Removal and installation of an inlet collector system of injection of Digifant fuel carry out in the following order:

PREVENTION All works on removal and installation of an inlet collector are necessary for carrying out at the removed wire from a negative conclusion of the storage battery.

Fig. 5.66. Elements of system of injection of Digifant fuel: 1–a filtering element; 2–cover of the air filter; 3–temperature regulator; 4, 14, 24, 26, 28, 32, 33, 36 – a bolt; 5–laying; 6–measuring instrument of a stream of air; 7–electric socket; 8–the screw of adjustment of the contents WITH; 9–cap; 10-sealing ring; 11-collar; 12-branch pipe; 13-screw of adjustment of turns of idling; 15-hose; 16-connector; 17-butterfly valve case; 18-laying; 19-hose; 20-idling switch; 21-switch of an open butterfly valve; 22-a potentiometer of provision of a butterfly valve, 23 – an arm; 25-inlet collector; 27-a hose to the vacuum amplifier of brakes; 29-a plate of fastening inlet to a final collector; 30-cap; 31-a pipe WITH; 34-arm; 35-holder; 37-laying; 38-valve of stabilization of turns of idling; 39, 41, 42, 43 – a hose; 40-tee; 44-ring; 45-rubber laying; 46-case of the air filter; 47-zabornik of air

– remove a branch pipe 12 (see fig. 5.66 ) supply of air and the butterfly valve case 17;

– disconnect from a collector the 25th valve of 38 stabilization of turns of idling together with an arm;

– disconnect a hose 27 vacuum amplifiers of a brake from an inlet collector;

– disconnect a pipe of 31 measurements of the contents WITH from a reverse side of a collector;

– unscrew a connecting plate 29 between inlet and final collectors;

– unscrew a bolt and remove the grounding tire from an inlet collector;

– unscrew bolts and nuts and remove an inlet collector 25 and laying 37 from a head of the block of cylinders.

Installation make in sequence, return to removal.

Removal and installation of an inlet collector of system of injection of Mono-Jetronic fuel carry out in the following order:

Fig. 5.67. Elements of system of injection of Mono-Jetronic fuel: 1–additional resistor; 2–vacuum шлан; 3–bolt; 4–a regulator of temperature of air arriving in the engine; 5–valve cover; 6–sealing ring; 7–injector; 8–electric socket; 9–the control unit, 10 – a fastening plate; 11-ventilating tube; 12-management valve; 13-a vacuum hose, 14 – a tube of return of fuel (dark blue); 15-tube of supply of fuel (black); 16-cover of an air inlet of an injector; 17-air inlet union; 18-tip; 19-electric socket of the additional resistor

Fig. 5.74. An inlet collector with system of injection of Mono-Jetronic fuel: 1–zabornik of warmed-up air; 2–nut; 3–pro-rate; 4–bolt; 5–arm; 6–Lambda sensor; 7–bolt; 8–inlet collector; 9–consolidation; 10-laying; 11-a cap of a pipe of measurement of the contents WITH; 12-a pipe of measurement of the contents WITH; 13-laying; 14-the union for cooling liquid; 15-union of a vacuum pipe; 16-sealing ring; 17-sensor temperatures (red); 18-brackets of fastening of sensors; 19-sensor temperatures (dark blue); 20-heater of an inlet collector; 21-screw; 22-electric socket

– remove an injector 7 (see fig. 5.67 ) from an inlet collector 8 (fig. 5.74) ;

– disconnect a hose of the vacuum amplifier of a brake from an inlet collector

– disconnect the electric tip from a heater 20 inlet collectors.

– on a reverse side of a collector unscrew a branch pipe of 1 zabornik of warmed-up air and a pipe 12 for contents measurement WITH;

– unscrew bolts and nuts and disconnect an inlet collector 8 and laying 10 from a head of the block of cylinders;

– remove a sealing ring of the 9th channel of cooling liquid.

Installation of an inlet collector make in sequence, return to removal. At installation of a collector use new laying and sealing rings.

Removal and installation of an inlet collector of system of injection of K-Jetronic and KE-Motronic fuel carry out in the following order.

The inlet collector with systems of injection of K-Jetronic and KE-Motronic fuel consists of the top and bottom parts. The top part can be removed separately or to remove a collector in collecting and then to separate the top part.

Fig. 5.70. Elements of supply of air in the engine on system of injection of K-Jetronic fuel: 1–measuring instrument of a consumption of air; 2–the screw of adjustment of the contents WITH; 3–cap; 4–branch pipe of supply of air; 5–vacuum connecting coupling; 6–bolt; 7–sensor of pressure of a diaphragm; 8–connecting coupling; 9–temperature regulator; 10-butterfly valve switch; 11-screw of adjustment of turns of idling; 12-uplotnitepny ring; 13-a bolt, 14 – laying; 15-butterfly valve case; 16-top inlet collector; 17-a hose to a heater; 18-valve of stabilization of turns of idling; 19-valve of cold start-up; 20-bolts; 21-union; 22-hose of ventilation of a case; 23-bottom inlet collector; 24-union; 25-valve of braking by the engine; 26-hose of supply of warmed-up air; 27-adjustment of a folding zaslonka; 28-case of the air filter; 29-air filter; 30-cover of the air filter

– remove a branch pipe of supply of air and the case of a butterfly valve 15 (see fig. 5.70 );

– note situation and disconnect vacuum hoses from a collector;

– disconnect the electric tip from the valve of 18 stabilization of turns of idling 19 and the valve of cold start;

– pit pressure in fuel system for what weaken a collar of connection of an inlet hose in a motor compartment;

– disconnect топливопровод from the valve of cold start 19;

– on a back part of an inlet collector disconnect a hose of the 22nd ventilation of a case;

– disconnect wires of a high voltage from spark plugs and a distributor cover;

Fig. 5.69. Elements of system of injection of K-Jefronic fuel: 1–bolt; 2–screw; 3–fuel distributor; 4–sealing ring; 5–fuel hoses; 6, 27 – a hollow bolt; 7–cap; 8–sealing ring; 9–pressure regulator; 10-electric socket (dark blue); 11-switch of starting supply of fuel; 12-electric socket (brown); 13-temperature sensor; 14-electric socket (gray); 15-heater; 16-vacuum union; 17-valve of cold start-up; 18-laying; 19-plug; 20-sealing ring; 21-nozzle; 22-nut of the fuel highway; 23-measuring instrument of a consumption of air; 24-plunzher; 25-the screw of adjustment of the contents WITH; 26-spring; 28-adjusting washer

– disconnect топливопроводы from nozzles 21 (see fig. 5.69 );

– turn on and remove an inlet collector and laying;

– unscrew nuts and separate a collector on two parts and remove laying 14 (see fig. 5.70 ).

Installation carry out to sequences, return to removal.

Removal and installation of an inlet collector of RV, PF engines and 2Е carry out in the following order:

– remove the valve of stabilization of turns of idling from a collector together with an arm;

– unscrew the screw and remove a measurement pipe WITH from a reverse side of a collector;

– unscrew a bolt and separate a basic plate between an entrance opening and an inlet collector;

– unscrew a bolt and remove the tire of grounding of a collector;

– if necessary disconnect electric sockets from switches of a mode of idling and completely open butterfly valve or a potentiometer of provision of a butterfly valve.

The general instructions for all types of engines:

– gradually and consistently unscrew nuts of fastening of an inlet collector to a head of the block of cylinders and remove a collector together with laying.

Installation make in sequence of return to removal taking into account the next moments:

– at collector installation, use new laying;

– tighten bolts of fastening of a collector the demanded moment;

– check, that all vacuum hoses and electric sockets were correctly connected and reliably fixed.