BRP-Rotax
INSTALLATION MANUAL
HYDRAULIC INTERFACES
NOTICE
Independent from the ambient conditions (e.g. fuel pressure and temperature)
and independent from the used fuel the design of the fuel system must prevent
from vapour lock conditions. Vapour lock may result in engine stoppage.
Fuel inlet
Interface Parameter
Min. Max.
Fuel pressure (relative to MAP) 2.9 bar (42 psi) 3.2 bar (46 psi)
Acceptable Fuel pressure
exceedance (max. 3 sec.)
2.5 bar (36 psi) 3.5 bar (51 psi)
NOTE
Fuel pressure exceedance only allowed after power setting change
Fuel pressure oscillation
(min. sample rate 20 kHz)
-
1.0 bar (14.5 psi),
peak-to-peak
Fuel flow 56 I/h (14.8 gal/h) 150 I/h (39.6 gal/h)
Fuel quality EN 228
-
Fine filter quality
NOTE
Nominal rating 8 – 12 μm, minimum 82 % capture efficiency according to ISO
19438 (edition 11/2003), dirt particles > 35 μm are not permissible.
Connection: M14x1.5 or AN-6 (9/16-18 UNF).
Fuel outlet
Interface Parameter
Min. Max.
Fuel pressure (relative to Fuel
Tank pressure)
-
0.5 bar (7.3 psi)
Connection: M14x1.5 or AN-6 (9/16-18 UNF).
ELECTRICAL INTERFACES – 916 I TYPE A
Fuel pump
connectors
Interface Parameter
Min. Max. Nominal
Output Voltage (V) 12 V 14.5 V 13.8 V
Output Current (A) Fuel pump assy. (both pumps):
7 A 10.5 A
–
Output Current (A) Single pump:
4.5 A 7.5 A
–
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Page 6
December 01 2023
Effectivity: 916 i A / C24
Edition 0/Rev. 1