TM 5-5420-226-20-3
ENGINE LOW OIL PRESSURE SWlTCH REPLACEMENT (Sheet 3 of 3)
1. Using adjustable wrench, install elbow (A) to engine.
2. Using 7/8 inch wrench, install adapter (B) to elbow (A).
3. Using 7/8 inch wrench, install new switch (C) into adapter (B).
4. Push socket of rubber insulated connector (D) into switch cap (E).
5. Remove rags from under engine low oil pressure switch.
6. Install engine oil high temperature thermostatic switch (page 10-220).
7. Connect engine for powerplant ground hop (page 5-26).
8. Start and run engine. Observe low oil pressure indicator for normal oil pressure.
9. Stop engine. Disconnect engine from powerplant ground hop (page 5-40).
10.
Install powerplant (page 5-14).
TA168895
End of Task
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