(b)
Remove the small clearance panel from bottom wing skin below the removal valve handle (Fig. 401, detail B).
F. Get Access to the Aft Fuel Boost Pumps in the Wing Tanks
S 014-008
(1)
To get access to the aft boost pumps in the No. 1 tank, remove the access panel, No. 7203, in the bottom wing skin (AMM 57-30-11/401).
S 014-009
(2)
To get access to the aft boost pump in the No. 2 tank, remove the access panel, No. 7403, in the bottom wing skin (AMM 57-30-11/401).
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A
737-300/400/500MAINTENANCE MANUAL
G. Get Access to the Fuel Boost Pumps in the Center Tank
S 014-010
(1)
To get access to the left (LH) fuel boost pump in the center tank, remove the access panel, No. 7201, in the bottom wing skin (AMM 57-30-11/401).
S 014-011
(2)
To get access to the right (RH) fuel boost pump in the center tank, remove the access panel, No. 7401, in the bottom wing skin (AMM 57-30-11/401).
H. Removal Procedure
S 864-013
(1) Manually close the removal valve for the fuel boost pump (Fig. 401).
(a) If you are scheduled to remove the fuel boost pump for the center tank, also close the removal valve for the opposite fuel boost pump for the center tank.
S 034-014
(2)
Disconnect the electrical plug from the fuel boost pump.
S 684-015
(3)
With a container below the drain valve, open the drain valve and drain the fuel from the fuel boost pump.
S 034-016
(4)
Remove the bolts from the fuel boost pump.
(a)
Hold the fuel boost pump up.
(b)
Remove the bottom bolt from each clamp that attaches the fuel boost pump.
S 014-017
(5) Move the clamps to let you remove the fuel boost pump.
(a) Move the clamps down.
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A 737-300/400/500MAINTENANCE MANUAL
SEE B 1
1 RIGHT WING BOOST PUMPS SHOWN,
LEFT WING PUMPS OPPOSITE
ENGINE
NO.2
WING LOWER SURFACE BOOST PUMP HOUSING
SHOULDER BOLT SEE A 1
ACCESS OPENING
MOUNTING CLAMP
FWD FUEL BOOST PUMP (TYPICAL) DRAIN VALVE PUMP REMOVAL VALVE HANDLE SHOLDER BOLT FRONT WING
INBD
A
FUEL BOOST PUMP (TYPICAL)
FWD INBD
DRAIN VALVE SPAR
MOUNTING
CLAMP
LOWER MOUNTING BOLT
PUMP REMOVAL VALVE HANDLE
WARNING FLAG CLEARANCE PANEL
B
Fuel Boost Pump Installation Figure 401
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A 737-300/400/500MAINTENANCE MANUAL
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