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found; Old Mccollugh PM605

retiredmechanic

retiredmechanic

New Member
Joined
Nov 14, 2019
Messages
1
Age
58
Location
Oklahoma
I recently found this saw in a collapsed garage that was about to be burned down Mccollugh PM605 the compression is 190 psi the spark is great and the blade and bar is in excellent condition Looks almost new I replaced the rock hard fuel lines and put in a new needle and seat and diaghram kit but it doesnt want to fire up I would like to know what others think about this saw would it be worth my time if it turns out to be major repair? even with a prime of wd40 it refuses to even try to start
 
johninky

johninky

ArboristSite Operative
Joined
Sep 27, 2005
Messages
252
Age
72
Location
ky
Has spark and compression. Only lacking fuel for some reason. What if you pulled the park plug and injected some fuel directly into the cylinder?
 
grampy666

grampy666

ArboristSite Lurker
Joined
Oct 28, 2019
Messages
16
Age
65
Location
Bowdoinham, Maine
My McCulloch Eager Beaver 3.7 (PM610 equivalent) has always been a PITA to start, especially when it's been sitting for extended periods. I usually fiddle with the choke and yank the starter until my arm gets tired, then let it sit a few minutes and repeat. Eventually, it starts. IMO, these saws would benefit from a primer bulb, maybe you can retro-fit one?
 
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