Detroit Diesel MBE 4000 Service Manual page 217

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3. Inspect each pushrod to be sure it is correctly seated in its tappet. Replace any pushrods
that are warped, are not correctly seated, or are not the correct length as listed in Table 1-48.
Description
Outside Diameter of Valve Tappets
Outside Diameter of Valve Tappets
Diameter of Tappet Seats (in cylinder
block)
Diameter of Tappet Seats (in cylinder
block)
Total Length of Pushrods
Maximum Pushrod Warpage
Maximum Length of Rocker Arm Mounting Bolts
Table 1-48
4. Install the rocker arm assembly.
[a] Position the rocker arm assembly on the cylinder head, as removed.
[b] Install the mounting bolts in the holes in the cylinder head.
[c] Tighten each mounting bolt 60 N·m (44 lb·ft). Final angular tightening: 90 degrees.
5. Adjust the valve lash.
6. Install the cylinder head cover on each cylinder head. Refer to section 1.1.2.
All information subject to change without notice.
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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Stage
Normal
Repair Stage I
Normal
Repair Stage I
Rocker Arm Specifications
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MBE 4000 SERVICE MANUAL
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Specification
29.931-29.952 mm
(1.1784-1.1792 in)
30.444-30.465 mm
(1.1986-1.1994 in)
30.000-30.021 mm
(1.1811-1.1819 in)
30.500-30.525 mm
(1.2008-1.2018 in)
345.0-346.5 mm (13.58-13.64 in)
0.5 mm (0.02 in)
91 mm (3.6 in)
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