Question about Chainsaws
I'm looking for two things. First, does anyone know where I can download a pdf verson of the owners manual for this chainsaw? I bought it new back in 1976 and it still operates great. I've misplaced the owners manual however. Second, what is the oil/gas ratio for this saw?
I have an old McCULLOCH MAC 10-10 chainsaw that takes 40-1 gas. Take the metal air filter cover off, and look on the inside of it, it should tell you all the info you need like starting it, what kind of gas etc,etc
Posted on Aug 06, 2010
32:1 is the correct ratio.
Posted on May 27, 2009
I was researching for a manual for a different McCulloch chainsaw and I found this link to an owner's manual. I am not sure if it will work for you or not.
Posted on Oct 05, 2008
Hi i have a mcculloch promac 850 with a 28" bar hard nose, i bought the saw new in 1982, oil too fuel...27-1 , 94 octane or higher, i use av gas 100 hope this helps you out
Posted on Feb 13, 2010
Look at the date please. The majority are over a year old.
Posted on Feb 13, 2010
The quality of the fuel lubrication is the greatest dilemma with respect to compression (the octane number) and combustion emissions to make, together with the carburetor setting together the mixing ratio and by a lot of changes over time with the use of the latest technology concerning the alkylate fuel nowadays on high compression technology (thinking of the new machines with the decompressor by hand to push to start).
When older machines are used to alkylate fuel like Stihl motomix otherwise aspen T2, then the oil-ratio of the machine looks incorrect, but can be used basically fine without damage as long as the L-H adjustment is correctly adjusted, the H adjustment ( full throttle) must be adjusted significantly richer so that the engine speed decreases by H brisk outwards until it is sound 4-strokes and L adjustment so that the throttle speak properly so well reacts on the throttle.
Posted on Nov 04, 2016
Some were 32:1, some 40:1, I've even seen 16:1! 50:1 with premium fresh gas is the new standard. Mix a gallon or two at a time only so it doesn't go stale in a month, pour the unused in your car, and you'll be just fine.
Posted on Nov 21, 2013
Hi, i was trying to find a manual for a mcculloch pro mac 850, to no avail. but try this site for the other models manual, eg. mcculloch pro mac 61. heaps better than that stupid/slow iscribe site... and you can actually view the file properly.
try the 'chain saw collectors corner' http://www.acresinternet.com/
GREAT source of chainsaw specs and help.
hope this helps.
Posted on Feb 13, 2009
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