S 716-026
(3)
Do these steps for each fuel boost pump:
NOTE:____Do this test for only one pump at a time. This will make sure that the correct wires are connected to each pump.
(a)
Set the switch for the fuel boost pump to ON.
(b)
Make sure the applicable low pressure light goes off.
NOTE: The low pressure lights for the center fuel boost
____ pumps do not come on when the switches of these pumps are in the OFF position. For the center pumps, make sure the low pressure light comes on for a short time and then goes off (when you set the switch in the on position).
(c) Set the switch for the fuel boost pump back to OFF.
G. Put the Airplane Back to Its Usual Condition
S 416-041
(1) Install the access panels for the fuel boost pumps
(AMM 57-30-11/401).
S 086-027
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.
(2) Remove the flap locks from the leading edge flaps if you installed them (AMM 27-81-00/201).
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28-22-00
ALL ú ú 01 Page 608 ú Jul 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 866-028
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LE
_______ AND TE FLAPS AND FLAP DRIVE MECHANISMS. THE LEADING EDGE AND THE TRAILING EDGE CONTROL SURFACES CAN EXTEND AND RETRACT QUICKLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(3) Retract the leading edge flaps if they are extended (AMM 27-81-00/201).
TASK 28-22-00-216-044
3. Fuel Boost Pump Wiring in Conduit, No. 2 Tank - Inspection__________________________________________________________
A. References
(1)
AMM 24-22-00/201, Manual Control
(2)
AMM 27-81-00/201, Leading Edge Flaps
(3)
AMM 57-30-11/401, Boost Pump Access Door
(4)
SWPM 20-10-11
(5)
SWPM 20-20-00
(6)
SWPM 20-30-12
(7)
SWPM 20-61-11
(8)
SB 28-1120
B. Access
(1)
Location Zones
403 Right Left Wing Inboard Leading Edge
405 Right Left Fuel Tank
(2)
Access Panels
7401 Boost Pump Access Door
7403 Boost Pump Access Door
C. Wiring Removal Procedure
S 866-045
(1)
Set the switches for the fuel boost pumps (on the pilots overhead panel) to the OFF position.
S 866-046
(2)
Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) P6 Main Power Distribution Panel
1) BOOST PUMP TANK 1 FWD
2) BOOST PUMP TANK 2 FWD
3) BOOST PUMP TANK 1 AFT
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28-22-00
ú ALL ú
ú ú ú 02.101 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. Page 609Jul 12/02
A 737-300/400/500MAINTENANCE MANUAL
ú 4) BOOST PUMP TANK 2 AFT 5) BOOST PUMP CTR TANK LEFT 6) BOOST PUMP CTR TANK RIGHT
S 866-047
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LE
_______ AND TE FLAPS AND FLAP DRIVE MECHANISMS. THE LEADING EDGE AND THE TRAILING EDGE CONTROL SURFACES CAN EXTEND AND RETRACT QUICKLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(3) Extend the leading edge flaps (AMM 27-81-00/201).
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO
_______ INSTALL THE LE FLAP SAFETY LOCKS. THE LE FLAPS CAN MOVE QUICKLY IF YOU DO NOT INSTALL THE SAFETY LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(a) Install the flap locks on the leading edge flaps (AMM 27-81-00/201).
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