Workshop Manual S3.8 Engine A030K288 (Issue 2) 01-2010 Section 1 OPERATING INSTRUCTIONS The engine operator must assume responsibility of engine care while engine is being operated. There are comparatively few rules which operator must observe to get best service from a Cummins Diesel Engine. GENERAL-ALL APPLICATION 1. Fill engine with amount of oil listed as low- level oil pan capacity. New and rebuilt Engine Break-In S-3.8 engines are tested before being shipped from the factory and are ready to be put to work. 2. Allow five (5) minutes or more for oil to drain to the oil pan. If engine and/or oil temperature is below 40 0 F (4 0 C), a longer period may be required for full drain. Note :
One receipt of engine by truck, ensure unloading of the engine by skiled personnel. The Personnel have to use necessary personal protective equipment to avoid accidents. Engines are to be un loaded using the lifting hooks fitted on the engines. During the engine installation ensure proper fitment of Anti Vibration Mounting Pad. 3. Insert dipstick into gauge tube fully seated; hold for five (5) ten (10) seconds, then withdraw slowly. 4. Add enough additional oil to fill engine to listed high-level capacity. The dipstick has mark to high & low oil level. Warning : Ensure that the shipping bracket is removed during the engine installation. 5.
Start engine and operate at idle for 3 You will get better life from engine by, minutes. Stop engine wait for 10 minutes and fill to high mark. Additional oil may be required to fill oil filters and lines. 1. Avoiding operation for long periods at engine idle speeds, or at maximum horsepower levels in excess of five minutes. Do not confuse with complete oil system capacity which also includes drilled passages, lines and filters. 2. Developing the habit of watching engine instruments closely during operation and letting up on throttle if oil temperature reaches. 250 0 F (121 0 C) or coolant temperature exceeds 203 0 F (95 0 C) Priming the Lubricating System 3.
Checking engine oil level prior to engine start. 4. For continuous rating, load can be applied after the engine is commissioned. New or Rebuilt Engines. Pre-Starting Instructions-First Time Priming the Fuel System. 1. Fill fuel filter with clean No. 2 diesel fuel oil meeting the specification outlined. Fig. 1-1 : Pre-lubricating Turbo 2. Check the oil level of the MICO fuel pump with the dipstick provided. Note : On turbocharged engines, remove oil inlet line from the turbocharger and pre-lubricate bearing by adding 2 to 3 oz. (50 to 60cc) of clean lubricating oil. Reconnect oil supply line. 3. Check & fill fuel tanks. Oil Pan Capacities High Low (liters) (liters) 8 6 9