MTD 25cc, Профессиональное руководство по эксплуатации

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Fuel System And Carburetor
33
Disassembly of the carburetor
1. Remove the two screws that hold the primer pump
body and the primer bulb to the carburetor using a #2
phillips screwdriver. See Figure 5.15.
2. Separate the primer pump and the bulb assembly,
placing each part on the bench in the order they
came apart. See Figure 5.16.
3. Inspect the diaphragm and gasket. If torn, damaged
or brittle install a diaphragm kit.
4. Inspect the primer bulb.
5. Inspect the inside of the pump chamber for dirt or
varnish build up.
NOTE: If there is a lot of dirt/varnish, replace the carbure-
tor.
6. Remove the four screws that secure the metering
chamber cover to the carburetor using a #2 phillips
screwdriver. See Figure 5.17.
Figure 5.15
Screws
Figure 5.16
Primer pump body
Bulb
Carburetor
Diaphragm
Figure 5.17
Vent
Metering chamber cover
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