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Disassembly and Reassembly
36
One-Piece Seal Plate/Mounting Flange Only
a. Remove the seal plate bolts. Tap the seal
plate with a soft hammer or soft punch to
remove the seal plate.
2. Place the seal plate gasket side down on a
work bench and push the hard ring out of the
seal plate.
NOTE: Provide a clean soft surface for hard
ring to fall onto when pushed out of the seal
plate.
3. Metal Bellows Type Seal With Set Screws
Only (Small Shaft Bus Applications)—
Loosen the set screws that fasten the seal to
the crankshaft.
Figure 27: Set Screw Location
NOTE: A modified (shortened) 3mm or 1/8
inch Allen wrench is needed to loosen the set
screws. New seals are shipped with a
modified 1/8 inch Allen wrench. Make sure
the wrench fits squarely into the bottom of
the socket hole before attempting to loosen
the set screws.
Figure 28: Special Allen Wrench
4. Remove the bellows assembly from the shaft
by prying evenly on each side with small pry
bar.
Figure 29: Seal Removal
5. Discard all seal parts.
1.
Tap Lightly
Figure 25: One-Piece Seal Plate Removal
1.
Punch
2.
Hard Ring
Figure 26: Hard Ring Removal
1
AGA544
1
2
AGA546
AGA580
AGA578
AGA545