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5.1.19.1. Main diaphragm block

Prevention

At installation of the diaphragm block it is necessary to use a new star-shaped bracket.

Removal

PERFORMANCE ORDER
1. Remove a weight wire from the accumulator.
2. On early models remove the air filter. On later models disconnect the air duct from the air filter, then disconnect a vacuum pipe and a hose of ventilation of a case from an air chamber. Unscrew three screws and remove an air chamber together with an air duct.
3. Disconnect vacuum hoses from the main diaphragm block.
4. Using a drift, beat out цилиндричес a cue a pin, the fixing main diaphragm block to the top cover of the carburetor.
5. Note the provision of adjusting tags of a bimetallic casing, and at their absence put tags which need to be used for installation simplification. Unscrew three screws and remove a bimetallic casing. Move a casing aside, at the same time do not deform hoses of supply of cooling liquid and an electrical wiring of a heater of the gate.
6. Unscrew three screws fixing gate knot to the case of the carburetor and lower gate knot down, without disconnecting draft of the gate.
7. Remove the star-shaped bracket fixing the main diaphragm block to a cover of the carburetor and remove the main diaphragm block.

Installation

PERFORMANCE ORDER
1. Installation is made in the sequence, the return to removal. At ustan ке use a new star-shaped bracket of fastening of the main diaphragm block. Before installation of an air chamber check for the top part of the carburetor, and if necessary, adjust vacuum movement.