RotorWay Exec 162F Specifications download pdf (Page 31)

RotorWay International

Exec 162F Maintenance Manual

Rev. 1 1/01

Section 11: Fuel System

The RI 162F engine is equipped with RotorWay’s FADEC electronic fuel injection system. In this system, gasoline is

delivered to the injectors at a very high pressure (up to 60 PSI). Braided stainless steel hoses and high quality fittings are

used throughout the system.

Reference prints: E25-2000, E25-2001, E37-2000

SERVICE NOTES:

1. The fuel tank caps are vented. If the vent becomes stuck or plugged, the engine may be starved for fuel and the fuel

tanks may partially collapse. Remove the cap and inspect the plastic valve in the underside of the cap. To restore

venting, heat a piece of welding rod or wire and push it through the valve.

2. Check routing and security of all hoses. They should be routed so that they curve smoothly without being kinked or

sharply bent. The steel braided hoses are EXTREMELY ABRASIVE. When the engine is running, vibrations will cause

the braid to wear through whatever it comes in contact with, just like a file. Verify that all braided hoses are positioned

so that they do not contact or rub against anything else. Inspect all hoses and fittings for leaks. Run your finger under

each connection to verify that fuel is not slowly leaking out.

After performing any maintenance that requires hoses or fittings to be uncoupled, perform a pressurized leak check.

To do this, tighten all fittings, turn on the fuel pumps and check carefully for leaks. CAUTION: The fuel system

operates at a VERY high pressure. When performing this check, wear eye protection and have a fire extinguisher at

hand. Check the system regularly in the first few hours of operation. Refer to the Engine Manual for further details.

CAUTION: Teflon lined steel braided hoses have a tendency to “set” after being exposed to heat and pressure.

Attempting to change the curvature of a hose after it has set may cause the lining to crack.

INSPECTION CHART

PART NO.

Directional Control

E25-2101 Fuel Cap 100 HR 2000 HR/OC 11-1

E25-4011 Hose Assembly 100 HR 2000 HR/OC 11-2

E25-4020 Hose Assembly 100 HR 2000 HR/OC 11-2

E25-4030 Hose Assembly 100 HR 2000 HR/OC 11-2

E25-4040 Hose Assembly 100 HR 2000 HR/OC 11-2

E25-4050 Hose Assembly 100 HR 2000 HR/OC 11-2

E25-4061 Hose Assembly 100 HR 2000 HR/OC 11-2

E25-4071 Hose Assembly 100 HR 2000 HR/OC 11-2

E25-4080 Hose Assembly 100 HR 2000 HR/OC 11-2

E25-4110 Hose Assembly 100 HR 2000 HR/OC 11-2

E25-4121 Hose Assembly 100 HR 2000 HR/OC 11-2

E25-4570 Fuel Valve Cable 100 HR 2000 HR/OC

E25-4600 Fuel Pump 100 HR 1000 HR/OC

E25-4630 Fuel Filter 100 HR 100 HR/OC 11-3

E25-4640 Fuel Pressure Regulator 100 HR 1000 HR/OC

E25-4660 Shut-off Valve/Filter 100 HR 2000 HR/OC 11-4

E25-6102 Fuel Tank, Pilot 100 HP 2000 HR/OC

E25-6112 Fuel Tank, Passenger 100 HR 2000 HR/OC

E25-6130 Fuel Gauge (W/light) 100 HR OC

E25-6122 Fuel Gauge Sending Unit 100 HR OC 11-5

DESCRIPTION

SERVICE

REFERENCE

INSPECTION

INTERVAL

R.C.O.

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