Doosan V158TI Operation & Maintenance Manual page 18

2.2.2. During maintenance and care
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Always carry out maintenance work when the engine is switched off. If the engine has to be maintained
while it is running, e.g. changing the elements of change-over filters, remember that there is a risk of
scalding. Do not get too close to rotating parts.
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Change the oil when the engine is warm from operation.
Caution :
There is a risk of burns and scalding. Do not touch oil drain plug or oil filter with bare hands.
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Take into account the amount of oil in the sump. Use a vessel of sufficient size to ensure that the oil will
not overflow.
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Open the coolant circuit only when the engine has cooled down. If opening while the engine is still warm
unavoidable, comply with the instructions in the chapter entitled "4.3. Cooling System".
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Neither tighten up nor open pipes and hoses (lube oil circuit, coolant circuit and any additional hydraulic
oil circuit) during the operation. The fluid which flow out can cause injury.
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Fuel is inflammable. Do not smoke or use naked lights in its vicinity. The tank must be filled only when the
engine is switched off.
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When using compressed air, e.g. for cleaning the heat exchanger, wear goggles.
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Keep service products (anti-freeze) only in containers which can not be confused with drinks containers.
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Comply with the manufacturer's instructions when handling batteries.
Caution :
Accumulator acid is toxic and caustic. Battery gases are explosive.
2.2.3. When carrying out checking, setting and repair work
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Checking, setting and repair work must be carried out by authorized personnel only.
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Use only tools which are in satisfactory condition. Slip caused by the worn open-end wrench could lead to
Injury.
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When the engine is hanging on a crane, no-one must be allowed to stand or pass under it. Keep lifting
gear in good condition.
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When checking injectors, do not put your hands under the jet of fuel.
Do not inhale at atomized fuel.
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When working on the electrical system disconnect the battery earth cable first.
After repair engine parts, connect it up again last in prevent short circuits.
- 12 - Safety regulations