Detroit Diesel 4000 Series, Service Manual, Page: 2621 / 2706

SERIES 4000 12/16V SERVICE MANUAL
Deviation
Interference
No. Designation
Tol. Size
Lower Upper Min Max
Seal carrier bore 72.00
H8
0 + 0.046
1
Shaft seal OD 72.00 + 0.130 + 0.230
0.084 0.230
2 Shaft OD 48.00
−
0.100 0 - -
Seal carrier bore 78.10
H7
0 + 0.030
3
Rotary seal OD 78.20
−
0.003 0
0.067 0.100
Impeller bore 30.00
H5
0 + 0.009
4
Shaft OD 30.00
t5
+ 0.041 + 0.050
0.032 0.050
Reconditioning Instructions
Re 2: Running surface worn: Metal-spray pump shaft and grind using feed-in method.
Table 42 Engine Coolant Pump for H.P. Temperature System Tolerances
All information subject to change without notice.
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