WHEEL WELL ACCUMULATOR AFT BULKHEAD SEE A
STA 727
BL 0
VIEW IN THE AFT DIRECTION
PRESSURE
RELIEF VALVE
CHARGING VALVE
PRESSURE GAGE
HYDRAULIC
LINE
FWD INBD
A
Pressure Relief Valve Installation Figure 401
B12697
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A
737-300/400/500MAINTENANCE MANUAL
BRAKE HYDRAULIC FUSES - REMOVAL/INSTALLATION
____________________________________________
1. General_______
A. This procedure has one task. It is to replace the volumetric hydraulic fuses for the brakes.. There are two fuses for the left normal brake hydraulic system and two fuses for the right normal hydraulic system. There is one fuse for the left alternate brake hydraulic system and one fuse for the right brake alternate system. The fuses are all located in the airplane wheel well (Ref Fig. 401).
B. Bleed the brakes after after fuse replacement per instructions in Hydraulic Brake System - Maintenance Practices.
TASK 32-41-72-004-001
2. Volumetric Hydraulic Fuse Replacement_____________________________________
A. General
(1)
For this procedure the volumetric hydraulic fuses will be referred to as the fuses.
B.
References
(1)
AMM 20-50-11/201, Standard Torque Values
(2)
AMM 29-09-00/201, Hydraulic Reservoir Pressurization System
(3)
AMM 29-15-00/201, Hydraulic Systems A, B and Standby
(4)
AMM 32-41-00/201, Hydraulic Brake System
C.
Access
(1)
Location Zones
216 Left Main Landing Gear Door
217 Right Main Landing Gear Door
D.
Procedure (Fig. 401)
S 024-002
(1)
Do the procedure to remove power from all three hydraulic systems (AMM 29-15-00/201).
S 024-003
(2)
Do the procedure to remove the pressure from all three hydraulic reservoirs (AMM 29-09-00/201).
(3)
Loosen the two B nuts on the two sides of each fuse.
(4)
Remove the fuse.
(5)
Install a new fuse.
S 434-007
(6)
Tighten the two B nuts on the two sides of each fuse (AMM 20-50-11/201).
S 034-004
S 024-005
S 424-006
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A
737-300/400/500MAINTENANCE MANUAL
BRAKE FLOW FUSE BRAKE FLOW FUSE
HYDRAULIC SYSTEM) SEE
A
BL 0
VIEW IN THE AFT DIRECTION
Brake Hydraulic Fuses Replacement
Figure 401 (Sheet 1)
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ú 01 Page 402
ú Nov 15/93
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D00128
A
737-300/400/500MAINTENANCE MANUAL
ANTISKID
VALVE
TO BRAKES
FUSES SHOWN) (PNEUDRAULIC FUSE SEE B FUSES SHOWN) (PNEUDRAULIC BYPASS VALVE LEVER SEE B
A BRAKE FLOW FUSES (LEFT BRAKE NORMAL HYDRAULIC SYSTEM) 3
LEVER IN CLOSED POSITION 1
FUSE LOCKWIRE LEVER IN OPEN POSITION CLOSED POSITION LEVER IN 2 OPEN POSITION LEVER IN
FLOW FLOW
PNEUDRAULIC FUSE DECOTO FUSE
B B
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