Stihl FS55R trimmer, bulb won't fill.

Jeff T

Member
Joined
Jun 5, 2019
Threads
10
Messages
41
I disassembled the unit to inspect the bulb and fuel lines. Both are fine, not cracked and hold pressure.

When I press the bulb I hear a whistle in the tank, see bubbles, but nothing goes to the bulb.

My next step is going to be compressed air to the carb.

Suggestions?? Thanks!
 

bertsmobile1

Lawn Royalty
Joined
Nov 29, 2014
Threads
64
Messages
24,647
1) DO NOT PUT COMPRESSES AIR ANYWHERE NEAR A CUBE CARB
If the bulb returns quickly then the fuel line is broken between the filter & the carb and you are just sucking air into the carb then blowing it back
 
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