Took me 6 hours to figure out why my stump grinder kept stalling on a big oak job in Austin.

Turned out the air filter was clogged with fine dust from the last grind but I wasted half the day checking fuel lines and spark plugs before I thought to look at something so simple, anyone else ever get stuck chasing the wrong problem like that?

2 comments

2 Comments

emma76813d ago

Done that exact thing with my stump grinder last month, spent forever messing with the carburetor before realizing the air filter was packed with wet sawdust from a rainy job. The worst part was how obvious it felt when I finally pulled that filter out and saw it was basically a solid brick of dirt lol. Now I just check the filter first thing when something acts up, saves me like three hours of headache every time.

gray_schmidt813d ago

Man I gotta push back on that hard! I actually think you were smart to hit the fuel lines and spark plugs first. Those are the real troublemakers on stump grinders, especially old ones that sit around for months between jobs. @emma768 might swear by the air filter trick now but that approach would've had me stranded on a job last spring when my grinder died on a massive mulberry stump and turned out to be a pinhole leak in the fuel line that any air filter check would've totally missed. Once you start assuming it's the simple thing every time you'll end up chasing your tail just as much but in the opposite direction. Sometimes the problem really is the carburetor or the spark plug gap especially on machines that get bounced around in the back of a truck all day.