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1. Disconnect a negative wire from the battery.
2. Cover with polyethylene the generator in order to avoid diesel fuel hit on it. On the models equipped with the conditioner of air, remove the generator with an assembly bracket (see. Preheat system - diesel models), and also a belt of a drive of auxiliary units.
3. For the purpose of ensuring access, remove an air distributor casing. In case of need remove also inlet air line and disconnect a ventilating branch pipe from a jellied mouth of impellent oil. For more details see appropriate sections of the present Chapter.
4. On models from RKPP prop up protivootkatny boots back wheels, then поддомкратьте the right forward corner of the car so that the wheel completely came off the earth. Establish the lifted car on a prop and include the 4th or 5th transfer easily to turn the engine for the right forward wheel. On models from AT the engine should be turned a wrench for a bolt of a pulley of a cranked shaft (for the purpose of decrease in resistance turn out glow plugs).
5. Remove the top cover (and) a gas-distributing belt (see. Head engine Repair).
6. At the corresponding complete set disconnect hoses from the vacuum converter at TNVD end face. |
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7. Disconnect from the pump a gas cable - see. Removal, installation and adjustment of a cable of gas. On models from AT disconnect also a cable of inclusion of the kick-down mode (see. Automatic transmission). |
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8. Also disconnect from the pump a driving cable of fast idling (see. Removal, installation and adjustment of the thermosensitive sensor of turns of fast idling). |
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9. Release a collar / give the shtutserny socket and disconnect a hose of supply of fuel. At the corresponding complete set, remove sealing washers of a hollow bolt of the shtutserny socket. At once закупорьте the open end of the hose/union also screw into place a hollow bolt of shtutserny connection in order to avoid hit in dirt system. |
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10. Disconnect the main tube of return of fuel and отстыкуйте the shtutserny socket of a tube of return of fuel from injectors. Remove sealing washers of a hollow bolt of the shtutserny socket. Do not forget to cork the open end hoses and to screw into place a bolt of shtutserny knot (do not mix inlet and final shtutserny connections). |
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11. Disconnect from the pump the corresponding electroconducting. Pay attention that on some pumps of Bosch system rather simply расстыковать contact sockets on a pump arm. On other pumps it is necessary to disconnect electroconducting from separate components (some contact connections are protected by rubber caps). |
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12. Give cap nuts of shtutserny connections of fastening of fuel tubes to TNVD and nozzles. The second half of the socket at an otdavaniye of a cap nut should be held an additional key. |
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13. Remove tubes in a set. |
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14. At once закупорьте the open ends of shtutserny sockets in order to avoid hit in dirt system (it is possible to use the fingers cut off from rubber gloves). |
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15. Turn a cranked shaft so that two boltovy openings in a cogwheel of TNVD were combined with reciprocal openings in a forward plate of the engine. |
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16. Pass in the combined openings two bolts М8 and strongly tighten them. Pay attention that bolts should hold a cogwheel in the course of pump removal that allows to avoid need of removal of a gas-distributing belt. |
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17. Mark position of the pump in relation to a basic arm. |
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18. Give three lobbies fixing nuts, remove washers. |
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19. Give a back nut, take a bolt (pay attention to an arrangement of washers). Prop up TNVD assembly by wooden whetstone.
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20. Remove TNVD cogwheel from a pin of a shaft of the pump (see. The repair procedures which are not demanding extraction of the engine from the car - diesel engines). Pay attention that the cogwheel can be not taken out from a belt. For wheel fixing after removal of the pump use two bolts М8.
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21. Accurately remove the pump. Take from the groove on a pin of a shaft of the pump a segment shponka (if it is planted freely). |
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22. The same do with the plug in a back part of a basic arm. Clean the removed components in a reliable place. |
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