Detroit Diesel MBE 4000 Service Manual page 386

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Coolant Pump
The torque values for the cooling system are listed in Table 4-9. The wear dimensions for the
coolant pump assembly are listed in Table 4-10. Listed in Table 4-11 is the critical dimension for
the coolant pump assembly.
Coolant Pump Inlet Pipe Mounting Bolts
Coolant Pump Mounting Bolts
Coolant Pump Pulley Mounting Bolts
Front Idler and Tensioner Support Mounting Bolts
Thermostat Housing Mounting Bolts
Table 4-9 Cooling System Torque Values
Description
Drive Shaft Diameter (at the hub)
Hub Inside Diameter
Bearing Outside Diameter
Bearing Housing Diameter
Drive Shaft Diameter (at the impeller)
Impeller Inside Diameter
Impeller Outside Diameter
Impeller - Maximum Out-of-Round
Table 4-10 Coolant Pump Assembly Wear Dimensions
Dimension
A
Table 4-11 Critical Dimension for Coolant Pump Assembly
4-38
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Fastener
Description
Gap between the Impeller and the
Coolant Pump Housing
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Torque Value, mm (in.)
Dimensions, mm (in.)
25.048 - 25.061
(0.9861 - 0.9867)
24.995 - 25.008
(0.9841 - 0.9846)
54.981 - 54.994
(2.1646 - 2.1651)
54.930 - 54.960
(2.1626 - 2.1638)
15.045 - 15.056
(0.5923 - 0.5928)
15.000 - 15.018
(0.5906 - 0.5913)
(4.88 - 4.92)
0.15 (0.0059)
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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50 (37)
30 (22)
25 (18)
60 (44)
25 (18)
124 - 125
mm (in.)
0.6 - 1.0
(0.023 - 0.039)
All information subject to change without notice.
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