ARMY TM 9-6115-671-14 AIR FORCE TO 35C2-3-446-32 MARINE CORPS TM 09249A/09246A-14 4-198 (1) Shut down generator set, paragraph 2.11.2. (2) Open BATTERY ACCESS door (Figure 1-2), and disconnect negative battery cable. __________ WARNINGCooling system operates at high temperature and pressure. Contact with high pressure steam and/or liquids can result in burns and scalding. Shut down generator set, and allow system to cool before performing checks, services, and maintenance. Failure to comply can cause injury or death to personnel. (3) Slowly remove radiator cap (1, Figure 4-22) from filler neck (2). (4) Open left side engine compartment access doors (Figure 1-3), open engine block drain valve (3, Figure 4-30), and drain coolant into suitable container. (5) Close engine block drain valve (3). (6) Disconnect electrical plug connector from coolant temperature sender (2). (7) Remove coolant temperature sender (2) from engine head. c. Service. (1) Shut down generator set, paragraph 2.11.2. (2) Remove coolant temperature sender, refer to paragraph 4.13.2. b. __________ WARNINGCleaning with compressed air can cause flying particles. When using compressed air, wear protective glasses and use clean, low pressure air, less than 30 psi (206.8 kPa). Failure to comply can cause eye injury. __________ WARNINGDry cleaning solvent is flammable and toxic to eyes, skin, and respiratory tract. Skin and eye protection are required when working in contact with dry cleaning solvent. Avoid repeated or prolonged contact. Work in ventilated area only. Failure to comply can cause injury or death to personnel. (3) Clean coolant temperature sender with dry, filtered compressed air, and wipe with a clean, lint-free cloth (Item 8, Appendix E) lightly moistened with dry cleaning solvent (Item 20, Appendix E). (4) Inspect coolant temperature sender for cracked casing, stripped or damaged threads, corrosion, or other damage. (5) Replace coolant temperature sender if damaged. (6) Install coolant temperature sender, 4.13.2.d. d. Installation.
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