1972 Ski-Doo Shop Manual, Page 26Get this manual
REAR HUB 8Press link plates onto bearings and insert oil seals into link platesRim of oil seal must sit correctly in groove of link plate
4On TNT models, install idler tire on bearing
and secure the two flanges with bolts and nuts foUowing sequence shown in figure 1-3-8
5On TNT models, position idler wheel, "0"
ring and locking collar on hubSecure collar by tightening Allen head screw
9Install grease fitting(s)
6Position new seal and bearing on each end of hubThe seal lip must be facing outward and the shield of the bearing must be facing the hub sprocket (fig1-3-9)
10Using low pressure grease gun filled with low temperature grease, lubricate the rear hubAfter lubricatingensure that seals remain in position