3.4 Blower
DETROIT DIESEL 53
Fig. 4. - Installing Lip Type Oil Seal in End Plate
NOTE: On the 6V engine, this step is accomplished
by removing the governor.
Fig. 5. - Installing Blower Rotors in Front End Plate
2. Wedge a clean cloth between the rotors to prevent
damage the mating surfaces of the end plate and the
their turning and remove the four bolts that hold the
housing.
blower drive cam retainer and blower drive spring
support to the gear. Separate the retainer, support and
spacer from the gear.
NOTE: On the 6V engine, the governor drive
plate must also be removed from the
opposite gear.
3. On the 6V engine blower, a cam pilot is used on both
gears.
4. For identification, mark the left-hand gear on the 6V
blower.
5. Use two pullers J 4794-01 to remove the two gears
simultaneously.
6. Remove the rotor shims and the gear spacers and
place them with their respective gears to ensure correct
re-assembly.
Fig. 6. - Installing Blower Housing Over Rotors
7 At the other end of the blower, remove the three
thrust plate bolts, the thrust plate and three spacers from
the front end plate. Remove the bolts and thrust
washers.
8 Tap the end plate off of the dowel pins and housing
with a soft (plastic) hammer, being careful not to
1972 General Motors Corp.
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