(2)
Access Panels
6540 Refueling Station Access Door
C. Procedure
S 434-026
(1)
Install the new valve position light in the instrument panel.
(2)
Install the lockwasher and nut on the valve position light.
(3)
Install the electrical wires on the valve position light assembly.
S 414-042
(4)
Install the rubber cover over the screws that connect the wires to the valve position light.
S 434-027
S 764-028
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A
737-300/400/500MAINTENANCE MANUAL
(5) S 414-030Install the refuel instrument panel. (a) Put the refuel instrument panel in its correct position between the support members for the leading edge. (b) Put the screws in the refuel instrument panel.
(6) S 414-044Install the bonding jumpers to the refuel instrument panel.
(7) S 414-043Do a check of the electrical bond between the instrument panel and the airplane structure (SWPM 20-20-00). (a) The resistance must not be more than 0.001 ohm.
(8) S 434-029Connect the electrical plug to the fuel quantity indicator.
(9) S 414-031Install the refuel quantity indicators in the refuel instrument panel.
S 434-033
(10)
Install the pins and the washers that attach the linkages to the access door.
S 864-034
(11)
Remove DO-NOT-CLOSE tags and close these circuit breakers:
(a) P6 Main Power Distribution Panel 1) QTY (for the fuel quantity indicators) 2) EP GND FUELING (for ground refueling panel)
S 714-045
(12)
Do a "Push to Test" check of the light assembly.
S 414-035
(13)
Close the access door (6540) for the refuel station (the P15 panel).
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A 737-300/400/500MAINTENANCE MANUAL
FUELING CHECK VALVE - REMOVAL/INSTALLATION
__________________________________________
1. General
_______
A. This procedure has two tasks:
(1)
A task to remove the fueling check valve
(2)
A task to install the fueling check valve.
TASK 28-21-32-004-001
2. Fueling Check Valve Removal (Fig. 401)
___________________________
A. References
(1)
AMM 28-21-21/401, Fueling Receptacle Manifold
(2)
AMM 28-23-00/201, Defueling
B. Access
(1)
Location Zone
402 Right Wing Leading Edge
(2)
Access Panels
6540 Refueling Station Access Door
C. Procedure
S 654-002
WARNING: CAREFULLY DO ALL OF THE SAFETY PROCEDURES TO DEFUEL THE FUEL
_______ TANK. AN EXPLOSION, INJURY TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
(1)
Defuel the applicable fuel tank (AMM 28-23-00/201).
S 864-003
(2)
Make sure the manual defueling valve is closed.
S 014-004
(3)
Remove the fueling receptacle manifold (AMM 28-21-21/401).
S 494-005
(4)
Put a container below the check valve to catch fuel.
(5)
Remove the screws that attach the check valve.
(6)
Remove the check valve.
S 034-006
S 024-007
TASK 28-21-32-404-008
3. Fueling Check Valve Installation
________________________________
A. Consumable Materials
(1) B00316 - Aliphatic Naphtha TT-N-95
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