To Adjust The Fuel Injection Advance Angle - Husqvarna TF544 Workshop Manual

Appendices and schedules
3�2�11 To adjust the fuel injection advance
angle
1. Remove the oil nozzle.
2. Remove the fuel injection pipe and install the
injection timing measurement pipe.
3. Match the position mark on the flywheel with the
matching line on the cylinder body.
22 – English
4. Turn the flywheel first clockwise then
counterclockwise to make sure that fuel is injected.
(If it is not, turn the flywheel once.)
5. Turn the flywheel slowly until fuel flows out of the
pipe. When the fuel begin to flow, check that the
angle on the flywheel is about 18°.
6. Repeat three or four times to make sure the reading
is correct.
How to adjust the injection timing
1. Remove the fuel injection pump and base.
2. Add or remove gaskets to adjust the advance angle.
Add one gasket to decrease the advance angle by
1.2 °. Remove one gasket to increase the advance
angle by 1.2 °.