Companion Flange

Companion Flange Lock Nut* 490 Nm (362 ft.lbs. ) Or Less

* To properly torque the companion flange nut the following procedure must be followed:
1. Using Special Service Tool (SST) 09229-55010, 09330-0021 or equivalent tighten the nut.
2. Using SST and a torque wrench, measure the preload.
Preload at starting:
New Bearing: 1.5-1.8 Nm (13.0-15.6 inch lbs.)
Reused Bearing: 0.5-0.8 Nm (4.3-6.9 inch lbs.)
3. If the preload is greater than the specification, replace the bearing spacer.
4. If the preload is less than the specification, retighten the nut with of a force of 13 Nm (9 ft.lbs. ) at a time until the specified preload is reached.
Torque: 490 Nm (362 ft.lbs. ) Or Less.
If the maximum torque is exceeded while retightening the nut, replace the bearing spacer and repeat the preload procedure. Do not back off the nut to reduce the preload.