3-9. INNER/OUTER WHEEL (CONT)
Lower platform (para. 2-19) to normal road height. Leave APU running to recharge battery.
When securing hook to axle, make sure that suspension chain does not contact
any hydraulic lines or air brake hoses. If contact is made, chafing of a line/hose,
loss of air brake pressure, loss of hydraulic fluid, or damage to equipment may
Attach suspension chain (7) to bogie as follows:
(a) Attach end (top) hook (8) of suspension chain (7), along outboard side of bogie, beneath both hydraulic
and air brake lines, into opening in upper suspension am casting of bogie (5).
(b) Attach bottom hook (9) of suspension chain (7) onto back end of square casting under axle (10) outboard
of parking brake chamber (11).
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 (12), handle facing outboard from center of platform.
Raise platform (para. 2-16) until all tires for affected bogie are off the ground.