TM 55-1945-205-24-40176 00 30176 0010. Start light tower engine. (TM 55-1945-205-10-4)11. Allow light tower engine to run for 2-3 hours with radiator flush in cooling system.12. Shut light tower engine down. (TM 55-1945-205-10-4) 13. Allow radiator (3) to cool.14. Remove light tower battery negative lead terminal. (WP 0131 00)15. Remove radiator pressure cap (1).16. Position drain pan under drain cocks (2 and 4).17. Open drain cock (2) located on the radiator (3).18. Open drain cock (4) located on the engine (5).WARNING19. Drain engine radiator coolant.20. Place drain pan beneath overflow hose (6) and reserve tank (7).WARNING21. Disconnect overflow hose (6) from radiator pressure cap housing (8) to drain the reserve tank (7).
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