Rev.5
13-2
OVERVIEW
The fuel system consists of a fuel neck and cap, 20-gallon fuel tank, tank sending
unit, mechanical fuel gauge and electric fuel pump aft of the center section. The ES
40105 Electric fuel pump is a 12V DC solid-state pump. This serves as an auxiliary fuel
pump. The VA-261 Fuel Strainer at the outlet of the fuel tank prevents any large foreign
objects from proceeding into the rest of the fuel system. Forward of the center section,
in order; there is the fuel valve, fuel flow transducer, gascolator, Engine driven fuel
pump, and the fuel manifold. The fuel valve provides the ability to permit or prevent fuel
flow to the fuel system downstream of the fuel valve. The manifold feeds the fuel
pressure sender, fuel return line and the left and right carburetors. The gascolator
serves as the primary fuel filter and water trap. Sample the gascolator sump frequently
to monitor the amount of water introduced into the fuel system. The gascolator and fine
fuel screen requires inspection and cleaning at regular intervals (at least annually).
•
NOTE: This maintenance manual is intended to be used in conjunction with
the RV-12 Kit Assembly Instructions (KAI) when completing maintenance or
repair processes.
COMPONENTS
Quantity
Part or Assembly Name
Part Number or Reference
1
Fuel cap
T-406A
1
Fuel neck
T-1211
1
Fuel tank
See KAI
1
Fuel strainer
VA-261
1
Electric fuel pump
ES 40105
1
Fuel valve
4161089
1
Gascolator
GAS-5
1
Fuel quick-drain
CAV-110
1
Fuel flow transducer
Flo-Scan or FT-60
1
Fuel sending unit
IE F-385B
1
Left carburetor
See Rotax Documentation
1
Right carburetor
See Rotax Documentation
1
Mechanical fuel pump
See Rotax Documentation
1
Fuel pressure sender
See KAI
1
Mechanical Fuel Gauge
IE-00001
Summary of Contents for RV-12
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