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 TM 9-2815-226-34-1
Table 3-1. REPAIR AND REPLACEMENT STANDARDS (Cont)
WEAR
NEW
NEW
COMPONENT
LIMIT
MINIMUM
MAXIMUM
WATER PUMP
Impeller
Impeller-to-Shaft Press Fit
0.001 in.
(0.025 mm)
Impeller-to-Body Clearance
0.020 in.
0.040 in.
(0.508 mm)
(1.016 mm)
Housing
Housing Bearing Bores
2.4494 in.
2.4408 in.
2.4418 in.
(62.2147 mm)
(61.9963 mm)
(62.0217 mm)
Carbon Face Seal Bore
1.500 in.
1.520 in.
in Housing
(38.100 mm)
(38.608 mm)
Shaft
Impeller Location Diameter
0.6262 in.
0.6267 in.
(15.9055 mm)
(15.918 mm)
Seat Location Diameter
0.6262 in.
0.6267 in.
(15.9055 mm)
(15.9182 mm)
Inner and Outer Bearing
0.9843 in.
0.9847 in.
Location Diameters
(25.0012 mm)
(25.0114 mm)
Pulley End Shaft Diameter
0.6693 in.
0.6696 in.
(17.0002 mm)
(17.0078 mm)
Minimum Press Fit Between
0.001 in.
Shaft and Pulley
(0.025 mm)
Impeller Bore Diameter
0.624 in.
0.625 in.
(15.849 mm)
(15.875 mm)
Pulley
Bore Diameter
0.6663 in.
0.6673 in.
(16.9240 mm)
(16.9494 mm)
3-13
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