REPAIR OF SUPPLY AND EXHAUST GASES.
Carburetor Repair K-126N. Disassembly and reassembly of the carburetor
The sequence of operations is as follows:
-Unscrew the strainer cap and remove the filter;
-Remove the thrust levers to the axis connecting the air
and throttle valves;
- Loosen the screws holding the upper and middle parts
carburetor, remove the top portion and a sealing gasket;
- Remove the axle and remove the float the float;
- Remove the needle valve. Remove the needle body
- Remove the fuel jets idling;
- Remove the caps that cover the air-jet channels
idling, and remove the jets;
- Remove the main air jet dosing systems;
- Remove the plug wells and remove the emulsion tube
- Remove the cork, provide access to the main fuel
jet, and remove the jets;
- Loosen the screw and toplivoprovodyaschy screw shell
accelerator pump nozzles and additional systems;
- Remove the casing rraspyliteley and gasket.
- Carefully turning the carb body, remove from the
channel of the accelerator pump discharge valve;
- Unscrew the four screws holding the bottom of the carburetor
to the average. Separate the bottom of the carburetor, while
nna pressing the accelerator pump drive bracket, and remove
earring that connects the throttle lever axis
valve with accelerator pump drive shaft;
- Remove the actuator pump with uskoritelnog
plate to the piston, remove the recoil spring rod.
- Remove the accelerator pump from the well safety
ring of the intake valve and turning the body float
the camera, remove the inlet valve.
- Remove the economizer valve;
- Remove the mixing chamber of the carburetor adjustment
screws and compensation system load
- Bend the edge of the locking washer on the axis of the throttle
and loosen the nut krepleniyavilki throttle actuator
- Remove the plug from the axis and the intermediate lever. Remove the two
screws holding the cover of the drive rocker throttle
zaslonkivtorichnoy camera and remove the cover.
In the case of an emergency (such as replacing
throttle return springs) throttle actuator
remove the valve in this order:
A. Loosen the nut of the accelerator lever
pump on the axis of the throttle lever and remove the washer;
Two. Remove the two screws holding the throttle on the axis,
Remove the valve and remove from the body axis with the mixing chamber
The axis of the throttle remove the secondary chamber
the same way.
The installation of throttle with axes in reverse
sequence. After installing the mounting
throttle bodies on their axes raskernite screws.
All disassembled parts thoroughly with carburetor
in gasoline. In the presence of heavy tar deposits on the
details may be washing them with acetone or solvent
It is totally unacceptable to use to clean the nozzles
wire, at least soft. With this method of cleaning
necessarily a violation of the calibration jet.
The consequence will be worsening of the traction of a car
and improving operational fuel consumption.
Washed carburetor parts and channels must be followed
purged with compressed air.
When disassembling the carburetor completely fuse
float shut-off mechanism and a needle, even glapana
from the weakest shocks and do not remove the rubber washer
the needle valve.
Reassemble the carburetor in the reverse order:
- Inspect the seals that are installed between the
upper and middle and between middle and lower parts of the carburetor.
Damaged gaskets, replace with new ones;
Check the tightness of the economizer valve is not ....
Does it guide the saddle. Check how easy is it to move
cylinder, the piston acceleration pump.
He has to move in the cylinder without jamming;
Check for full throttle
the gap between the adjusting nut (valve stem ....
economizer and the piston rod of the accelerator pump) and
plank of the drive. At the accelerator pump piston rod
this gap should be 1 mm, ... valve actuator, 15 mm;
When installing large diffusers, fuel and air nozzles
as the main metering systems, and ... Idle, in both
cells carb ... governance of the Technical Data
When wrapping caps that cover the carburetor channels,
Pay attention to the availability and quality of their ... pads.
Damaged gaskets replace.
Check the tightness of the needle valve feed
Re setting the float chamber cover, check
the float for leaks. If you need ... Float
Take precautions to avoid an explosion of vapors
gasoline. After soldering, the mass of the float must be within
(13.3 + -0.7) g;
The correct position ..... float through the appropriate
Roles bending reed 2 (Fig. 52) lever. At the same time,
bending limiter 3, set the course of the check valve
4 in the range 1.2-1.5 mm (the gap between the tongue and the end
- Check the correct position relative to the float
needle valve. To do this, the float chamber cover 5
rotate 180 * and measure the distance from the top
float plane to the surface of the lid when removed
cardboard gasket. This distance should be (42 + -0.4)
mm. If necessary, correct the position of the float
can be restored by the respective Roles bending reed 2
- If you adjust the level of fuel in the float chamber is not
click on the float needle valve to prevent damage
- Rinse, if necessary, the valve assembly with a washer,
using only clean unleaded gasoline or
After installing the carburetor on the engine it is advisable
to double-check the fuel level in the chamber pooplavkovoy.
To do this, use the viewing window located
in front of the camera pooplavkovoy.
Filling the fuel carburetor float chamber with
Lever bypass the fuel pump, check
extensive line of fuel level. The fuel level should be
at a height (20 ± 0.5) mm from the top
edge of the float chamber body.
If necessary, remove the top of the carburetor
Roles bending and the corresponding latch lever
Adjust the float the required level of fuel.