Pic. 2-92. View of the carburetor 2107-1107010-20 from the throttle actuator side: 1 - air damper; 2 - starting device; 3 - air damper control lever; 4 - telescopic rod; 5 - throttle actuator lever of the primary chamber; 6 - a lever that limits the opening of the throttle valve of the secondary chamber; 7 - return spring; 8 - rod connecting the throttle valve of the primary chamber with the drive of the starting device; 9 - pneumatic actuator rod; 10 - pneumatic actuator
Unpin and disconnect from the throttle lever rod 8.
Disconnect the rod 9 of the pneumatic actuator from the throttle actuator lever of the secondary chamber (for carburetors 2107-1107010-10 and 2107-1107010-20).
After compressing the telescopic rod spring 4, disconnect it from the three-arm lever 3.
Disconnect the cover with gasket from the carburetor body, being careful not to damage it and the float.
Having unscrewed the fastening screws, disconnect the throttle body from the carburetor body, being careful not to damage the adapter bushings of the carburetor fuel-air channels and bushing sockets pressed into the body. Carefully remove the thermal insulation pad.
Disassemble the carburetor body cover (pic. 2-93):
- using a mandrel, carefully push the float axle 16 out of the uprights (push to the side of the rack with a cut) and remove the axle with smooth nose pliers. Trying not to damage the float tongues, remove it with the needle valve 15;
- remove the cover gasket 11, unscrew the needle valve seat 14, unscrew the plug 13 and remove the fuel filter 12:
- disconnect the telescopic rod 7 and the rod 19 of the starter drive from the lever of the axis 8 of the air damper;
- unscrew the two screws securing the case 6 of the starting device and remove it:
- unscrew the three screws securing the cover 2 of the starting device and remove the cover with the adjusting screw 1 and the spring 3;
- remove diaphragm 4.
Pic. 2-93. Carburetor Cap Details: 1 - adjusting screw; 2 - starter cover; 3 - spring; 4 - diaphragm; 5 - diaphragm rod; 6 - housing of the starting device; 7 - telescopic rod; 8 - axis of the air damper; 9 - air damper; 10 - carburetor cover; 11 - gasket; 12 - filter; 13 - filter plug; 14 - needle valve seat; 15 - needle valve; 16 - float axis; 17 - float; 18 - gasket; 19 - thrust starting device
Disassemble the throttle body (pic. 2-94):
- unscrew the screw 18 idle speed adjustment;
- unscrew the screws securing the bushing 17 (pic. 2-95) idle mixture quantity screw and remove it together with screw 16 (for carburetors 2107-1107010-10 and 2107-1107010-20);
- bend the tab of lock washer 2 (pic. 2-93) and unscrew the nut 1 for fastening the levers on the axis of the damper of the primary chamber;
- remove the lock washer, levers 3, 5, 8 and 21 with washers 7 and bushing 6 from the axis of the damper of the primary chamber, and then the compression spring 20 of the spool and spool 19;
- unscrew the nut 9 securing the lever 10 on the axis of the throttle valve of the secondary chamber and remove the lever with washers.
Rice, 2-94. Details of the throttle bodies of carburetors 2106-1107010: 1 - nut for fastening the levers on the axis of the throttle valve of the primary chamber; 2 - lock washer; 3 - damper drive lever; 4 - washer; 5 - lever drive throttle valves of the secondary chamber; 6 - bushing; 7 - spring washer; 8 - lever of communication with the starting device; 9 - nut for fastening the lever on the axis of the throttle valve of the secondary chamber; 10 - throttle lever of the secondary chamber; 11 - throttle body; 12 - return spring of the throttle valve of the primary chamber; 13 - axis of the throttle valve of the secondary chamber; 14 - throttle valve of the secondary chamber; 15 - throttle valve of the primary chamber; 16 - axis of the throttle valve of the primary chamber; 17 - restrictive sleeve of the screw; 18 - screw for adjusting the composition of the idle mixture with a sealing ring; 19 - spool; 20 - spring; 21 - lever axis of the throttle valve of the primary chamber; 22 - puck
For carburetors 2107-1107010-10 and 2107-1107010-20, two levers with washers and a spring are removed from the throttle valve axis of the secondary chamber (see fig. 2-95).
Pic. 2-95. Details of the throttle bodies of carburetors 2107-1107010-10 and 2107-1107010-20: 1 - throttle actuator lever; 2 - a lever that limits the opening of the throttle valve of the secondary chamber; 3 - bushing; 4 - linkage lever with the air damper; 5 - lever fixed on the axis of the throttle valve of the secondary chamber; 6 - spring; 7 - lever connected to the pneumatic actuator; 8 - throttle body: 9 - primary throttle return spring; 10 - axis of the secondary throttle.; 11 - throttle valves; 12 - primary throttle axis!; 13 - restrictive sleeve: 14 - idle mixture adjustment screw: 15 - sealing ring; 16 - screw for adjusting the amount of the mixture; 17 - bushing of the mixture amount screw; 18 - mixing sleeve, 19 - spool; 20 - spool spring; 21 - primary chamber throttle axis lever
Disassemble the carburetor body (pic. 2-96):
- unscrew the screw 27 fastening the lever 26 of the air damper control, remove the lever and spring 4, disconnect the rod 25 from the lever;
- unscrew the screws securing the cover 19 of the accelerator pump, remove the cover with the lever and the diaphragm 18 of the accelerator pump with the return spring 17;
- unscrew the main air jets 10 and 12, turn the body over and, tapping it lightly, shake out the emulsion tubes 11 and 13 from the wells;
- unscrew the housing 6 of the jet and remove it together with the jet 5, unscrew the shut-off valve 20;
- unscrew the screw valve 9 and remove the accelerator pump atomizer 8 with gaskets, unscrew the adjusting screw 14 of the accelerator pump;
- unscrew the screw 23, which regulates the opening of the throttle valve;
- take out small diffusers 7;
- unscrew the main fuel jets 15 and 16;
- unscrew the screw and remove the bracket 2, on which the sheath of the cable for controlling the air damper is attached.
Pic. 2-96. Carburetor body parts 2106-1107010: 1 - screw for fastening the shell of the air damper control cable; 2 - cable sheath fastening bracket; 3 - cable fastening screw; 4 - return spring of the air damper control lever; 5 - fuel jet of the transition system of the secondary chamber; 6 - fuel jet housing; 7 - small diffuser; 8 - accelerator pump sprayer; 9 - screw-valve of the accelerator pump; 10 - main air jet of the secondary chamber; 11, 13 - emulsion tubes; 12 - main air jet of the primary chamber; 14 - adjusting screw of the accelerator pump; 15, 16 - main fuel jets of the secondary and primary chambers; 17 - return spring of the accelerator pump; 18 - accelerator pump diaphragm; 19 - accelerator pump cover; 20 - shut-off valve: 21 - idle fuel jet located in the shut-off valve; 22 - carburetor body; 23 - throttle opening adjustment screw, 24 - retaining spring; 25 - thrust actuator throttle; 26 - air damper drive lever; 27 - lever mounting screw
For carburetors 2107-1107010-10 and 2107-1107010-20, instead of bracket 2, the throttle valve actuator of the secondary chamber is removed.
To disassemble the pneumatic drive, unscrew the three screws securing the cover 4 (pic. 2-97) and remove it, and then the spring and diaphragm 3 with the stem.
Pic. 2-97. Carburetor body parts 2107-1107010-10 and 2107-1107010-20: 1 - secondary throttle actuator rod; 2 - pneumatic actuator housing; 3 - aperture; 4 - pneumatic actuator cover; 5 - fuel jet of the transition system of the secondary chamber; 6 - fuel jet body, 7 - small diffuser; 8 - accelerator pump atomizer, 9 - accelerator pump screw valve; 10, 12 - main air jets of the secondary and primary chambers; 11, 13 - emulsion tubes of the secondary and primary chambers; 14, 15 - main fuel jets of the secondary and primary chambers; 16 - adjusting screw of the accelerator pump; I7 - idle fuel jet of the primary chamber; 18 - shut-off valve; 19 - return spring of the accelerator pump; 20 - accelerator pump diaphragm; 21 - accelerator pump cover; 22 - small diffuser of the primary chamber: 23 - return spring on the air damper drive lever; 24 - air damper drive lever: 25 - throttle linkage; 26 - throttle return spring bracket