Question about McCulloch Garden
Removed the lever.
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Posted on Jan 02, 2017
turn both jets in untill snug (don't force) turn out ccw one full turn. increase by 1/8 turns untill set proper. should be between 1 1/4 and 1 1/2 normally. good luck. be safe.
Posted on Sep 21, 2008
try my answer to the post on McCulloch pro/mac 10-10 chainsaw owners manual... posted by denniswick on Oct 03, 2008
Posted on Feb 13, 2009
This is a tough one to find, but after some research I found the full blown tech manual (this saw is of the late 1980's vintage!)
Anyway, here's a free manual - I suggest you print and save a copy as a pdf for future use and reference, as once this gets pulled off the site, I doubt you'll be able to find it again.
You can also try calling 1-800-521-8559 and ask for the parts deparment and request a copy of the owners manual be emailed to you in a pdf format.
Hope you find this Very Helpful and best regards!
Posted on Aug 21, 2009
There are no hard and fast settings.
A good initial starting point for the "H" and "L" needle valves are 1.5 turns CCW from lightly seated.
The "T" adjustment enters here (idle speed) and there is no initial setting without a tachometer, depending on age of your saw there may not be any initial "T" setting.
The "L" needle is primarily idle performance (not speed) and acceleration to full throttle.
The "H" is mostly performance at speed, but all are interconnected.
Start with a fresh mix of fuel. Put ALL of the old mix in any 4 cycle engine and start new. I suggest 50:1 regardless of what your manual says.
• CW is leaner; to lean will destroy the saw. If over tightened closed (CW) the adjustment screw faces are easily marred; once marred adjustments are difficult to impossible to set properly.
• Clean the air filter; adjusting with a dirty filter can cause a run lean condition once cleaned and the saw run.
• Clean the spark arrestor and muffler; if the saw cannot exhale it cannot inhale.
Now we adjust for performance. The best performance adjustment procedure I have found follows.
Madsens Shop & Supply, Inc. Carburetor adjustment (All saws homeowner and professional are the same)
http://www.madsens1.com/saw%20carb%20tune.htm Read step 4 (allow it warm before making adjustments).
• There are 2 wav (sound - idle & full - may not be highlighted) files that I find most helpful, I think you will too.
I am going to inject a little philosophy here. Undetected air leaks and defective fuel delivery systems account for most chainsaw failures. Constant adjustment of needle valves can easily camouflage more serious problems that result in burning up your saw. A sudden need for an adjustment is often indicative of a larger problem.
If push comes to shove a local saw shop (I prefer Stihl mechanics and do not own a Stihl) should be considered.
If you have more questions or need additional help please reply below and I will get back to you. HTH & Good Luck.
Thank You for using FixYa.
Posted on Jul 09, 2010
Does the chain turn freely by hand? Is it being oiled properly? Check the fuel filter, air cleaner, and muffler for plugging. Does 'feathering' the choke make any difference? If it helps, try turning the H jet needle CCW about 1/4 turn which should make it run more rich and 4-stroke until you are cutting which should immediately cause the engine to 2-stroke. Hope some of this helps!
Posted on Jul 23, 2010
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