DAELIM ET-300 Service Manual page 38

5-5 Air Cut-Off Valve
2 screws
Disassembly
Remove 2 screws.
Remove air cut-off valve cover, spring and valve.
O-ring
Spring
Inspection
Check the valve is in normal.
If the valve is in normal, it will restrict air-flow.
If air-flow is no restricting, replace carburetor
assembly.
Check the vacuum pipe o-ring is in normal.
Air cut-off valve Cover
Assembly
Install in reverse order of removal procedures.