16 Inch Gas Chain Saw MCC1635AK

How to Identify and Fix Common Gardening Problems ?

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The letters on the screws represent High (H), Low (L) and Idle (T). The H screw regulates the Air/Fuel mix during high RPMs, while the L Screw does the same during low RPMs. The T screw regulates how much fuel is sent to the carburettor while idling until the throttle is pressed.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

MY PUMP WILL ONLY RUN ON LOW SPEED ( NEUTRAL AND BLACK) . PUMP IS MARKED 230 v , ? DOES THIS RUN ON NEUTRAL TO 120 FOR LOW SPEED AND NEUTRAL TO 120 FOR HIGH SPEED AND USE SEPERATE WINDINGS OR IS HIGH SPEED CONNECTED ACROSS BLACK AND RED. (230v)
ANSWER : If this is 220v then your netural is not a netural but a common. Meaning it is common 110v to both the high and low speeds of pump. The high and low speed are the same leg of the 220v or the other 110v leg they just separate at the clock or high/ low switch. Then yes they run through separate windings for high and low.
If your not getting high speed it could be the high speed winding but be sure to check your switch and high speed lead first before doing anything else.

Settings for low and high speed screws for carb for husqvarna 136
ANSWER : Turn them both in , gently, till they bottom out and then back them out 1 1/2 turns. This will get you real close and then fine tune them from there. hope this helps.

Need tool to adjust carberator low and high speed needle setting
ANSWER : Look at eReplacementParts.com and the parts diagrams

I have a Waterway Spa Pump Executive 56 Frame 4hp Dual Speed PF-40-2N22C in a Catalina spa that recently developed an issue. The pump will not start in low speed, just makes a humming noise, but it will start in high speed and will also continue to run in low speed when switched back from high speed. Does anyone know what might be wrong, and also how the power it supplied to this motor to achieve the two speeds?
ANSWER : The problem with the sound is the bearings inside the motor are going out. i have the same pump and i have to replace the motor. replacing the bearings is very hard and will cost you about the same after you carry the motor and new bearings to a shop to be pressed in. hope this helps!!

What are the LOW and HIGH speed screw settings for a Ryobi RCS4049 Chainsaw
ANSWER : Carburetor adjustment screws

Rpm fluctuates idles high then low high then low
ANSWER : It could be the governor spring is weak. Get your model type and code numbers off the engine shroud and take them to your local small engine repair shop and get the new spring. It’s not hard to replace. Install the new one and you should be up and running.

roundo4

HOW DO YOU ADJUST HIGH AND LOW SPEEDS ON HOMELITE BLOWER UTO8087 IF ONLY 1 SCREW ADJUSTMENT. 1 PORT FAC. PLUGED OFF.WHAT SHOULD IDLE RPM LOW B APPROX./ HIGH RPM
ANSWER : All the pictures I have of this carb show two adjusting screws.

Rct3100 edge trimmer, how many turns of the mixture screws for normal running ?
ANSWER : Gently turn the needel valves all the way in and the back them out 1 and 1/2 turns each. Then you you make adjust ments depending on how the saw runs. If it runs fine at idel the low jet is fine. If it does not run at high speed adjust the hi jet.