TM 10-4320-307-24
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ROCKER LEVER HOUSING ASSEMBLY REPAIR/REPLACE.
This task covers: a. Removal b. Disassembly c. Cleaning/Inspection/Repair d. Assembly e. Installation
INITIAL SETUP
Tools
Equipment
Tool kit, general mechanic's (Item 1, Appendix B)
Condition
Arbor press
Reference
Condition Description
Inside micrometer, 1 - 2 inch (Item 4. Appendix B)
Paragraph
Aftercooler air crossover
Outside micrometer, 1 - 2 inch (Item 36,
2-47
connection removed
Appendix B)
Paragraph
Rocker lever cover
Radius gauge, 0.25-inch (6.35 mm)
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assemblies removed
Two suitable guide studs
Paragraph
HVT valve disconnected
Mandrel (Item 30, Appendix B)
3-27
from rocker lever housing
Torque wrench (Item 2, Appendix B)
General Safety Instructions
Materials/Parts
Well ventilated area for steam cleaning
Prussian blue (Item 24, Appendix C)
Lubricating oil (Item 22, Appendix C)
Adhesive sealant (Item 3, Appendix C)
Suitable block
Gaskets
O-rings
Locknuts
REMOVAL:
1.
Remove four capscrews (1) that secure two lifting
brackets (2) to engine and remove lifting brackets.
2.
Remove capscrew (3) with lockwasher (4), and
nut (5), that secure aftercooler water tube support
bracket (6) to fan brace (7).
3.
Remove two capscrews (8) with washers (9) and
lockwashers (10) and remove fan brace (7).
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