(1)
Location Zone
101 Control Cabin, LH
216 Main Wheel Well, LH
102 Control Cabin, RH
217 Main Wheel Well, RH
C.
Reset the Hydraulic Fuse (Standby System)
S 864-016
(1)
Make sure the flap control lever is in the FLAP UP detent.
S 864-017
(2)
Do this task to depressurize the standby hydraulic system: "Leading Edge Flaps and Slats Hydraulic Systems A, B and Standby Depressurization" (Ref 27-81-00/201).
NOTE: The fuse will reset (gets open) automatically when
____ hydraulic pressure on both sides of the fuse is equalized within 5 psi for ten seconds.
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A
737-300/400/500MAINTENANCE MANUAL
LEADING EDGE FLAP FLOW LIMITING VALVE - REMOVAL/INSTALLATION
____________________________________________________________
1. General
_______
A. There are three tasks in this procedure. There is a task for the removal and a task for the installation of the leading edge flap flow-limiting valve (referred to as the flow-limiting valve). The third task is a test of the flow-limiting valve.
TASK 27-81-71-004-001
2. Leading Edge Flap Flow Limiting Valve Removal
_____________________________________________
A. References
(1)
27-81-00/201, Leading Edge Flap and Slat Control System
B.
Access
(1)
Location Zone
216 Main Wheel Well, LH
C.
Procedure
S 864-002
(1)
Release the pressure from the hydraulic systems (Ref 27-81-00/201).
S 034-004
(2)
Disconnect the inlet and outlet hydraulic lines from the flow-limiting valve.
S 024-003
(3)
Remove the flow-limiting valve (Fig. 401).##
NOTE: If both the flow-limiting valve and the hydraulic fuse are
____ being removed, make a note of their locations before removing them.
TASK 27-81-71-404-005
3. Leading Edge Flap Flow-Limiting Valve Installation
__________________________________________________
A. Consumable Materials
(1)
D00196 Fluid - Hydraulic, BMS 3-11
(2)
D00567 Lubricant - Skydrol Assembly Lube
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A
737-300/400/500
MAINTENANCE MANUAL
SEE A
(REF) HYDRAULIC RESERVOIR
LEADING EDGE FLAP VALVE FLOW-LIMITING
LEADING EDGE FLAP AND SLAT HYDRAULIC FUSE (REF)
FWD HYDRAULIC PUMP (REF)
A STANDBY SYSTEM
Leading Edge Flap Flow Limiting Valve
Figure 401
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F40698
A
737-300/400/500MAINTENANCE MANUAL
B. References
(1)
12-12-00/301, Hydraulic Reservoir
C.
Access
(1)
Location Zone
216 Main Wheel Well, LH
D.
Procedure
S 034-024
(1)
Remove the reducer from each end of the flow-limiting valve.
S 644-026
(2)
Lubricate the O-rings with hydraulic fluid or the assembly lube.
S 434-027
(3)
Install the O-rings.
S 864-022
(4)
Put the flow-limiting valve in its position.
(a)
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