TM 5-4310-451-14
5-24. EXHAUST VALVES MAINTENANCE.
This Task Covers:
a.
Removal
c.
Repair
b.
Cleaning and Inspection
d.
Installation
Initial Setup:
Equipment Conditions:
Materials/Parts:
Exhaust valve bridges removed (see paragraph
áLubricating oil (Item 29, Appendix E)
5-26)
áDry cleaning solvent (Item 38, Appendix E)
Cam follower assemblies and pushrods removed
áMarker tags (Item 40, Appendix E)
(see paragraph 5-25)
áOne seal
Tools/Test Equipment:
General Safety Instructions:
General mechanic’s tool kit
áDry cleaning solvent is flammable and must not be
Field automotive shop set
áused near open flame. Use only in a well-ventilated
area.
áCompressed air used for cleaning purposes should
ánever exceed 30 psi (207 kPa).
a. REMOVAL
NOTE
All exhaust valves are removed same way. This procedure covers one exhaust valve.
Tag and mark exhaust valves on removal to assist in Installation.
2.
Remove seat (3), spring (4), washer (5), and seal (6). Discard seal.
3.
Remove exhaust valve (8) from cylinder head (1).
4.
If damaged, removed insert (7) from cylinder head (1).
5-43
