28-11-00
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757 MAINTENANCE MANUAL
 (6)  Steam Nozzle - Trigger T-Jet, Spraying Systems Co., Bellwood, Illinois or equivalent
 NOTE: It is recommended that the teflon
____ bushing supplied with this nozzle be replaced with a locally made brass bushing. The nozzle is made to have a source of saturated steam and a source of cold water attached. Each supply is adjusted by a set of valves to keep a spray of approximately 100 psi, with a temperature of not more than 150°F, 6 inches from the nozzle end.
 C. References
 (1)  
AMM 12-11-01/301, Fuel Tank - Pressure Fueling

 (2)  
AMM 28-11-00/201, Fuel Tanks

 (3)  
AMM 28-11-00/801, Fuel Tanks

 (4)  
AMM 28-11-01/401, Main Tank Access Door

 (5)  
AMM 28-11-02/401, Center Tank Access Door

 (6)  
AMM 28-11-03/401, Surge Tank Access Door

 (7)  
AMM 28-11-05/401, Fuel Sump Drain Valve

 (8)  
AMM 28-26-00/201, Defueling

 D.
Access

 (1)  
Location Zones 133 Wing Center Section (Left) 134 Wing Center Section (Right) 531 Center Wing Tank (Left) 541 Main Tank - Rib No. 5 to No. 17 (Left) 542 Main Tank - Rib No. 17 to No. 21 (Left) 543 Surge Tank - Rib No. 21 to No. 23 (Left) 631 Center Wing Tank (Right) 641 Main Tank - Rib No. 5 to No. 17 (Right) 642 Main Tank - Rib No. 17 to No. 21 (Right) 643 Surge Tank - Rib No. 21 to No. 23 (Right)

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 28-11-00
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757 MAINTENANCE MANUAL
 E. Procedure
 S 657-025
 (1)  
Defuel the applicable fuel tank (AMM 28-26-00/201).

 S 657-026

 (2)  
Drain and purge the fuel tank for entry (AMM 28-11-00/201).

 S 017-027

 (3)  
Remove all the main, center or surge tank access doors in the area to be cleaned (AMM 28-11-01/401, AMM 28-11-02/401, AMM 28-11-03/401).

 S 017-028

 (4)  
Remove the drain valve of the fuel sump (AMM 28-11-05/401).

 S 017-029

 (5)  
Remove the fuel tank equipment, support brackets, and substructure as necessary for access.

 S 167-030

 (6)  
Start to clean at the outboard end of the fuel tank, and work to the tank access door and the openings of the drain valves.
　
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