Question about McCulloch 16 Inch Gas Chain Saw MCC1635AK

1 Answer

Throttle linkage have a mac 110 chain saw and can not figure how the throttle lever links to the trigger when replacing the cover? Does not appear the throttle link lever is broken.

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  • Anonymous Mar 30, 2014

    my mpg 250 pole pruner has a broken throttle trigger .where can i get a replacement ?

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  • Master
  • 4,088 Answers

It seems that Mac engineers could have come up with something better than the M.M. kluge that they did. The problem is hooking the wire link to the plastic hook on the trigger plastic casting while juggling the front case and engine body. It appears that it should just snap together, but knowing how plastics get with age, it would appear that the trigger should be replaced every time the case comes off. I had trouble with mine and wound up straightening out the wire link end somewhat to force the parts together--it continues to work though. Hope this helps!

Posted on May 06, 2010

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Posted on Jan 02, 2017

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1 Answer

How to replace throttle cable on mcc1635a chainsaw


http://www.mcculloch.com/ddoc/MCCI/MCCI2008_USen/MCCI2008_USen_MCC1635A-9096311037_966001701.pdf
This link gives a breakdown of the Chainsaw. The trigger is mounted internal, and has a linkage to the throttle plate on the carb.
Determine which part if any need replaced and turn saw on its side, then remove the screws and lift one side off. replace the broken parts and reinstall cover.

Sep 12, 2017 | Garden

1 Answer

I have a Poulan PP4218A Pro.The problem I have when I try to throttle up the engine it wont throttle all the way up and the trigger does not release properly.


Sounds like you may have the linkage bent or in a bind. Before going forward you need to determine the trigger linkage is working properly.

Dec 02, 2016 | Poulan PP4218AV 18" Chain Saw

1 Answer

The engine starts fine, but why doesn't it rev when I press the trigger?


Have you checked the throttle linkage to the carb.?

Apr 21, 2016 | McCulloch Garden

1 Answer

Chain saw starts but cuts out as soon as i press trigger


This I just a wild guess but here goes.
Most chain saws have a on off switch located fairly close to the throttle. The switch kills the engine by grounding out the wire attached to it. If the insulation has been rubbed off the wire and the metal linkage for the throttle touches it it will short the wire to ground and kill the motor the same as the switch. Remove the air cleaner cover and check wires for bad spots .tape up any bare spots and relocate wiring away from throttle linkage if necessary .
Hope this helps.
Bobalix

Jan 17, 2015 | Garden

1 Answer

Saw wont idle, runs wide open


Some saws have a throttle lock that locks the trigger to aid starting. Get a look at the carb to see if it opens when the trigger is pressed and closes when the trigger is released. If it stays open the lock may not be releasing or the throttle linkage is bound up or disconnected from the carb.

Dec 13, 2013 | John Deere 28 30 40v 50v 55v 60v 70v 80ev...

2 Answers

Model P3314 throttle is stuck


Remove the air cleaner assembly to see the carburetor throttle mechanism and open the handle so that you can access the throttle trigger. There should be either a cable or wire connecting the trigger to the throttle arm on the carburetor. Try moving the trigger and see if it responds at the carburetor. Is the carburetor arm against the idle stop screw, wide open, or some where in between? There should be a spring at the throttle arm that returns the arm to the idle stop if the cable/wire is disconnected. The trigger mechanism may be jammed with sawdust to prevent movement. Hope this helps!

Mar 19, 2010 | Poulan Garden

2 Answers

Trigger on poulan 3314 does not control speed. Saw runs at constant speed, somewhere above fast idle.


Open the cover over the air cleaner so that you can observe the action of the throttle cable and carburetor lever. Operate the throttle--normal action is lever wide open at full throttle and lever resting on idle stop screw when throttle released. If action is restricted, disassemble the handle where the throttle trigger is located and clean out the sawdust. Recheck throttle action. The throttle cable shouldn't require lubrication. Clean the air filter and check the operation of the engine. Hope this helps!

Jan 27, 2010 | Poulan Pro 16-Inch 38 cc Anti-Vibration...

1 Answer

I took apart my new stihl ms 210 the throttle assembly anyway, where does the black wire connect to? there is a red wire connecting to a metal bracket that is coming from the same hole the black one is i...


On the Master Control Lever, you will notice a round reciever on the left side of the lever shaft. This holds the round terminal of the black wire in place. As the lever is rotated upward, the shaft brings the terminal of the black wire into contact with the flat brass spring (which belongs ON TOP of the lever shaft) and thereby stops the engine.
If the throttle trigger is pulled each time the lever is set to choke, this will never again be an issue. However, if the lever is pushed all the way down to choke and the throttle trigger isn't pulled, the linkage will malfunction again.
ALWAYS pull the throttle trigger before you set the choke.

Hope this helps,
Dolf-

Oct 14, 2009 | Standard Oregon Chainsaw Chain For Stihl...

1 Answer

Crafstman chainsaw at full power when started


If you had this apart, a few things may have happened. First the linkage from carb to throttle trigger maybe jammed between plastic housing or linkage may have come apart and throttle is in the full open position. You'll have to take this apart again and follow the linkage between carb and throttle trigger to ensure all is connected and moving freely and properly. Use care when putting housing back together.

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