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TM 9-2920-225-34
Table 2-6. Drive End Bell and Rotor Assembly (Models 5504AA and 5504AB)
Wear Limits
Size and Fit
Index
of New Parts
Wear Limits
Number
Item /Point of Measurement
(inches)
(inches)
2
Outside diameter of slipring
1.8430 to 1.8530
1.7500
3
Outside diameter of shaft at fan
0.7874 to 0.7878
None
bearing seat
Outside diameter of shaft at fan
0.6250 to 0.6255
4
None
hub seat
5
Outside diameter of shaft at drive
0.9842 to 0.9846
None
end bearing seat
Outside diameter of shaft at drive
0.6245 to 0.6250
6
None
end
Inside diameter of drive end
0.9839 to 0.9843
8
None
bearing
Outside diameter of drive end
9
2.0467 to 2.0472
None
bearing
Table 2-7. Drive End Bell and Rotor Assembly (Model 5300GP) Wear Limits
Size and Fit
Index
Wear Limits
of New Parts
Number
Item /Point of Measurement
(inches)
(inches)
2
Outside diameter of slipring
1.8480 to 1.8530
1.7500
3
Outside diameter of shaft at fan
0.7874 to 0.7878
None
end bearing seat
Outside diameter of shaft at fan
0.6250 to 0.6255
4
None
hub seat
5
Outside diameter of shaft at drive
0.9843 to 0.9847
None
end bearing seat
0.8740 to 0.8745
6
Outside diameter of shaft at drive
None
end
0.9839 to 0.9843
8
Inside diameter of drive end bearing
None
Outside diameter of drive end
2.4404 to 2.4409
9
None
bearing
2-176
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