Komatsu PC01 – HYDRAULIC EXCAVATOR – Carburetor

a. Removal/installation

b. Disassembly/reassembly

c. Inspection
– Float level height
Place the carburetor in the position as shown and measure the distance between the float top and carburetor body when the float just contacts the seat without compressing the valve spring.

If the height is out of specification, replace the float and/or the float valve. Recheck the float height.

d. Cleaning
– Carburetor cleaning

1) Clean the carburetor body with high flash point solvent.
2) Use low air pressure and clean the following parts and passages:
– Internal or external vent port
– Pilot screw hole
– Pilot jet hole
– Pilot air jet
– Main air jet
– Transition ports
– Pilot outlet



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