B. Access
(1)
Location Zones
305 Left Wing Fuel Tank
(2)
Access Panels
No. 1L Fuel Tank Access Door
C. Procedure
S 654-002
WARNING: CAREFULLY DO ALL THE SAFETY PROCEDURES TO DEFUEL THE TANK AND
_______ TO GO INTO IT. INJURY TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR IF YOU DO NOT FOLLOW THE SAFETY PROCEDURES.
(1)
Prepare the applicable fuel tank for entry (AMM 28-10-00/201).
S 014-003
(2)
Remove the access panel No. 1L to get access to the check valve (AMM 28-11-11/401).
S 024-011
(3)
Remove the lockwire from the check valve.
(4)
Remove the check valve from the pressure fueling manifold.
S 024-004
TASK 28-22-17-404-005
3. Pressure Fueling Manifold Check Valve Installation (Fig. 401)
__________________________________________________
A. References
(1) AMM 28-11-11/401, Wing Fuel Tank Access Panels
B. Access
(1)
Location Zones
305 Left Wing Fuel Tank
(2)
Access Panels
No. 1L Fuel Tank Access Door
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
NO. 1
Fueling Manifold Check Valve
Figure 401
F99491
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
C. Procedure
S 424-006
(1)
Install the new packing on the check valve.
S 424-012
(2)
Install the check valve on the pressure fueling manifold.
S 424-010
(3)
Install lockwire on the check valve.
S 214-007
(4)
Make sure there is no color identification tape on the components in the fuel tank.
S 214-008
(5)
Make sure the tank is clean.
(6)
Install the access panel No. 1L (AMM 28-11-11/401).
S 414-009
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
FUEL CROSSFEED VALVE - MAINTENANCE PRACTICES
____________________________________________
TASK 28-22-21-602-001
1. Apply Grease to the Fuel Crossfeed Valve Actuator (Fig. 201)_________________________________________________
A. Consumable Materials
(1) D00173 - Grease, MIL-G-27617, Type I
B. Procedure
S 642-002
(1) If you operate the airplane with the right main landing gear inner door removed, apply grease to the fuel crossfeed valve actuator shaft (View B).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
WING
REAR SPAR
ENGINE
NO. 2
VALVE
SEE B POSITION
INDICATOR
CROSSFEED
VALVE
CROSSFEED VALVE
INBD
SEE A CROSSFEED VALVE
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