(b) Attach bottom hook (5) of suspension chain (2) onto back end of square casting under axle (6) outboard
of parking brake chamber (7).
Make sure suspension isolation valve at the affected bogie is closed (handle facing
outward) prior to adjusting platform height or the suspension chain can break and
cause injury to personnel and damage to equipment.
At affected bogie, close suspension isolation valve (8), handle facing outboard from center of platform.
Raise platform (para. 2-16) until all tires for affected bogie are off of the ground.
Remove lug nuts (1) and outer/outer wheel (9) from lug studs (10) on affected bogie.
If other tire maintenance procedures are to be performed, let APU run to charge battery.