Servcing
TTP
|
B1-L3
|
ATA12
|
Cessna
172
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B2-L1
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Fuel Tanks. : Each wing contains an integral fuel bay, located between the front and rear spars, extending from WS 31.38 to WS 65.125. Fuel bays should be filled immediately after each flight to lessen condensation in the tanks and lines. A fuel filler cap is located on top of each wing and provides a fueling/defueling point for each fuel bay.
Fuel Drains. " Fuel drains are located at various places on the underside of each integral
fuel bay and throughout the
fuel system. These drains are utilized to collect fuel samples for analysis.
This sampling is accomplished
by placing the fuel sample cup up to the drain valve, and depressing the valve
with rod protruding
from the cup.
Safety Precaution:
- Ground airplane first.
- Ground vehicle to the same ground as the airplane.
- Bond vehicle to airplane.
- Bond refuel nozzle to airplane.
- Ensure fire fighting equipment is positioned and immediately available.
- Do not wear clothing that has a tendency to generate static electricity such as nylon or synthetic fabrics.
- Do not wear metal taps on shoes.
- The airplane should be in a designated fuel loading/unloading area.
- High wattage, pulse transmitting avionics equipment shall not be operated in the vicinity of the fueling/defueling operation.
- Use designated equipment for fuel loading/unloading to prevent contamination.
- During defueling, ensure anti-ice additive blended fuel and unblended fuel are not mixed.
PTP
Cessna
172
|
B1
|
LOC
|
SGH
|
||||
B2
|
LOC
|
SGH
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243001 Main Battery - Examine the general condition and security. Complete the applicable
main battery servicing procedure. Refer to Chapter 12, Battery - Servicing. B 05-12-02 120
main battery servicing procedure. Refer to Chapter 12, Battery - Servicing. B 05-12-02 120
Fueling Procedures.
(1)
Ground airplane and vehicle.
(2)
Ensure battery switch is turned OFF.
(3)
Place protective mat around fuel filler area and remove fuel filler caps.
(4)
Fuel airplane. Ensure correct grade of aviation fuel is used.
(5)
Replace filler caps. Wipe up excess fuel from wing area.
(6)
Remove grounding equipment.
Defueling Procedures.
(1)
Ground airplane and vehicle.
(2)
Ensure battery switch is turned OFF.
(3)
Remove fuel filler caps.
(4)
Insert defueling nozzle into fuel bay and begin defueling.
(5)
Remove as much fuel as possible with defueling nozzle.
(6)
Drain fuel from drains located on underside of fuselage.
(7)
Remove drain valves from bottom of fuel tank and drain remaining fuel.
(8)
Remove grounding equipment.
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