DETROIT DIESEL 53
assembly) and revolve the outer race of each bearing
(Fig. 3) Also remove the shims if the former type fan)
hub assembly illustrated in Fig. 7 is used.
3. Withdraw the hub and bearing assembly from the
shaft. It may be necessary to tap the end of the shaft
with a soft hammer to loosen the hub assembly.
4. Remove the seal and bearings from the fan hub.
5. Remove the bearing spacer (Fig. 7) and shims (if
the current type hub assembly is used).
Wash the fan and fan hub parts thoroughly with fuel oil,
dry them with compressed air and inspect them for wear
Hold the inner race (shaft of sealed ball bearing
Fig 3. Spindle Type Fan Hub Assembly (6V
1972 General Motors Corp.
SEC. 5.4 Page 3