Hot coolant

CHAPTER 5 DIRECT SUPPORT MAINTENANCE INSTRUCTIONS - TM-5-4320-300-14_297

TM-5-4320-300-14 Pump Centrifugal Self-Priming Gasoline Engine Driven; 6-Inch 1500 GPM Capacity At 60 Foot Head Manual
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TM 5-4320-300-14 f. Remove cap and fill fuel tank with sufficient MIL-L-46002 preservative oil, Grade 1 to permit 10 to 15 minutes of operation. Start engine and allow to operate at idle (1500 rpm) for not less than 5 minutes. Shut down engine. g. Service air cleaner in accordance with table 2-2, item 6. h. Lower the back of the frame assembly. Remove pump drain plug and drain pump body. Replace drain plug. i. Remove suction and discharge hoses from flanges. j. Coat all accessible flange and part surfaces with MIL-L-21260 preservative oil, Type 1, Grade 30. Wipe excess oil from suction and discharge port threads and install protective plugs. k. Remove pipe plug and pour approximately one quart of MIL-L-21260 preservative oil, Type 1, Grade 30, into pump body. Replace pipe plug. WARNING Hot coolant may be released when radiator cap is removed. Allow engine to cool before removing cap. Open cap part way to ensure that pressure in cooling system is released, then remove cap. I. Drain engine cooling system, crankcase, and fuel tank into suitable metal containers. m. Remove drain plug at bottom of pump and drain preservative oil. This will leave a protective coating of preservative oil on interior surface of pump. Replace drain plug. n. Disconnect suction and discharge gage lines at pump and drain any excess preservative oil. Reconnect lines. o. Tape weather cap in place and oil the cap surfaces. Seal air inlet hood with a moistureproof, vaporproof tape. WARNING Dry cleaning solvent is flammable and potentially dangerous to people and property. Do not use near open flame, sparks, excessive heat, or on hot surfaces. Flash point of P-D-680 solvent is 1000 to 138°F (38° to 59°C). Use solvent in a well-ventilated area, and avoid inhaling fumes. If repeatedly exposed to fumes, seek fresh air and. immediate medical. help. Avoid prolonged exposure of skin to solvent. Wash exposed skin immediately and thoroughly. p. Inspect exterior of centrifugal pump unit for damaged paint. Refinish in accordance with Military Specification MIL-T- 704, Type A, color as specified. Allow finish to dry. q. Remove and clean battery in accordance with table 4-1, items 12 and 13. 4-193/(4-194 blank)

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