Which is the correct way to adjust the carburetor?
These two screws are usually marked as HI and LO. The HI screw allows for fuel adjustment at full throttle, while the LO screw allows for fuel adjustment during engine idle. When you are first adjusting the carburetor screws, tighten them clockwise until they first start having resistance. This is considered the reference position.
What’s the factory setting for a craftsman carburetor?
According to the parts list the carburetor on this model is factory set and should not need to be adjusted. If you have removed the caps and made any adjustments, I recommend turning the screws all the way in. Then back them out about one and one half out. This should be close enough to start the engine.
Where are the fuel adjustment screws on a Walbro carburetor?
Identify the two-fuel adjustment screws on the side of the metal carburetor. One screw is labeled “lo” and the other is marked “hi”. The “lo” fuel screw is for when the engine is idling.
How to set factory settings on Husqvarna carburetor?
The procedure for the work is as follows: Husqvarna carburettor factory settings are set on the muffled saw. The engine starts and the saw warms up for several minutes. By turning the screw (L) clockwise, there is a position at which the engine develops maximum speed, after which the screw must be turned back 1⁄4.
These two screws are usually marked as HI and LO. The HI screw allows for fuel adjustment at full throttle, while the LO screw allows for fuel adjustment during engine idle. When you are first adjusting the carburetor screws, tighten them clockwise until they first start having resistance. This is considered the reference position.
What’s the best way to adjust a Walbro carburetor?
Turn both of the screws, gently, in a clockwise direction to seat the base of the screw inside the carburetor. Do not tighten the screws with any form of a forceful nature.
The procedure for the work is as follows: Husqvarna carburettor factory settings are set on the muffled saw. The engine starts and the saw warms up for several minutes. By turning the screw (L) clockwise, there is a position at which the engine develops maximum speed, after which the screw must be turned back 1⁄4.
How to set carburetor to lean best idle setting?
The first thing to do is not set up the idle speed, but to set the Idle mixture screw to lean best idle setting. First, turn in the mixture screw until the engine dies or runs worse, then back out the screw (recommend turning ¼ to ½ turn at a time). The engine should pick up speed and begin to smooth out.