TM 9-4520-251-14
6-4
VALVES, VALVE SEATS, AND GUIDE
This task covers:
a. Repair
b. Replacement
Tools
Equipment Condition Para
Condition Description
Tool kit, service, refrigeration unit
5–13
Valves removed.
(Appendix B, Section Ill, Item 1)
Tool kit (Appendix B, Section Ill, Item 8)
Pilot, valve seat (Appendix B, Section Ill,
Item 13)
Driver, valve seat (Appendix B, Section Ill,
Item 15)
Kit, valve seat puller (Appendix B,
Section Ill, Item 12)
Materials/Parts
Exhaust valve
Intake valve
Replacement guide (exhaust valve)
Valve seat (exhaust)
Valve seat (intake)
Valve lapping compound (Appendix E, Item 7)
Kerosene (Appendix E, Item 6)
Antiseize compound (Appendix E, Item 1)
Location/Item
Action
Remarks
REPAIR
1.
Valves and
Faces on exhaust valve (1) and valve seat (2), and
seats
faces on intake valve (3) and valve seat (4) should
be resurfaced using valve grinder or cutter. Grind
1. Exhaust valve
2. Valve seat
3. Intake valve
4. Valve seat
5. Guide
6. Replacement guide
6-4
