Detroit Diesel MBE 4000 Service Manual page 242

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Description
Valve stem diameter (A)
Valve seat diameter at
head contact surface (B)
Valve head diameter (C)
Valve seat height-new (D)
Minimum valve seat
height-after grinding (D)
Valve seat width at valve
head (E)
Valve seat angle (F)
Valve length (G)
Table 1-85 Valve Removal/Installation Specifications in mm (in.) for non-EGR
and EGR engines
Valve Type
Intake
Intake
Exhaust
Exhaust
Table 1-86 Valve Standback
Description
Normal
Wear Limit
Table 1-87 Inside Diameter of Valve Guide
Description
Length, Without Load
Length, Under Load of 382-418 N·m (86-94 lb·ft)
Length, Under Load of 644-706 N·m (145-159 lb·ft)
Diameter of Spring Wire
Outside Diameter of Spring Coil
Inside Diameter of Spring Coil
Table 1-88 Spring Specifications, Intake and Exhaust Valves
1-194
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Intake, mm (in.)
8.935-8.950 (0.3518-
0.3524)
42.0 (1.65)
45.4-45.6 (1.79-1.80)
3.1-3.3 (0.12-0.13)
2.9 (0.11)
3.5-4.5 (0.14-0.18)
30 degrees
145.0 (5.71)
Description
Normal
Wear Limit
Normal
Wear Limit
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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Exhaust-EPA 98,
mm (in.)
8.925-8.940 (0.3514-
0.3520)
39.0 (1.54)
40.9-41.3 (1.61-1.63)
2.8-3.1 (0.11-0.12)
2.3 (0.09)
3.5-4.5 (0.14-0.18)
45 degrees
145.0 (5.71)
mm (inch)
0.7-1.1 (0.03-0.04)
1.6 (0.06)
0.7-1.1 (0.03-0.04)
1.6 (0.06)
mm (inch)
9.000-9.022 (0.3543-0.3552)
9.050 (0.3563)
mm (inches)
69.7 (2.74)
49 (1.9)
37 (1.5)
4.2 (0.17)
28.9 (1.14)
24.5-24.9 (0.96-0.98)
All information subject to change without notice.
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Exhaust-EPA 04,
mm (in.)
8.925-8.940 (0.3514-
0.3520)
39.0 (1.54)
41.9-42.3 (1.65-1.67)
3.0-3.3 (0.12-0.13)
2.9 (0.11)
min. 3.5 (0.14)
36 degrees
145.0 (5.71)
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