Float-Operated Shutoff Valve Installation

Figure 401

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 S 014-017
 (5)  
Go into the left main fuel tank.

 S 014-020

 (6)  
Find the float-operated shutoff valve.

 S 034-005

 (7)  
Remove the screws, washers and nuts that attach the float-operated shutoff valve to the fuel support bracket.

 S 034-006
 CAUTION:_______DO NOT DISCARD THE LOCKWIRE IN THE FUEL TANK. LOOSE LOCKWIRE THAT REMAINS IN THE FUEL TANK CAN BLOCK THE PUMPS AND PREVENT SUMPING.
 (8)  
Cut the lockwire that holds the nut to the fuel support bracket.

 S 024-007

 (9)  
Loosen the nut to disconnect the float-operated shutoff valve from the tubing assembly.

 S 024-008

 (10)
 Remove the float-operated shutoff valve.

 TASK 28-22-10-404-009
 3.  Install the Float-Operated Shutoff Valve (Fig. 401)________________________________________
 A. References
 (1)  
AMM 12-11-01/301, Fuel Tank Pressure Fueling

 (2)  
AMM 20-10-21/601, Electrical Bonding

 (3)  
AMM 28-11-00/201, Fuel Tanks

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

 B.
Access

 (1)  
Location Zone
 541 Main Tank - Rib No. 5 to No. 17 (Left)

 (2)  
Access Panel
 541AB Main Tank Access Door (Left)

 C.
Procedure

 S 944-018
 WARNING: OBEY THE FUEL TANK ENTRY PRECAUTIONS (AMM 28-11-00/201).
_______ FAILURE TO OBEY THE FUEL TANK ENTRY PRECAUTIONS COULD CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1) Obey the fuel tank entry precautions (AMM 28-11-00/201).
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 (2)  S 014-019Go into the fuel tank.
 (3)  S 424-010Tighten the nut to connect the float-operated shutoff valve to the tubing assembly.
 (4)  S 424-011Install the screws, washers, and nuts to attach the bonding jumper and the float-operated shutoff valve.
　
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