4-57 CHECK VALVE
This task covers:
Equipment Condition Para
Tool kit, service, refrigeration unit
Fan and hub assembly
(Appendix B, Section Ill, Item 1)
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.
1. Check valve
Visually inspect check valve (1) for leakage. Check
for looseness, and tighten if needed.