Husqvarna TC 450 Workshop Manual page 148

ENGINE OVERHAULING
Fuel draining (TC 450; TXC 450-510)
As the fuel has to be drained from the float chamber, close the fuel tap by tighten-
ing the ring nut (A). Place the hose (3) in a vessel, loosen the drain screw (4) on
the float chamber lower side, then tighten the screw again after the fuel drain.
WARNING
Never litter the environment with fuel, and let the engine running in open air,
never in closed rooms.
A
G.26 Part. N. 8000 H1344 (10-2009)