Meritor PreSet Maintenance Manual page 9

2 Maintenance
WARNING
Do not retighten the spindle nut to adjust end play during the
inspection procedure. This could cause bearing damage which
can cause the wheels to loosen and separate from the vehicle.
Serious personal injury and damage to components can result.
8. Measure the end play by calculating the difference between
the minimum and maximum dial indicator readings.
If the end play measurement does not exceed
0.006-inch (0.15 mm): No additional service is necessary.
Do not adjust or retighten the spindle nut.
WARNING
If the spindle nut is loose prior to removing the PreSet
discard the old spacer and replace it with a new spacer before
®
you reinstall the PreSet hub. If you do not install a new
spacer, the wheel bearings can become damaged, which can
cause the wheels to loosen and separate from the vehicle.
Serious personal injury and damage to components can result.
If the end play measurement exceeds 0.006-inch
(0.15 mm): Service the hub. Refer to ConMet Service

Manual for PreSet Hub Assemblies. The manual can be
accessed at www.conmet.com/pdfs/
preset_service_manual.pdf.
6 Meritor Maintenance Manual MM-0637 (Revised 07-12)
®
hub,