easily remove or tighten various kinds of car wheels setscrew 1.
5, The leadscrew is threaded into half of the journal and one of my homemade setscrew collars is keeping it in place.
6, Set "0 hour" on the R. A. and hour graduation ring to the R. A. indicator after loosening the graduation-ring setscrew.