1972 Ski-Doo Shop Manual, Page 30Get this manual
DRIVE AXLE 11On Olympique 399, 399E and all T'NT models, remove the chain case assembly12Release drive sprocket teeth from track notches at the same time pulling the drive axle towards the end bearing side of frameThis action will disengage the axle splines from the chain case lower sprocket4
Remove rear hub and bogie wheel system
5Remove oil seals from end bearing housing and center' frame (fig1-4-8)
13Remove drive axle from vehicle and pull out spacer (fig1-4-6)
End beerinll hculinll
Remove the three (3) capscrews securing end bearing housing to frameWith two (2) screw drivers inserted between the housing and frame, pry out housing (fig1-4-9)6A Spacer Spined end Oil seal
REMOVAL