Marking

Sanded off the face a bit to reached flat

Sanded off the ball bearing housing back facing

Applied thread lock to the spools

Applied grease to all o-ring

Per-assembly and check movement is freely
Applied some grease to paste the bevel gear

Per-filled a half of diff oil before the smaller bevel gear on

Remove the patch line on the cross pin!

Filled up just above the cross pin!

Apply grease to the top of the diff housing to cover all the gaps between gasket

Apply grease on the gasket to cover all the gaps