3-7. OUTER/OUTER WHEEL (CONT)
Inspect wheels for damage. Inspect stud holes for debris and clean if necessary.
Clean all threads on studs and nuts.
Aline outer/outer wheel (9) so that valve stem is 180 degrees opposite valve stem on inner wheel.
Install top and bottom lug nuts (1) finger tight to seat wheel properly.
Install and hand tighten 8 remaining lug nuts (1) and hand tighten all 10 lug nuts (1) in sequence shown.
Lower platform (para. 2-19) until all tires on affected bogie come in contact with the ground.
Using ratchet, 8-inch extension, and lug socket, continue to tighten lug nuts (1) in sequence shown. Notify unit
maintenance that lug nuts (1) need to be torqued to 450 - 500 lb-ft (610 - 680 Nm). Torque in sequence shown.
Open suspension isolation valve (8) (para. 2-6) at affected bogie (handle facing inboard toward front of
Continue to lower platform (para. 2-19) until there is enough clearance for chain (2) to be removed from affected
If other tire maintenance procedures are to be performed, let APU run to charge battery.
Remove suspension chain (2) from affected bogie.
Restow all tools and equipment used during this procedure.
Notify unit maintenance that wheel on affected bogie requires torquing.