12-40 Fuel System
WARNING
Review appropriate Safety Data Sheet (SDS) when working in
proximity to hazardous materials. Specific recommendations
for use of personal protective equipment are located in the SDS.
WARNING
Always fuel helicopter in a well-ventilated area. No smoking
within 100 feet of aircraft during fueling.
12-41 Fueling
1. Turn battery switch off.
2. a. Main Fuel System: Ground helicopter and ground fuel vehicle. Open fueling cowl
door and connect fuel vehicle ground cable to helicopter at location identified by
decal.
b. Auxiliary Fuel System: Ground helicopter and ground fuel vehicle. Open baggage
compartment door and connect fuel vehicle ground cable to aux fuel tank at
location identified by decal.
3. Verify proper grade of aviation fuel. See R66 Pilot's Operating Handbook (POH)
Section 2 for approved fuel grades and instructions for use of anti-ice additive.
4. Remove fuel cap and fuel helicopter as required.
NOTE
If auxiliary fuel system is installed, press QUANTITY button on
aux fuel control panel for aux tank quantity, displayed on fuel
quantity gage.
5. a. Main Fuel System: Install fuel cap, remove grounding equipment, and close and
secure cowl door.
b. Auxiliary Fuel System: Install fuel cap, remove grounding equipment, and close
and secure baggage compartment door.
JUL 2020 Chapter 12 Servicing Page 12.13
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