Detroit Diesel MBE 4000 Service Manual page 243

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Description
Specified Dial Gauge Preload for Checking Valve Lift
Valve Lift with Intake Valves Completely Open
Valve Lift with Exhaust Valves Completely Open
Inspection Cover Bolt Torque
Table 1-89
Valve Type
Intake
Exhaust
Table 1-90
Description
Valve seat angle (E)
Valve seat surface
diameter (G)
Relative position (H) to
diameter G
Table 1-91
All information subject to change without notice.
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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Valve Lift Specifications
Check For: mm (inches)
0.30 to 0.60 (0.012 to 0.024)
0.50 to 0.80 (0.020 to 0.032)
Valve Lash Checking and Adjustment
Intake Valve, mm (in.)
30 Degree
41.99-42.01(1.65-1.654
4.00-4.15 (0.157-0.163)
Valve Seat Specifications for EGR Engine
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MBE 4000 SERVICE MANUAL
Specification
15 mm (0.60 in)
11.546 mm (at least 0.4546 in)
11.963 mm (at least 0.4710 in)
25 N·m (18 lb·ft)
Adjust to: mm (inches)
0.40 (0.016)
0.60 (0.024)
Exhaust Valve-non-
EGR, mm (in.)
45 Degree
38.99-39.0 (1.535-1.535)
3.80-3.95 (0.15-0.16)
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Exhaust Valve-EGR,
mm (in.)
36 Degree
38.99-39.01(1.535-1.536)
4.00-4.15 (0.157-0.163)
1-195
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