36-12-25
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 024-051
(2) Remove the fasteners which hold the lower support rods to the lower support link.
NOTE: When you remove the fasteners for the removal of the
____ precooler, make sure you monitor the fastener buildup for the installation procedure.
S 024-052
(3) Remove the fasteners which hold the precooler by the lugs to the forward adjustable link assembly.
NOTE: When you remove the fasteners for the removal of the
____ precooler, make sure you monitor the fastener buildup for the installation procedure.
S 024-053
(4) Remove the fasteners which hold the upper aft side of the precooler to the nacelle strut structure.
NOTE: When you remove the fasteners for the removal of the
____ precooler, make sure you monitor the fastener buildup for the installation procedure.
S 024-054
(5)
Remove the precooler.
S 214-055
(6)
Make sure there is no unwanted material or damage to the fan air side of the precooler.
(a)
Remove the unwanted material if it is necessary.
(b)
Replace the precooler if it is damaged.
TASK 36-12-25-404-045
3. Bleed Air Precooler Installation (With Engine Removed)
________________________________
A. Consumable Material
(1) D00006 - Antiseize Compound, NEVER SEEZ (AMM 20-30-21/201)
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36-12-25
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
FORWARD ADJUSTABLE
LINK SENSE LINE
CLAMP, NACELLE
SCREW, STRUT COUPLLING
NUT FIREWALL E-SEAL BLEED
AIR
DUCT
A
LUGS
BLEED AIR
PRECOOLER STRUT OUTBOARD
SEE A FIRE SEAL NACELLE
ASSEMBLY DOOR STRUT
STRUCTURE
A
B
PRECOOLER
CONTROL
VALVE BOLT, WASHERS, NUT CLAMP,
SCREW,
B
(2 LOCATIONS)NUT LOWER SUPPORTPRSOV
ECCENTRIC BLEED AIR LINK
BOLT PRECOOLER
COUPLING E-SEAL FWD
BLEED AIR PRECOOLER
LOCKWIRE A
5.00 INCHES ADJUSTABLE FORWARD INSPECTION HOLE
LINK ASSEMBLY
ADJUSTABLE LEG INSPECTION HOLE
BOLT FIXED WASHERS (2) 1 LEG NUT
BLEED AIR PRECOOLER
BOLT WASHERS (2)
1
NUT
FORWARD SUPPORT LINKAGE A-A
1
INSTALL THE COUNTERSINK SIDE OF THE WASHER AGAINST THE BOLT HEAD
Bleed Air Precooler Installation Figure 401 (Sheet 1)
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36-12-25
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
BOLT NUT NACELLE STRUT
BLEED AIR
STRUCTURE
PRECOOLER
BOLT
C-C
Bleed Air Precooler Installation
Figure 401 (Sheet 2)
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36-12-25
ALL ú ú 01 Page 404 ú Nov 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
G38100
A
737-300/400/500MAINTENANCE MANUAL
B. References
(1)
AMM 20-10-44/401, Lockwire
(2)
AMM 20-30-21/201, Lubricants
(3)
AMM 36-05-00/201, Pneumatic System
(4)
AMM 71-00-02/401, Engine Power Plant
C. Access
(1) Location Zones
501 Engine No. 1
502 Engine No. 2
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