TO 00-25-172 - Robins Air Force Base

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TO 00-25-172 In freezing weather, touching a metal surface with bare skin can cause the skin to stick to the cold surface, resulting in a painful injury. One way to avoid this is to touch the aircraft grounding/bonding connector with a warm metal object, such as a coin held in the bare hand. d. Personnel in the FSSZ shall not wear footwear with exposed spark-producing nails or metal plates on the walking surfaces. Any type of clothing may be worn as outer garments when fuel servicing aircraft with high flash point fuels (JP-5, JP-8, JP-10, JET A, JET A-1, TS-1 below 82 °F, or diesel). However, when fuel servicing aircraft with low flash point fuels (JP-4, JET B, AVGAS, or MOGAS), clothing containing more than 65% of any combination or mixture of nylon, rayon, wool or polyester shall not be worn as outer garments. Do not put on or remove outer garments in the fuel servicing safety zone. Matches or lighters will not be handled or removed from pockets during servicing operations. If flight crew members wearing Nomex and/or other authorized flight clothing are required to assist in aircraft fuel servicing operations, they will first assure that they are at the same potential as the aircraft. This is done by bare hand contact with the aircraft grounding/bonding connector, an unpainted aircraft surface, or a static ground before removing the fuel filler cap or while inserting the bonding jack on the fuel nozzle. These requirements also apply to draining aircraft fuel sumps. e. Laptop computers (including wireless versions), portable digital assistants, tablets and e-readers (e.g. I- Pads), pagers, cell phones, stray voltage detection devices, radios, night vision goggles, flashlights (six volts or less), cameras (including digital cameras), and Pelican Advanced Area Lighting Group (AALG) can be operated within the FSSZ. Camcorders may also be used in the FSSZ as long as the cathode ray tube viewfinder (eyepiece) is de-energized. However, no battery changes nor charging operations are allowed within the FSSZ. Only night vision goggles and intrinsically safe (Paragraph 1.2.26) devices can be operated within 10 feet of aircraft fuel vent outlets, open port refueling receptacles, fuel spills, or fuel trucks being filled (bottom loading or from aircraft defueling). All other devices e.g., cell phones, must be turned off (not placed on standby) when within this ten foot zone. Earmark Series 4C headsets, Trulink wireless intercom and cordless Aircraft Wireless Intercom Systems (AWIS) constructed by Communications - Applied Technology may be used anywhere within the FSSZ. Centralized Aircraft Support Systems (CASS) can remain energized in the FSSZ, but electrical switches must not be operated. f. If hot brakes are suspected, an aircraft hot brake check will be performed prior to fuel servicing. Temperature can be measured by temperature sensitive substances (temp sticks) or by infrared heat sensors. Fuel servicing shall not start until the brake temperature is below 750 °F, except for the A-10, C-5, C-17, C-130, C-141, E-4, F-15, and HH-60 aircraft. These aircraft are exempted because of the location, direction, and distance of the fuel vent outlets from the aircraft landing gear brake assemblies. The F-22 can be refueled with brake temperatures exceeding 750 °F if an adequate shield is used to keep vented fuel from reaching the left main landing gear brake assembly. g. If glowing or crackling fuel is noted when servicing aircraft, immediately cease all servicing operations. Report the incident to the servicing supervisor and to the fire department. After the incident is investigated, recheck grounding connections, and resume flow at a slower rate and pressure. h. Operating external power units will be parked outside the fuel servicing safety zone which is at least 50 feet from the pressurized fuel carrying servicing components and at least 25 feet from aircraft fuel vent outlets. The operating units will be positioned upwind from the fuel servicing operation when possible. The aircraft settles as fuel is taken on board. Ensure adequate clearance exists between the aircraft and maintenance stands or equipment positioned under any portion of the aircraft. NOTE Fiberglass is a non-conductive material (insulator) that does not dissipate or transfer electrostatic charges when either grounded or bonded to conductive objects. Therefore, the grounding or bonding of fiberglass ladders or work stands is not required. i. Bond conductive aircraft maintenance or work stands to the aircraft when using the stand to access the aircraft fuel servicing receptacles or support the fuel hose during servicing operations. Other maintenance or 3-6
TO 00-25-172 work stands, not used for fuel servicing, do not require either bonding or grounding. Ladders used for overwing refueling do not require bonding to the aircraft. j. Defective tank vent valves. k. Vehicle air pressure below 90 psi. l. Vehicle or support equipment engine backfires. If any tank appears to fill abnormally slow or not at all, then stop all refueling immediately and investigate to determine what is causing the problem. The cause could be a blocked vent line or failed refuel shutoff valve or other malfunction. j. On aircraft equipped with individual fuel tank quantity gauges, monitor each gauge during refueling operation. k. Fuel servicing hoses can be routed under aircraft, but avoid placing them near running engines and Auxiliary Power Units (APU). If possible, avoid placing hoses forward of the aircraft landing gear, in case the aircraft needs to be towed away for an emergency. For concurrent servicing operations, place hoses to minimize damage from other servicing equipment. l. Ensure that the aircraft is properly chocked. Use MIL- PRF-32058 or equivalent chocks. Chocks can be locally manufactured and employed. Locally manufactured chocks can be made of wood per AF drawing 42D6594 and painted yellow. The drawing is available from local AF Engineering and Technical Service (AFETS) representative, Joint Engineering Data Management Information and Control System (JEDMICS), or from HQ AFMC/SES. 3.10 SERVICING VEHICLES AND SUPPORT EQUIPMENT (SE). Do not service aircraft if any of the following safety discrepancies exist: a. Defective servicing hose. b. Fuel leaks. c. Defective or bare electrical wiring. d. Defective throttle or PTO Interlock System. e. Defective hand or foot brakes. f. Defective exhaust system. g. Aircraft or support equipment engine(s) is (are) overheated. h. Defective or inoperative emergency shutoff switch. i. Defective shift linkage or gear shift indicator. m. Fuel filter pressure exceeds maximum authorized differential pressure (coalescing; 15 psig, absorption of 15 psig). n. Defective deadman control valve. o. Defective nozzle. 3.11 FIRE PROTECTION. Fire protection is essential during aircraft servicing operations. The level of fire protection is based on the hazard involved in the operation being conducted. Personnel involved in servicing operations shall be trained in the operation of fire extinguishers and installed fire suppression equipment systems. In the event of a fire or fuel leak, servicing personnel are the first line of defense in protecting Air Force assets involved when fire department personnel are not available at the incident scene. Servicing personnel must immediately notify the fire department and use available fire extinguishers (or other equipment) until the fire department arrives on scene. NOTE Avoid placing fire extinguishers within 25 feet of the aircraft fuel vent outlet(s) during fuel servicing operations. Refer to the aircraft specific technical order for placement during fuel servicing. a. Fire extinguishers placement. The 150-pound, Halon 1211 fire extinguisher is the primary flight line fire extinguisher. At other service’s bases, and at joint bases, where another service is the lead, that service’s fire extinguisher requirements will be followed. Fire extinguishers should be placed where they present optimal aircraft and personnel safety while the aircraft is parked and during taxiing operations. The preferred placement will be near the aircraft wing tip, consider pilot view, wing tip clearance while parked, wing tip clearance during taxi, and ease of access to most probable fire areas when determining placement of the fire bottle. Fire extinguisher requirements are outlined where appropriate in applicable paragraphs of this technical order and are summarized in Table 3-1. b. Installed Fire Suppression Systems and Vehicle Standby. Certain aircraft servicing operations present increased hazards and require a greater level of fire protection awareness and standby posturing. Hot refueling operations require modular or installed fire suppression equipment employing AFFF. When such systems are not available, fire protection is provided by standby fire fighting vehicles and crews. Refer to ap- Change 1 3-7
Page 1 and 2: TO 00-25-172 TECHNICAL MANUAL GROUN
Page 3 and 4: TO 00-25-172 TABLE OF CONTENTS Chap
Page 5 and 6: TO 00-25-172 TABLE OF CONTENTS - CO
Page 7 and 8: TO 00-25-172 FOREWORD 1 PURPOSE. Th
Page 9: TO 00-25-172 List of Related Public
Page 13 and 14: TO 00-25-172 CHAPTER 1 INTRODUCTION
Page 15 and 16: TO 00-25-172 mishap (accident or in
Page 17 and 18: TO 00-25-172 CHAPTER 2 ELECTROSTATI
Page 19 and 20: TO 00-25-172 (2) Undergoing electro
Page 21: TO 00-25-172 loss of continuity. Th
Page 24 and 25: TO 00-25-172 This supervisor shall
Page 26 and 27: TO 00-25-172 Figure 3-2. Fighter Re
Page 30 and 31: TO 00-25-172 plicable information i
Page 32 and 33: TO 00-25-172 Table 3-1. Fire Protec
Page 34 and 35: TO 00-25-172 Table 3-1. Fire Protec
Page 37 and 38: TO 00-25-172 CHAPTER 4 FLIGHT LINE
Page 39 and 40: TO 00-25-172 for under-wing fuel se
Page 41 and 42: TO 00-25-172 Table 4-1. Approved/Au
Page 43 and 44: TO 00-25-172 plicable to aircraft d
Page 45 and 46: TO 00-25-172 the area. During servi
Page 47 and 48: TO 00-25-172 Figure 4-1. Hardened/P
Page 49 and 50: TO 00-25-172 c. Cargo aircraft load
Page 51 and 52: TO 00-25-172 equipment. The followi
Page 53 and 54: TO 00-25-172 shoes which fit closel
Page 55 and 56: TO 00-25-172 • Do not direct gase
Page 57 and 58: TO 00-25-172 4.24 HYDRAZINE HANDLIN
Page 59 and 60: TO 00-25-172 vice some aircraft, e.
Page 61 and 62: TO 00-25-172 CHAPTER 5 CONCURRENT S
Page 63 and 64: TO 00-25-172 (20) Prior to beginnin
Page 65 and 66: TO 00-25-172 poppet valve in the op
Page 67 and 68: TO 00-25-172 stitute of Petroleum (
Page 69: TO 00-25-172 Table 5-1. Concurrent
Page 72 and 73: TO 00-25-172 craft -6 TO inspection
Page 74 and 75: TO 00-25-172 Table 6-1. Hot Refueli
Page 76 and 77: TO 00-25-172 Table 6-1. Cla-Val Mod
Page 78 and 79:
TO 00-25-172 6.10 EMERGENCY PROCEDU
Page 80 and 81:
TO 00-25-172 Table 6-2. Provider EC
Page 82:
TO 00-25-172 drums at a fuel system
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TO 00-25-172 - Robins Air Force Base

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