a Stainless
b Optional for engine suspension frame
c The rotary seal has been introduced as from following S/N. Up to this S/N the rotary seal has to be exchanged together with part no. 926274 / 922224:
912 A: 4,410.366, 912 F: 4,412.791, 912 S: starting with serial production 912 UL: 4,403.283, 912 ULS: starting with serial production
914 F: 4,420.157, 914 UL: 4,417.783
d For mech. rev counter drive without centering bore for pick up. For engines without mech. rev. counter drive part no. 230880, 945750 and part no. 840511 has to be mounted additional.
e See therefore SB-912-037 current issue SB-914-023
f See Maintenance Manual Heavy of the respective engine type, current issue
g Without processing for mech. rev counter drive
h Will be delivered in circle shape
