12 31 400 Replacing cooling air duct for alternator (M60, M62, M73)

Remove splash guard from unit.

Loosen hose clamp.

Pull air cooling hose off alternator.

Fig 1: Removing Air Cooling Hose From Alternator

Remove expanding rivet and remove cooling air hose.

Fig 2: Removing Expanding Rivet And Cooling Air Hose