Chain Saw 20″ Bar

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Low side one turn out from bottem.high sie is the same.after saw is running readjust both high and low.make sure the side dosen’t go in any more then 3/4 of a turn out……if it does you will burn up the saw….

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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.
If your chainsaw still starts and then stops working, check the air filter. Clean or replace the air filter if it is dirty or damaged. Another reason that your chainsaw starts and then stops working could be that the spark arrestor is dirty or clogged. If this is the case, clean it with a wire brush.
If your carburettor has a main jet adjustment screw at the base of the float bowl, turn the screw clockwise until you feel it just touch the seat inside the emulsion tube. Then, turn the screw counterclockwise 1 to 1-1/2 turns. Replace the air cleaner assembly and start the engine for final carburettor adjustments.
There are three crucial parameters to pay close attention to when choosing a chainsaw chain. These are the length of the guide bar on your chainsaw (displayed in inches), the drive link gauge (displayed in millimetres) and the pitch (a combination of imperial and metric).
Generally speaking, the chain should be a little loose on the chain saw guide bar, but not loose enough that the drive links come out of the bar nose. The bar links should feel like they are raising up, but not actually come out of the guide bar.
How to Calculate Motor RPM. To calculate RPM for an AC induction motor, you multiply the frequency in Hertz (Hz) by 60 — for the number of seconds in a minute — by two for the negative and positive pulses in a cycle. You then divide by the number of poles the motor has: (Hz x 60 x 2) / number of poles = no-load RPM.
In most cases, the reason you`ll have a chainsaw pulling left or right during cutting is that it was not sharpened evenly. This is most likely to occur with saw owners who manually sharpen their saws with a file.
The fuel line may be clogged from stale fuel deposits, more reasons to cause your chainsaw to cut out when applying throttle. If a fuel line is cracked, it will leak gasoline and draw air from outside into the fuel line. If the line is leaking fuel, it needs to be replaced.

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Need to know what the carb adjustments are for a model 61 husky
ANSWER : Low side one turn out from bottem.high sie is the same.after saw is running readjust both high and low.make sure the side dosen’t go in any more then 3/4 of a turn out……if it does you will burn up the saw….

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Carb screws need adjusted i need to know the settings
ANSWER : Hi. Lightly seat the low screw and bring it out one and a quarter turns. Lightly seat the high and bring it out one turn. Adjust idle screw to suit. Regards Phil.

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Where are carb adjustment screws on toro lawn mower model 20017
ANSWER : The Tecumseh carb. does not have any adjustment screws. What is the mower doing wrong ?

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Proved saw is firing, acts like it is not getting enough gas, need to know proper procedure for adjusting carb. and what the two adjustments marked L and H do. Looks like it takes a special wrench, need to know where to obtain wrench, if these need to be adjusted. Saw has very small amount of run time on it, though it is a couple of years old.
ANSWER : If the saw has a EPA carb it will have anti tamper screws, these have a spline on them, not a screw driver slot, there is a special tool to adjust the jets part no. 530035560, check the web for sellers, both screws are fuel screws, not air screws, so the more you undo them the richer the mixture gets, the L screw will adjust the mixture from idle up to half throttle, the H screw will adjust from half throttle to max rpm, all saws today are set for the best emmissions not the best running so they are always set on the lean side, the settings as they are will be a good starting point, if the saw does not pick up clean inscrew the L screw a bit at a time until it does, be very carefull with the H screw as this can be leaned off too much and the saw will over rev and possibly seize, this should be do with a taco so as you know what the rvs are, it should not exceed 12500 rpm.it should aleays sound a little rich at maximum no load revs.

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Need to know what carb screw adjustment need to be set at weedeater starts for about 4-7 sec then shuts down put new hoses on checked gas filter and cap checked out ok. i pump the ball about 10 times ,pull cord &starts for about 4-7 sec then shuts down,like no gas or electrical problem. i played with the screw settings & dont know where they shoould be set at . had carb all apart ,put in new plug doesnt seem to matter what i do it does the same thing . any thoughts?also when it starts the motor will rev up when u hit the gas and when it shuts down the gas hose from the tank is still full of gas
ANSWER : If there is a choke adjustment you should set that at full until the trimmer warms up, don’t touch the gas. Then repull start at half choke, don’t touch the gas either at this time. Then start at no choke, and then set your idle on the carberator with the adjustment screw. Also don’t push the primer bulb so many time you will cause the spark plug to get flooded and drown out the spark, which is exactly what is happening.

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Trimmer takes a long time to warm up. Cuts out when under full trottle and will not idle. Which screws are high and low speed adjust? There are two of them side by side. Do U need a special tool to adjust hi/lo speed screws?
ANSWER : Sounds like the carb needs cleaning, it is staying on choke to long. I would not bother the screws, or either a hose for the gas flow is bad.

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How do you get to the throttle jets huskvarna 130BT blower
ANSWER : The 130 has a rotary style carb, so the only adjustment is down through the top of the throttle spindle, you will need a very small flat blade screw driver, the screw down here will lift or raise the needle in the carb, there may well be a plastic plug to remove before you can get deep enough to adjust it.

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I need to know how to adjust the governor on my MTD model 31A-62EE729 snowblower with a 179cc motor
ANSWER : Lossen the nut on the governor shaft, and move the arm toward the carb while holding the arm in this position turn the shaft counter clock wise and tighten the nut. and you are done. GOOD LUCK

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