TM 5-3820-256-10tures. Refer to the lubrication instructions in Chapter 3 for recommended viscosity’s.(2)Check oil levels frequently and add oil as required to maintain proper levels.c. SandyorDustyConditions.(1)Lubricate equipment frequently and watch fluid levels closely.(2)Change hydraulic oil two or three times more frequently.(3)Use liberal amounts of grease when lubricating pressure grease points to force out any contaminatedgrease.(4)Keep equipment as clean as possible at all times.d. HighHumidityand/orSaltWaterConditions.(1)Protect cylinder shafts and painted or polished surfaces by keeping them well lubricated or coated with athin layer of grease or similar preservative.(2)Remove rust and corrosion as they appear and repaint affected surfaces.(3)Keep pressure grease fittings well lubricated to prevent entry of moisture.2-22.Welder/GeneratorEngine.a.ColdWeatherOperation.(1)Cold weather can cause clogged fuel lines and filters. Paraffin oil should be mixed with the diesel fuelin the following proportions, according to the temperature:TemperatureFuelContent32 to 5 deg F(0 to -15 deg C)100%° diesel fuel4 to -4 deg F(-16 to -20 deg C)75% diesel, 25%° paraffin-5 to -25 deg F(-21 to -32 deg C)50% diesel, 50%° paraffin(2)Condensation in the fuel tank can affect the fuel flow to the engine. Keep tank as full as possibleduring cold weather. Refill fuel tank more often than normal. If fuel tank becomes contaminated withwater, drain and flush tank and refill with new fuel.(3)Change engine oils and lubricate equipment with lubricants recommended for cold weather operation.Refer to lubrication instructions in Chapter 3.b. HotWeatherOperation.(1)Use lubricants that are more viscous and resist breakdown at high tempera-2-91
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