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Service lubrication systems
Details of installation of the sump 111 series
| - Details of the installation of the oil pan to the engine 111 series are shown in the illustration, which includes all the links in the text.
- Drain the engine oil (see chap. Power supply system and exhaust).
- Remove the cooling fan assembly with the viscous coupling (26).
- Otboltite from the engine compartment bulkhead expansion tank (8) of the cooling system.
- Remove the screws (9) securing the cushion of the front support of the power unit to the vehicle frame (see. Section Removal and installation of support of the power train).
- Post on the winch motor.
- Disconnect the oil level sensor wiring (S43).
- Turn out fixing bolts and remove the oil pan (56).
- Carefully smooth out interfaced surfaces and replace the new pan gasket (56a).
- Installation is in the reverse order.
 | Temporary fixation of the pallet on the block can be made by applying patches sealant. |
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Removal and installation of the oil level sensor Details of installation of the oil level sensor (3) Engine 111 series Details of the installation of the engine oil level sensor Series 111 are shown in the illustration, which includes all the links in the text. Removal and installation of the oil pump Details of the installation of the oil pump motor Series 111
| - Details of the installation of the oil pump motor 111 are shown in a series of illustrations, which includes all the links in the text.
- Remove the pan (see. Above).
- Remove the sprocket (25) the oil pump assembly with a chain draped over it.
- Remove the mounting bolts (28 / 28a) and remove the pump assembly (24 / 24a).
- Carefully smooth out interfaced surfaces of the pump and the engine block.
- Fill with fresh oil pump assembly.
- Installation is in the reverse order. When installing the pump, the first version of note that the two front bolts (28) fitted with guide bushings (27). In the second version of the pump do not forget to replace the O-ring (29).
| The asterisk is set to speak to the pump. |
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Replacing the chain oil pump drive Details of installation of a chain drive of the oil pump to the engine 111 series
| - Details of installation of a chain drive of the oil pump to the engine 111 series are shown in the illustration, which includes all the links in the text.
- Drain the cooling system (see chap. Power supply system and exhaust).
- Drain the engine oil (see chap. Power supply system and exhaust).
- Remove the liquid heat exchanger (9).
- Remove the sump (10) (See above.).
- Remove the oil pump (see. Above).
- With the help of a special device dismember the chain drive of the pump and remove it from the engine.
- Remove the oil pump drive sprocket (25).
- Installation is in the reverse order - for joint chains, use a special device.
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Replacing the non-return valve Details of installation of non-return valve engine lubrication system series 111
| - Details of installation of non-return valve engine lubrication system series 111 shown in the illustration, which includes all the links in the text.
- Remove the timing cover (see. Section Removal and installation of covers of timing).
- Using forceps (1) remove the non-return valve (8) from its receiving hole in the crankcase.
- Installation is in the reverse order.
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M112 / 113 Removing and installing oil filter housing Details of installation of engine oil filter series 112 and 113 (for example, models equipped with cooling fan with viscous coupling)
| - Details of installation of engine oil filter series 112 and 113 are shown in the illustration, which includes all the links in the text.
- Remove the front cover of the power unit.
- Remove the trim panel of the power unit / air cleaner.
- Remove the fan assembly (1) and the fan cover (2), - on the ML 55 AMG and ML 500, remove the electric fan assembly to the housing.
- Remove the lid (4) of the casing (5) of the oil filter.
- Remove the screws (9) fixing liquid heat exchanger (3) to the casing (5) of the oil filter.
- Remove the cover (5).
- Installation is in the reverse order.
- Finally, check motor oil level, if necessary, make appropriate adjustment (see chap. Power supply system and exhaust).
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Removal and installation of a heat exchanger liquid oil filter Details of installation of a heat exchanger liquid engine oil filter series 112 and 113 (for example, engines equipped with an electric cooling fan)
| - Details of installation of a heat exchanger liquid engine oil filter series 112 and 113 are shown in the illustration, which includes all the links in the text.
- Follow the procedures described in paragraphs 1 to 5 points for removing and installing oil filter housing, adjusted for changes in the notation in the illustration.
- Drain the radiator coolant (see chap. Power supply system and exhaust).
- Disconnect from liquid heat exchanger (6) of the cooling line path (4 and 5).
- With appropriate configuration (the ML 55 AMG and ML 500) Remove the air pump assembly (see. Section Removal and installation of covers of timing).
- Turn out fixing bolts and remove the heat exchanger assembly (6) from the filter housing.
- Installation is in the reverse order.
- Finally, make sure there are no signs of coolant leaks.
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Removal and installation of the guide tube probe measurement of motor oil Details of installation of the probe measuring the level of motor oil on models with engines of series 112 and 113
| - Details of the installation of the guide tube of the probe on the engines of series 112 and 113 are shown in the illustration, which includes all the links in the text.
- Remove protection crankcase (see chap. Body).
- Remove the trim panel of the power unit / air cleaner assembly.
- Remove the bolt (2) fixing the guide tube (1) of the probe (3) to the cylinder head.
- Remove the banding (7).
- Pulling up, remove the tube (1) from the engine.
- Installation is in the reverse order.
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Removing and installing sump The lower section of the pallet Details of installation of the lower section of the sump 112 and 113 series
| - Details of installation of the lower section of an oil pan on a series engines 112 and 113 are shown in the illustration, which includes all the links in the text.
- Remove the trim panel of the power unit and vozduhoochistetel (1).
- Remove the cooling fan assembly with the viscous coupling (4).
- Remove the bolts (8) and remove the fan shroud assembly (5).
- Remove vozduhootboynik (9).
- Drain the engine oil (see chap. Power supply system and exhaust).
- Give nuts (7) fastening the front suspension support of the power unit.
- Remove the resonator chamber (2) with a connecting sleeve (3).
- Post on the winch motor.
- Turn out fixing bolts and remove the bottom section of the oil pan (6).
- Carefully smooth out interfaced surfaces.
- Installation is in the reverse order.
| The pallet is mounted on the sealant to be cast pad width 2.0 and 0.5 mm thick. |
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The top section of the pallet Details of installation of the top section of the sump 112 and 113 series
| - Details of installation of the upper section of the oil pan on the engines of series 112 and 113 are shown in the illustration, which includes all the links in the text.
- Remove the bottom section of the oil pan (1) (See above.).
- Disconnect the wiring from the sensor level / temperature / oil quality (B40).
- Pushing forward, remove the upper section of the oil pan (3) - if necessary, slightly rotate the crankshaft.
- Installation is in the reverse order.
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Removal and installation of the oil level sensor Details of installation of the oil level sensor on engines series 112 and 113
| - Details of installation of the oil level sensor on a series engines 112 and 113 are shown in the illustration, which includes all the links in the text.
- Remove the bottom section of the oil pan (1) (See above.).
- Disconnect the connector (3) of the sensor wiring.
- Remove the mounting bolts (2) and remove the oil level sensor (S43).
- Installation is in the reverse order.
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Removal and installation of the oil pump Details of the installation of the oil pump on the engines of series 112 and 113
| - Details of the installation of the oil pump motor series 112 and 113 are shown in a conjugated. illustration, which includes all the links in the text.
- Remove the bottom section of the oil pan (1) (See above.).
- Remove the mounting screws (4).
- Take back the chain tensioner and remove the last of the drive sprocket of the pump assembly.
- Remove the oil pump (2).
- Check the condition of the strainer maslozabornika rate correct fit control valve (3).
- Fill with fresh oil pump assembly.
- Installation is in the reverse order.
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Removal and installation of a pressure reducing valve of the oil pump | - Details of the installation of components reducing valve of the oil pump on the engines of series 112 and 113 are shown in the illustration above (see. A round box), which includes all the links in the text.
- Remove the oil pump (see. Above).
- Remove the cover and replace the relief valve assembly components.
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Replacing the chain oil pump drive | - Details of installation of the oil pump on the engines of series 112 and 113 are shown in the illustration above, which includes all the links in the text.
- Remove the bottom section of the oil pan (1) (See above.).
- Remove the top section of the pallet (see. Above).
- Remove the oil pump assembly (2) (See above.).
- With the help of a special device dismember the chain drive of the pump and remove it from the engine.
- Remove the oil pump drive sprocket (25).
- Installation is in the reverse order - for joint chains, use a special device.
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Removal and installation of lubricators Details of installation of lubricators on engines series 112 and 113
| - Details of installation of lubricators on engines series 112 and 113 are shown in a conjugated. illustration, which includes all the links in the text.
- Remove the lower and upper section of the oil pan (cm. Above).
- Remove the oil pump (see. Above).
- Remove the mounting bolts (2) and remove Lubricators (1) - if necessary, slightly rotate the crankshaft.
- Check patency maslotokov, if necessary, make their cleaning.
- Installation is in the reverse order - try not to allow deformation of feed tube (3), lubricators (1).
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