TM 9-4520-251-14
4-57 CHECK VALVE
This task covers:
a. Inspection
c. Testing
b. Removal
d. installation
INITIAL SETUP
Tools
Equipment Condition Para
Condition Description
Tool kit, service, refrigeration unit
4–50
Fan and hub assembly
(Appendix B, Section Ill, Item 1)
removed.
Materials/Parts
Check valve
General Safety Instructions
Gasoline used in operating this heater is explosive.
Avoid open flame near spilled or drained gasoline.
Make sure a Class 20-B:C fire extinguisher is in easy reach.
Dispose of waste gasoline in a safe manner.
Location/Item
Action
Remarks
INSPECTION
1. Check valve
Visually inspect check valve (1) for leakage. Check
for looseness, and tighten if needed.
4-139
