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Page Title:
CENTRIFUGAL PUMP REPAIR (TRUCKS M49A1C, M49A2C, M50A1, M50A2, AND M50A3) - continued |
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 TM 9-2320-209-34-2-2
FRAME 4
NOTE
Readings must be within limit given in table 17-1.
If readings are not within given limits, throw away
part and get a new one.
Measure front diameter (1) and rear diameter (2) of rotor shaft.
1.
Measure width of four vane slots (3).
2.
Measure width of four vanes (4).
3.
4. Measure rotor width (5).
GO TO FRAME 5
Rotor Shaft and Vane Wear Limits
Size and Fit
Wear Limit
of New Parts
(inches)
Item /Point of Measurement
(inches)
Index Number
1.1660
1.1850 to 1.1860
Rotor shaft front diameter
1
1.1660
1.1850 to 1.1860
2
Rotor shaft rear diameter
0.5000 to 0.5050
None
Vane slot width
3
Vane width
1.2400 to 1.2600
1.0625
4
Rotor width
5
2.4950
3.4970 to 3.4990
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