Bevel gearbox assembly flaws

Hello! I need help in identifying flaws in this drawing. The torque in this bevel gearbox is being transferred from input shaft(1) to the bevel (2) and finally to the output shaft(3). The drawings has some errors in its assembly, functional error, or arrangement of bearings or sealings. Can you

Solved Figure Q1-1 shows a partially sectional view of a

Collector Gear and zoom to the crack.

Solved In the drawing below you can see a cut through a

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455/M2914/03/11836. JCB 510.42 BEVEL GEARBOX ASSEMBLY. CAN BE VIEWED AT WHITWELL S80 3LH.

JCB 510.42 BEVEL GEARBOX ASSEMBLY 455/M2914/03/11836 (AMS 260)

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