Husqvarna 225b leaf blower air purge diaphram replacement

.025"

excess fuel and not enough air
check for blocked air filter, blocked exhaust , blocked jet

Try a new gas cap. There needs to be air behind the liquid in a vacuum (think plumbing) or it does not flow. Make sure you've replaced all the cracked lines. Allowing air into the vacuum will also stop the flow. It's one of these.

They are refering to the 'fuel primer bubble' located on the bottom of the carb.

Strip and clean carb, may have a blockage in the primer inlet, Do not use airlines or poke things in holes as these can also contain delicate small valves. Worth checking fuel filter too.

Remove air filter cover,remove air filter, remove two nuts holding the assembly,pull primer bulb assembly out,remove primer tube. Reinstall in reverse order. http://www.ebay.com/itm/530047721-POULAN-WEEDEATER-RED-SNAP-PRIMER-BULB-/190568099240?pt=LH_DefaultDomain_0&hash=item2c5ebe6da8#ht_1848wt_718

hi there ssh4990

pauly46 here

is the blower fan turning ? or has the connection between fan and motor shaft been broken / shawn ?

is the air intake blocked ?

has the fan blades been broken off ?

is the outlet tube blocked ?

check these out as thats about all it could be

have a look and let me know

cheers

sounds like u have a carb problem,ether theres debris stuck in needle valve needle is stuck open or the check valve diaphram is bad.take carb off on one side there is a plate with 4 screws remove then agasket and diaphram remove them some times they stick to carb so use a razor blade to go underneth diaphram all around from center youll see a metal see saw with a pin going through if u push on center it will lift needle valve on other side make sure it goes all the way down or remove by removing screw that holds pin in and blow out with air lightly may blow seat out after that on other side of carb take other plate off by center screw that diaphram has 2 little flaps check valves make sure they are limber and not wrinkled or bent if so u can get new ones at good mower shop or parts supply hope this helps

check the mix settings and the fuel diaphram is set in the carb correctly

A few possibilities, first check the tiny little vent hole in the gas cap for a clog.Second, check the fuel filter in the tank. Third, remove the muffler and inspect the piston for scores and that the rings are free, remove ant carbon build up from the exhaust port. If the trouble persists its time to go into the carb, The pump and metering diapgragms will harden over time and loose their elasticity and cause this problem also