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Table of Contents
Related Manuals for Man D 2876 LE 201
Summary of Contents for Man D 2876 LE 201
- Page 2 Perfect assembly of gaskets can only be achieved if the following instructions are adhered to: D Use only genuine MAN seals / gaskets. D The sealing faces must be undamaged and clean.
- Page 3 Instruction Masking of fuel and lube oil pipe con- nections (for classified engines only) The unions of pressurised oil and fuel pipes are masked with a protective tape. If this tape is removed during a repair, the unions must be masked with protective tape again after- wards.
- Page 4 ..............Engine views D 2876 LE 201 .
- Page 5 Contents Cylinder head Replacing valve seat insert ............. Reworking valve seat .
- Page 6 Safety regulations General Important safety regulations are summarized in this quick-reference overview and arranged by topic to ef- fectively convey the knowledge necessary to avoid accidents causing injury, damage or environmental haz- ard. Additional information can be found in the operating instructions of the engine. Important: Should an accident occur despite all precautionary measures, particularly one involving contact with corros- ive acid, penetration of fuel under the skin, scalding by hot oil, antifreeze splashing into the eyes etc.
- Page 7 D If engine operation is disrupted, immediately determine the cause and have it remedied to prevent addi- tional damage. D Always use genuine MAN parts only.Installation of “equally” good parts from other suppliers may cause severe damage for which the workshop carrying out the work is responsible.
- Page 8 Safety regulations D When disposing of used coolant, the regulations issued by the relevant local authorities must be ob- served. 4. Notes on safety in handling used engine oil * Prolonged or repeated contact between the skin and any kind of engine oil decreases the skin. Drying, ir- ritation or inflammation of the skin may therefore occur.
- Page 9 The precondition for this, however, is that the experts are familiar with the Repair Manual for the engine as well as the accompanying Operating Instructions and the publication “Fuels, Lu- bricants and Coolants for MAN Diesel Engines”.
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- Page 11 Fault table Starter turns over engine only slowly or not at all Starter motor turns engine, engine does not start Engine does not start while cold Engine does not run smoothly, and stops Speed fluctuations during operation Slow, periodic fluctuation of speed (approx. 0.5−1 Hz) Quick periodic fluctuation of speed (approx.
- Page 12 Fault table Starter turns over engine only slowly or not at all Starter motor turns engine, engine does not start Engine does not start while cold Engine does not run smoothly, and stops Speed fluctuations during operation Slow, periodic fluctuation of speed (approx. 0.5−1 Hz) Quick periodic fluctuation of speed (approx.
- Page 13 D Choice and quality of lubricating oil, fuel and coolant Note: Only use coolants that comply with MAN regulations. For basic information on the consumable materials, refer to the publication “Fuels, Lubricants and Coolants for MAN Diesel Engines”. You can find the approved products on the Internet at: −http://www.mn.man.de/index/mn_eng/motor/serviceproducts.htm−...
- Page 14 Commissioning after engine overhaul Pressurisation It is extremely important for internal combustion engines (following the completion of repair work, i.e. in their dry state) to be pressurised with lubricating oil before being recommissioned. This procedure can also be used for ascertaining damage and its causes. If engines are not pressurised, the risk of premature damage to bearing surfaces is very high because it takes a relatively long period of time for the lubricating oil drawn in from the oil pan via the oil pump to reach the individual bearings.
- Page 15 Commissioning after engine overhaul Pressurising an engine affords the following advantages: D All engine parts are lubricated before engine startup; a lubricating film can be built up inside the bear- ings as early as after the first few rotations of the crankshaft, thereby preventing damage to the bearing races.
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