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TM 9-2320-364-34-4
20-117
Materials/Parts
Oil, Lubricating (Item 36, Appendix B)
Solvent, Drycleaning (Item 68, Appendix B)
Tags, Identification (Item 72, Appendix B)
Locknut (16) (Item 187, Appendix E)
This task covers:
a. Disassembly
c. Assembly
b. Cleaning/Inspection
d. Follow-On Maintenance
INITIAL SETUP
Equipment Condition
Rocker arms removed, (Para 20-45)
Tools and Special Tools
Tool Kit, General Mechanic’s
(Item 240, Appendix F)
Caps, Vise Jaw (Item 27, Appendix F)
Compressor, Unit, Air (Item 35, Appendix F)
Gage Set, Feeler (Item 66, Appendix F)
Gloves, Chemical Oil Protective
(Item 81, Appendix F)
Goggles, Industrial (Item 83, Appendix F)
Gun, Airblow (Item 86, Appendix F)
Vise, Machinist’s (Item 248, Appendix F)
Wrench, Torque (0-175 lb-ft [0-237 N.m])
(Item 277, Appendix F)
20-46. EXHAUST VALVE BRIDGE REPAIR.
a.
Disassembly.
NOTE
Tag valve bridges when
removed so bridges may be
installed in original
locations.
All 16 valve bridges are
removed the same way.
(1)
Remove valve bridges (1) and (2) from
valve bridge guides (3).
(2)
Position valve bridges (1) and (2) in soft
jawed vise.
(3)
Remove screw (4) and locknut (5) from
valve bridge (1) and (2). Discard locknut.
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