B.
References
(1)
AMM 28-11-00/201, Fuel Tank
(2)
AMM 28-26-00/201, Defuel
C.
Access
(1)
Location Zones
500 Left Wing
600 Right Wing
(2)
Access Panels 541AB thru 553KB Fuel Tank Access Door, Left 641AB thru 653KB Fuel Tank Access Door, Right
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D. Procedure S 287-181
(1) Use the microbial growth test results to find out which fuel tank may have microbial growth contamination.
S 657-178 WARNING: CAREFULLY DO ALL THE SAFETY PROCEDURES TO DEFUEL AND GO INTO
_______ THE FUEL TANKS. INJURY TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR IF YOU DO NOT OBEY THE SAFETY PROCEDURES.
(2)
Defuel the applicable fuel tank (AMM 28-26-00/201).
S 867-179
(3)
Purge and prepare to go into the fuel tank (AMM 28-11-00/201). S 217-030
(4)
Do a check of these areas for microbial growth: NOTE: The material usually has a brown color or a black color.
____
(a)
The bottom of the tank
(b)
The top surfaces of the tubing
(c)
The limber holes and the drain tubes for blockage.
S 167-180 CAUTION: SCHEDULE THE TASK TO REMOVE THE MICROBES AND FUNGUS FROM THE
_______ TANKS AS SOON AS POSSIBLE. THE MICROBES AND FUNGUS CAN CAUSE CORROSION TO THE FUEL TANK STRUCTURE AND COMPONENTS.
(5) If you find microbial growth, schedule a task to remove the contamination.
NOTE: Schedule the cleaning procedure as soon as possible.
____
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S 167-047
(6) Do this task to remove any microbial growth that you find: Fuel Tank Cleaning, Microbial Growth, and Corrosion Removal.
TASK 28-11-00-107-048
4. Apply the Biocide to the Fuel Tanks___________________________________
A. General
(1)
Use a biocide as part of your standard preventive maintenance methods for microbial contamination (CPM 20-62-00, Part I). A biocide additive will stop future microbial growth. If you find microbial contamination, you must first mechanically remove the contamination from the tank, and then use a biocide additive to prevent future growth.
B.
Equipment
(1)
Cart - Hydrant, Portable, Biocide Injection (or equivalent) Model 800 (Manufactured by Hammonds) Mil-International Inc Vendor Code 3Z256
C.
Consumable Materials
(1)
Biocide - Use one of these fuel additives:
(a)
G00452 - Biobor JF, Biocide
(b)
G02347 - Kathon FP 1.5 biocide, Rohm and Haas Company, Philadelphia, PA, (215) 592-3000
D.
References
(1)
AMM 12-11-01/301, Fuel Servicing
(2)
AMM 28-26-00/201, Defuel
(3)
CPM 20-62-00
(4)
Location Zones
221 Center Section Fuel Tank
305 Left Fuel Tank
405 Right Fuel Tank
(5)
Location Zones
218 Aft Cargo Cargo Compartment
221 Center Section Fuel Tank
305 Left Fuel Tank
405 Right Fuel Tank
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