Coarse Filter; Water Trap; Fine Filter; Genuine-Rotax Fuel Pump Assy - Rotax 912 i Series Installation Manual

1.5) Coarse filter

The coarse filter must be installed such that it is easily accessible for main-
tenance work and can be inspected as per the maintenance overview.
A coarse filter with mesh size from 50 - 67 micron (0.0019 in.-0.0026 in.)
must be provided in the supply line between the tank and the fuel pumps.
This filter must be of sufficient capacity to prevent complete blockage
between maintenance intervals.
1.6) Water trap/Gascolator
A suitable water trap must be installed. Certification according to the latest
regulations, such as FAR or EASA, must be conducted by the aircraft or
fuselage manufacturer.

1.7) Fine filter

The fine filter must be installed so that it is easily accessible for mainte-
nance work and can be inspected as per the maintenance overview.
The fine filter with following specifications must be installed between the
fuel pumps (modul) and the injection rail (cylinder 1/3):
Filter mesh size: 8 - 12 micron (0.0003-0.0005 in.)
Fuel flow rate: min. 90 l/h
Differential pressure: max. 0.02 bar (0.29 psi)

1.8) GENUINE-ROTAX fuel pump assy.

NOTE:
The electrical fuel pump must be attached near the tank, taking advantage
of a "cool" installation position in order to ensure a safe fuel supply, espe-
cially with regard to the risk of vapour lock. The pump must be free of
vibrations and installed low, if possible below the level of the fuel tank out-
let.
Effectivity: 912 i Series
Edition 1/Rev. 2
BRP-Powertrain
INSTALLATION MANUAL
Fuel pumps are permitted in connection with the GE-
NOTICE
WARNUNG
NUINE-ROTAX steel housing only. When not using
this assy., the aircraft manufacturer has to perform all
tests according to the latest construction regulations.
The GENUINE ROTAX fuel pump unit has been tested and
approved according to CS-3-130. Thus , the fuel pump unit
can be installed to the firewall without additional fire protec-
tion.
73-00-00
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January 01/2014