Man D 2840 LE 301, Repair Manual

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Safety regulations
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When working on the electrical system, first disconnect the earth cable of the battery
and reconnect this last to prevent short circuits.
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Comply with the manufacturer’s instructions when handling batteries.
Caution:
Accumulator acid is toxic and caustic. Battery gases are explosive.
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When performing welding work, observe the “Notes for welders”.
2. Regulations designed to prevent damage to engine and premature wear
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Prior to repairing the engine, clean it thoroughly. Ensure that dirt, sand or foreign matter will
not get into the engine during repair work.
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If engine operation is disrupted, immediately determine the cause and have it remedied to prevent
additional damage.
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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.
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Never allow the engine to run dry, i.e. without lubricant or coolant.
Appropriate notices must be attached to engines that are not ready for operation.
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Today modern components of diesel injection consist of high − precision parts which are exposed to
extreme stresses. The high − precision technology requires the utmost cleanliness during all work on
the fuel system.
Even a particle of dirt over
0.2 mm can lead to the failure of components.
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Use only MAN − approved service products (fuel, engine oil, anti − freeze and anti − corrosion agent). Pay
attention to cleanliness. Diesel fuel must be free of water.
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Do not add so much engine oil that the oil level rises above the max. marking on the dipstick.
Do not exceed the maximum permissible tilt of the engine.
Serious damage to the engine may result if these instructions are not adhered to.
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Control and monitoring devices (charge control, oil pressure, coolant temperature) must be in perfect
working order.
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Observe the instructions for operating the alternator; see chapter ”Maintenance and care” in the
Operator’s Manual.