Rotax 914 F - Page 35

Reference
Modification no.
- 0 -
Page
35
Date
1997 02 01
Main
914 F
01476
Rising airbox pressure will press diaphragm upwards thus decreasing fuel
flow back to tank ➍ e.g. fuel pressure rises until equilibrium is reached.
■ ATTENTION:Correct excess fuel pressure is essential for proper function
of carburetor.
➪ too low fuel pressure (wrong calibration, malfunction of regulator,...) leads
to a leaner mixture and can result in engine troubles or engine failure as
not enough fuel or no fuel at all reaches the float chamber.
➪ too high fuel pressure (wrong calibration, malfunction of regulator, in-
creased flow resistance, blockage of retour line,...) leads to a richer
mixture till flooding of carburetors causing engine troubles or engine stop.