3.4 Blower
DETROIT DIESEL 53
c.
Turn the puller screw clockwise and pull the
Assemble Blower
sleeve off of the shaft.
Assemble the blower as follows:
d.
Support the rotor, gear end up, on the bed
of an arbor press.
1. Install new lip type oil seals in each end plate in as
follows:
e.
Start a new sleeve straight on the shaft.
a.
Place the end plate on the bed of an arbor
f.
Place sleeve installer J 23679-1 on top of
press.
the sleeve and press the sleeve on the
shaft until the step in the installer contacts
b.
Lubricate the outer diameter of the seal
the shoulder on the shaft.
and, using installer J 22576, press the seal
(lip facing down) into the counterbored hole
NOTE: The step in the sleeve
until the shoulder on the installer contacts
installer properly positions the
the end plate (Fig. 5.).
sleeve on the shaft.
NOTE: A step on the seal installer will position
the oil seal below the finished face of the end
plate within the .002 " to .008 " specified.
2. Place the front end plate on two wood blocks. Then
install, the rotors, gear end up, on the end plate (Fi;* I.
3. Install the blower housing over the rotors (Fig. ).
NOTE:
To
prevent
inadequate
lubrication or low oil pressure, care
must be exercised in the assembly of
the front and rear blower end plates to
the blower housing.
The rear end plate for the 6 V-53
blower does not have tapped holes for
the thrust washer plates and is the
only cover that has the horizontal ell
Fig. 10. - Minimum Blower Rotor Clearance
passage drilled through into the
pocket on the left side of the end plate
for supplying oil to the blower drive
gear support bearing.
4. Pace the rear end plate over the rotor shafts (Fig. 7.)
1972 General Motors Corp.
Page 8
