37R116 Axle Service Manual
Figure 291 Tighten (24) socket head screws to 286-316 Nm [211-233 LBF/FT]. Install level plug and tighten to 81-88 Nm [60-65 LBF/FT]. Repeat process for opposite trumpet arm.
Axle Air Test
Figure 292 Install axle air tester. This checking device is comprised of minimum 690 kPa [30 psi] air gauge, air shut off valve and regulator. Axle input pinion to be turned by hand (2) complete revolutions. Apply 83 kPa [12 psi] air pressure to axle assembly. Allow 30 second stabilization period. Lock off pressure. Monitor decay for 5 minutes. If excessive decay occurs 7 kPa [.1 psi]), disassemble axle and inspect for cause. Reassemble and retest. Install level plug and tighten to 81-88 Nm [60-65 LBF/FT].
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