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Need craftsman chainsaw manual

Information for factory settings of low/high sped idle mixtures

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  • kakima Feb 07, 2014

    What model Craftsman chainsaw?

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2 cycle engines almost all share the same characteristics when setting the carb. this link should get ya going. remember if the piston is damaged you wont pump fuel. carb adjustment screws dont adjust themselves. google(piston blow by) http://www.tillotson.ie/docs/techinfo_HS_US.pdf

Posted on Apr 19, 2014

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Could some help me with factory carb settings on this saw


Adjustment and Tuning of a Chainsaw Carburetor ' Chainsawr

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Carburetor Adjustment for Chainsaws Carburetor adjustment is critical on chain saws ... These saws have what is called a "fixed jet" which is set from the factory.

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The fuel/air mixture in any gasoline-powered engine is regulated by the carburetor, and the carburetor in a Stihl chainsaw is factory-adjusted to provide the best performance.... You'll find three adjustment screws for the carburetor, usually located under the air filter cover.

Factory carb setting on Craftsman 2.0 or Poulan Micro ' Firewood


Dec 04, 2015 | Garden

1 Answer

What is the factory setting for lowand high screws on 25cc craftsman blower


If the two screws are side by side, one is the high speed mixture screw and the other is the low speed mixture screw. To set the high and low adjustment screws, tighten the screws in until they stop, don't force the screw after it stops. Back each screw out 1 1/2 turns. The engine will start and run here if everything else is ok. Fine tune each adjustment screw by closing the screw off (CW) until the engine runs rough. Back the screw out (CCW) until the engine smooths out. Run the engine at full speed and adjust the high screw. Let off the trigger and adjust the low screw. Once the mixture screws are adjusted, you can turn the idle screw to adjust the idle speed. It can take some time getting it all adjusted.

Nov 20, 2013 | Garden

1 Answer

Just need mixture srew factory settings how many turns out


one and a half turns for the high speed and 1 turn for the idle. After you get it running you should fine tune both high and low speed.

Mar 12, 2011 | Garden

1 Answer

On small 1985 14 inch craftsman chansaw what is the high and low settings set on the carb


Not knowing the model, you can always look on the body of the carburetor, there should be an "H" for the high speed mixture screw and an "L" for the low speed or idle mixture screw. Both screws should be set initially 1 to 1 1/2 turns out from seat and then the carb. will have to be fine tuned from there. The high speed screw is adjusted when the throttle is in fast position, at 1 1/2 turns out you should have a slightly rich mixture so you may need to slowly turn it in until you hear the saw's rpms start to increase. You want to find a medium point between too rich and too lean. The low speed or idle mixture screw is set the same way just at idle rpm instead of full throttle, find a medium between too rich and too lean. You should be able to throttle form idle to wide open without any "lag" or "stumbling". You can also offset any rpm change at idle with the idle speed screw (not to be confused with the idle mixture screw). Hope this helps.

Feb 13, 2011 | Garden

1 Answer

Base adjust. on carb high and low needles on carb polen 42 18" thanks


The standard setting on needles is to screw them in all the way and then back them out 1 and a half turns.

You need to set the mixtures for the carburetor. You will find a Low and High adjustment screw. turn the low adjustment screw out. You will notice that the rpms should start increasing. keep turning it out until the rpms start to drop then turn it back in a quarter of a turn. You may need to readjust the idle speed so the chain doesn't turn during idle. Do the same for the high adjustment screw.

Oct 01, 2009 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

Can't set carb. on Husqvarna chainsaw.


Most chainsaws and small engines are 1.5 turns out.

You need to set the mixtures for the carburetor. You will find a Low and High adjustment screw. At idle turn the screw in or clockwise until the rps starts to decrease. Then start turning it out till you hit max idle rpms. Turn screw back in a quarter to half turn and it should be idling smoothly. Be careful here and get someone to hold saw if necessary but hold in throttle to full speed and do the same with high adjustment screw. turn it in till rpm starts to drop then back it out until you get to max rpm and it won't go any higher then turn it back in a half a turn.

Jun 20, 2009 | Husqvarna Forest & Garden 125l 18" Gas...

1 Answer

I need to know how many turns on the high and low idle set screws on my craftsman chainsaw.


Start with 1 1/4 turns on each and adjust from there. The screw closest the engine is the idle mixture. The other is the high speed

Jun 06, 2009 | Garden

1 Answer

I need a manual for a homelite gas hedge trimmer HT-19 I need the factory settings for the carb. bottom out screw turn out 1 1/4 turn? Have to hold throttle wide open to run.


Hello cosorio70:

You can Get a Manual from the Following Site Addy;
https://register.homelite.com/contact_us/new and Fill Out the Required Information. Remember to have the UT Number if this Unit has One.
>>The Following is the Instruction File for Setting the Air Mixture Screws. Any Input is Appreciated. The Procedure is the Same for 1 or 2 Mixture Screws, Just Use the Instruction File and Skip Over the Section with the Missing Mixture Screw ( Usually the H Mixture Screw).
>>Now Setting the Air Mixture Screws:
>>****Turn the Idle Air (L) and Main Air (H) Mixture Screws In Until SNUG **Do Not Jam** Then Reverse Both Screws 1 1/2 Turns. Set the Throttle Full Open, Start the Engine.
>>Turn the Main Air (H) Mixture Screw Clockwise Until Proper Revs are Obtained. **Carefully Use your Finger and Move the Governor Arm to Rev the Engine (on Chainsaws and Trimmers Use the Trigger to Rev the Engine) Until you Reach Max RPMs (on Chainsaws and Trimmers, the RPMs are Not Set to MAX. Set to Max and then Reverse the Setting Screw 1/4 or 1/2 Turn. If the H Mixture Screw is Set too High; the Engine will be Starved for the Oil in the Gas and Damage the Piston and Jug/Cylinder) and the Engine is Running Proper at Full Throttle Up a Grade and for Chainsaws and Trimmers they Do Not Bog DOwn Under a Load. Occasionally you May have to Turn this Counter Clockwise to Achieve the Proper Revs.**
>>Now Allow the Engine to Idle. Set the Engine Idle Screw (Not Idle Air) so the Engine will Stay Running if Required.
>>Now Set the Idle Air (L) Mixture Screw so there is No Hesitation when Rapidly Throttling from Idle to Full Throttle. Reset the Engine Idle if Required.****
Please, Do Not Hesitate, If I Missed Something or you Hit a Snag or this Does Not Correct the Problem, I am Here if You Require More Assistance.
Hope this Helps. Let me Know What Happens, Please. May the All Mighty Bless You and Yours. Be Safe and Be Happy. Thanks.

Good Luck

Respectfully

jbridger (John)

May 14, 2009 | Homelite Garden

1 Answer

Need to adjust fuel and air mix to start trimmer.


Hello gwturley201:

I am Including the Carburetor Adjustment File Also.
From your Description it Sounds like the Exhaust Port or Muffler is Restricted with Carbon Deposits, the Carburetor Metering Pump Actuator Gap is Incorrect.
>>The Following is a Basic Instruction File for Doing a Diagnostic on the Engine for this Problem. Any Input is Appreciated.
>>**Remove the Muffler and Make Sure the Exhaust Port is Clear.
>>If it is, then Try to Start the engine with the Muffler Off.
>>If it Starts and Runs Properly, then Clean the Spark Arrestor Screen in the Muffler or Replace the Muffler if Required.
Is the Fuel Line from the Fuel Filter Staying Full of Fuel?
The Carburetor Metering Jet Actuator is Set so the Pump Diaphram Dowl is Just Touching the Actuator Arm. These Components are Located Under the Cover with 4 Small Screws Holding it to the Carburetor Body.
>>The Following is the Instruction File for Setting the Air Mixture Screws. Any Input is Appreciated. The Procedure is the Same for 1 or 2 Mixture Screws, Just Use the Instruction File and Skip Over the Section with the Missing Mixture Screw ( Usually the H Mixture Screw).
>>Now Setting the Air Mixture Screws:
>>****Turn the Idle Air (L) and Main Air (H) Mixture Screws In Until SNUG **Do Not Jam** Then Reverse Both Screws 1 1/2 Turns. Set the Throttle Full Open, Start the Engine.
>>Turn the Main Air (H) Mixture Screw Clockwise Until Proper Revs are Obtained. **Carefully Use your Finger and Move the Governor Arm to Rev the Engine (on Chainsaws and Trimmers Use the Trigger to Rev the Engine) Until you Reach Max RPMs (on Chainsaws and Trimmers, the RPMs are Not Set to MAX. Set to Max and then Reverse the Setting Screw 1/4 or 1/2 Turn. If the H Mixture Screw is Set too High; the Engine will be Starved for the Oil in the Gas and Damage the Piston and Jug/Cylinder) and the Engine is Running Proper at Full Throttle Up a Grade or for Chainsaws and Trimmers; they Operate without Bogging Down. Occasionally you May have to Turn this Counter Clockwise to Achieve the Proper Revs.**
>>Now Allow the Engine to Idle. Set the Engine Idle Screw (Not Idle Air) so the Engine will Stay Running if Required.
>>Now Set the Idle Air (L) Mixture Screw so there is No Hesitation when Rapidly Throttling from Idle to Full Throttle. Reset the Engine Idle if Required.****
Please, Do Not Hesitate, If you Hit a Snag or this Does Not Correct the Problem, I am Here if You Require More Assistance.
Hope this Helps. Let me Know What Happens, Please. May the All Mighty Bless You and Yours. Be Safe and Be Happy. Thanks.

Good Luck

Respectfully

jbridger (John)

May 13, 2009 | Craftsman Garden

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