Kohler Comand Pro CH1000 Service Manual page 40

Section 5
Fuel System and Governor
Disassembly/Overhaul
1. Clean the exterior surfaces of dirt or foreign
material before disassembling the carburetor.
Remove the four mounting screws and separate
the fuel bowl from the carburetor. Transfer any
remaining fuel into an approved container.
Remove and discard the old O-rings. Fuel
can also be drained prior to bowl removal by
loosening/removal of the bowl drain screw. See
Figure 5-18.
Figure 5-18. Fuel Bowl Removed From Carburetor.
NOTE: Further disassembly of the fuel bowl is not
necessary unless the Fuel Solenoid Kit, or
Fuel Bowl Kit (obtained separately), will also
be installed.
2. Remove the fl oat pin screw and lift out the old
fl oat, pin, and inlet needle. See Figure 5-19.
Discard all the old parts. The seat for the inlet
needle is not serviceable, and should not be
removed.
Float
Inlet
Needle
Figure 5-19. Removing Float and Inlet Needle.
5.10
Fuel Bowl
Bowl Drain Screw
3. Use an appropriate size fl at screwdriver, and
carefully remove the two main jets from the
carburetor. Note and mark the jets by location for
proper installation. The main jets may be size/
side specifi c. Aft er the main jets are removed, the
main nozzles can be removed out through the
bott om of the main towers. Note the orientation/
direction of the nozzles. The end with the two
raised shoulders should be out/down adjacent
to the main jets. Save the parts for cleaning and
reuse. See Figure 5-20.
Main Nozzles
Main Jets
Figure 5-20. Main Jets and Nozzles Removed.
4. Remove the screw securing the fl at washer and
ground lead (if equipped), from the top of the
carburetor; then carefully pull (lift ) out the two
slow jets. The slow jets may be sized/side specifi c.
Mark or tag the jets for proper reassembly. Note
the small O-ring on the bott om of each jet. See
Figure 5-21 and 5-22. Save parts for cleaning and
reuse unless a Jet Kit is also being installed. Clean
the slow jets using compressed air. Do not use
wire or carburetor cleaner.
Figure 5-21. Removing Screw and Washer.