CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(3) Install the locks on the leading edge flaps (AMM 27-81-00/201).
S 654-005
WARNING: CAREFULLY DO ALL THE SAFETY PROCEDURES TO DEFUEL AND TO GO INTO
_______ THE FUEL TANKS. INJURY TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR IF YOU DO NOT FOLLOW THE SAFETY PROCEDURES.
(4)
Defuel the No. 1 tank and prepare to go into it (AMM 28-23-00/201, AMM 28-10-00/201).
S 014-006
(5)
Remove the No. 1 access panel (7202) for the No. 1 tank (AMM 28-11-11/401).
S 034-007
(6)
At the front spar, disconnect the electrical connector from the shutoff valve.
S 034-008
(7)
Disconnect the bonding jumper from the shutoff valve.
S 034-009
(8)
Remove the nut and the washer that attach the valve to the front spar.
S 014-010
(9)
Go into the No. 1 tank.
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S 024-011
(10) Remove the shutoff valve.
(a)
Disconnect the fuel lines from the shutoff valve and remove it.
(b)
Discard the O-ring.
TASK 28-15-21-404-012
3. Fuel Scavenge Shutoff Valve Installation (Fig. 401)________________________________________
A. Special Tools and Equipment
(1) T477W - Bonding Meter, Avtron Manufacturing Co., Cleveland, OH
B. Consumable Materials
(1) B00316 - Aliphatic Naphtha TT-N-95
C. References
(1)
SWPM 20-20-00, Standard Wiring Practices Manual
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 27-81-00/201, Leading Edge Flaps
(4)
AMM 28-11-11/401, Wing Tank Access Panels
(5)
AMM 28-23-00/201, Defueling
D. Access
(1)
Location Zone
303 Left Wing Leading Edge
305 Left Fuel Tank
(2)
Access Panels
7202 Fuel Tank Access Door
E. Procedure
S 114-013
(1) Clean these surfaces with the aliphatic naphtha and dry them with a lintfree cloth.
(a)
The O-ring groove in the body of the shutoff valve
(b)
The mating surface for the shutoff valve in the No. 1 tank.
S 434-014
(2)
Install a new O-ring, lightly lubricated with fuel, in the groove in the shutoff valve.
S 424-015
(3)
Put the shutoff valve through the hole in the front spar and attach it with the washer and the nut.
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(4) S 434-016Connect the fuel lines to the shutoff valve.
(5) S 434-017Connect the bonding jumper to the shutoff valve.
(6) S 434-018Connect the electrical connector to the shutoff valve.
(7) S 284-019Do a check of the electrical bond between the shutoff valve and the airplane structure (SWPM 20-20-00). (a) The resistance must not be larger than .0025 ohms.
(8) S 414-020Install the No. 1 access panel (7202) that you removed to get access to the shutoff valve (AMM 28-11-11/401).
S 094-021
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ LE FLAP SAFETY LOCKS. THE LE FLAPS CAN MOVE QUICKLY IF YOU DO NOT REMOVE THE SAFETY LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
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