Homelite ZR10926 16 Chain Saw "holes front shirts" Questions

I have a stihl BR340 that won't start, I replaced the carb/air filter/fuel filter/ and plug. It ran once when the new carb was installed, but 30 minutes later I was back to square one. I checked spark

Chain oil tank full, feed channel behind guide plate clear, but no oil going to chain when running. This is a homelite 16. There should be a oil adjusting screw on the bottom of your saw next to the ...