R  (27) Do not use the microphone on the High Frequency (HF) transmitter during refuel/defuel operations. 
R  (28) Immediately flush away with water, or remove, fuel leakage. 
R  (29) Obey the safety distances for 60 m (196.85 ft.) from aircraft:
 (a) Stop the fuel tanker 60 m (196.85 ft.) from the aircraft nose while the weather radar operates. Do not operate the fuel tanker/pump unit until you stop operation of the weather radar. 
R  (30) Obey the safety distances for 30 m (98.42 ft.) from aircraft:
 (a) Aircraft must not be refueled/defueled less than 30 m (98.42 ft.) from the radar or HF radio equipment under test in the aircraft or ground installation. 
R  (31) Obey the safety distances for 15 m (49.21 ft.) from aircraft:
 (a) Put "NO SMOKING" warning notices around the work area not less than 15 m (49.21 ft.) from the refuel/defuel equipment and aircraft and aircraft tank vents.
 (b) Do not connect electrical equipment to a power source less than 15 m (49.21 ft.) away, unless the power source has spark-proof connectors. 
R R R R R R R R  (c) Refuelling/defuelling equipment and aircraft fuel-tank vents must not be nearer than 15 m (49.21 ft.) to a building during refuelling/defuelling. Make sure the position of the refuelling/defuelling area cannot let this occur. Because of the design of some buildings, you can do refuelling/defuelling operations nearer than 15 m (49.21 ft.). Examples of this type of building are nose loaders and aerobridges. 
R  (32) Obey the safety distances for 6 m (19.68 ft.) from aircraft: (Ref. Fig. 301/TASK 12-11-28-991-001)
 (a) Ground power units (GPU's) can be operated when they are put not less than 6 m (19.68 ft.) from: - the aircraft filling and venting points - the hydrant valves and other refuel/defuel equipment when in use.

 (b)
 Photographic flash bulbs or electronic flash equipment must not be used less than 6 m (19.68 ft.) from:

 -the refuel/defuel equipment
 -any filling or venting points of the aircraft.

 (c)
 The refuel/defuel zone must be regarded as extending not less than 6 m (19.68 ft.) radially from:

 -
the filling and venting points on the aircraft

 -
the refuel/defuel equipment

 -
the hydrant valve in use for refueling (when applicable).

 When defueling is taking place, the vehicle will be venting and will generate a zone radiating from the tank vent.
 (d) Do not operate the items that follow inside the 6 m (19.68 ft.)
 zone: R - radios
 -radio telephones (cell phones or mobile phones)
 -pagers
 -switches on lighting systems of other than intrinsically safe types.
 (e) Personnel in the refuel/defuel zone and those employed in refueling/defueling must not:
 -carry matches or other means of ignition
 -put on foot-wear with exposed iron or steel studs, nails or tips.

 TASK 12-11-28-650-002

 Refuel/Defuel Safety Procedures for use in the Hangar WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
 -
THE FLIGHT CONTROLS

 -
THE FLIGHT CONTROL SURFACES

 -
THE LANDING GEAR AND THE RELATED DOORS

 -COMPONENTS THAT MOVE. WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
 WARNING : DO NOT SPILL FUEL ON THE ENGINES OR THE BRAKES. IF YOU SPILL FUEL ON
_______ ENGINES OR BRAKES THAT ARE HOT, IT CAN CAUSE FIRES.
 1. Reason for the Job__________________ Self Explanatory
 2. Job Set-up Information______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific safety barriers No specific warning notices
 3. Job Set-up__________ _________
4. Procedure
 Subtask 12-11-28-650-051
 A. Safety Precautions
 WARNING : OBEY THE FUEL SAFETY PROCEDURES.

_______
 (1)
 Open all the hangar doors. Do not close the hangar doors until you have completed the refuel/defuel procedure.

 (2)
 Make the limits of the safety area the limits of the hangar.

 1EFF : ALL 1 12-11-28Page 307 1 1 Nov 01/04R 1 1 1CES 1

 (3)
 Put the safety barriers and the "NO SMOKING" warning notices at all the hangar entrances.

 (4)
 To be prepared to tow the aircraft out of the hangar for an emergency, do these steps:
　
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