TM 5-2420-230-24-2
Accessory Drive Adaptor - Assembly (9-04)
Section 9 - Drive Units - Group 9
Page 9-6
B Series Shop Manual
1.25 inch Pipe Coupling
Support the bottom of the shaft with a 1.25 inch pipe
coupling and press the gear on until it bottoms against the
inner-bearing race.
L-409