Effectivity: 914 Series
Edition 2 / Rev. 0
d04279
page 89
July 01/2008
BRP-Rotax
INSTALLATION MANUAL
14.4.2) Check valve
Specification:
opening pressure ...................................... 0,1-0,15 bar
(1,5 p.s.i. - 2,2 p.s.i.)
permitted pressure in reverse-biasing ....... 2 bar (29 p.s.i.)
burst pressure ........................................... 5 bar (72,5 p.s.i.)
14.4.3) Fuel pressure control
See outline of fuel pressure control (3), Fig. 48 and Fig. 51.
Connections: inlet (1) (feed line from fuel pumps) and
outlet (2) (fuel return to tank)
hose nipple 4/6 DIN 7642
outside dia. ø 8 mm (5/16")
slip-on length max. 20 mm (3/4")
tightening torque of the
banjo bolts (3) M10x1x19: 15 Nm (133 in.lb)
■ CAUTION: Utilize the full slip-on length at hose joints. Secure hose with
suitable screw clamp or by crimp connection.
◆ NOTE: The control of the fuel pressure is achieved by a
valve activated from a diaphragm. Reverence pressure is
the boost pressure in the airbox.
Any arrows shown on top of the fuel pressure control are of
no significance for this application.
1
2
1
2
Fig. 51
05740
2
1
3
3
to tank
from fuel pump
to
carburetor
to
carburetor
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