B blackchevy3de Active Member Dec 4, 2014 #1 I HAVE A WLA-1 carb on my 500t blower , my question is can someone tell me what the (piston assy is, number 12318539130) and what it does, im thinking its some kind of power valve, its brass has a oring, and spring
I HAVE A WLA-1 carb on my 500t blower , my question is can someone tell me what the (piston assy is, number 12318539130) and what it does, im thinking its some kind of power valve, its brass has a oring, and spring
R Rivets Lawn Royalty Dec 4, 2014 #3 That piston assembly is used to apply mechanical pressure to the diaphragm of the internal fuel pump.
That piston assembly is used to apply mechanical pressure to the diaphragm of the internal fuel pump.
