2) Connect the control line to the union on the right side of the PRSOV.
(b) ENGINES WITH THE DOWNSTREAM SENSE LINE TO BLEED AIR REGULATOR; Do these steps to connect the downstream sense line to the bleed air regulator to the right side of the PRSOV: 1) Remove the protective caps and apply antiseize compound to
the fittings on the sense line and the union on the PRSOV. 2) Connect the sense line to the fitting on the right side of the PRSOV.
CAUTION: MAKE SURE THERE IS NO INTERFERENCE BETWEEN THE WIRE BUNDLE
_______ W1508 AND THE ADJACENT BRACKETS AND PRECOOLER VALVE. INTERFERENCE BETWEEN THE WIRE BUNDLE AND THE ADJACENT PARTS CAN DAMAGE THE WIRING.
(c) ENGINES WITH DUAL ELECTRICAL CONNECTORS (D1208, D1210) ATTACHED TO THE PRSOV; Attach the wire bundle (W1508) at two locations to the lower PRSOV bracket (Fig. 403). 1) ENGINES WITHOUT THE CAPTIVE FASTENER CLAMPS;
Use the clamps (6), bolts (2) and washers (3).
NOTE: The clamps and hardware were loosely attached to
____ the wire bundle during the engine removal.
2) ENGINES WITH THE CAPTIVE FASTENER CLAMPS;
Use the clamps (12).
NOTE: The clamps were loosely attached to the wire
____
bundle during the engine removal.
(d) CTAI clamp and precooler valve orientation
CAUTION: IF THE CTAI DUCT CLAMP IS NOT ORIENTED AND CLOCKED
_______ CORRECTLY, THE FORWARD FIRE SEAL ASSEMBLY WILL BE DAMAGED ON ENGINE INSTALLATION.
1) Make sure the CTAI duct clamp is oriented and clocked as shown (Fig. 421).
CAUTION: IF THE PRECOOLER VALVE IS NOT ORIENTED CORRECTLY, THE
_______ THRUST REVERSER UPPER BIFURCATION PANEL WILL BE DAMAGED ON ENGINE INSTALLATION.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
Power Plant Installation - Bootstrap Method
___________________________________________ Prepare for the Power Plant Installation
2) Make sure that the precooler valve is oriented as shown (AMM 36-12-35/401).
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE A
FWD
A-A
TAI VALVE
EXISTING TAI BIFUR DUCT (REF)
UPPER DUCT
A
A
FWD
EXISTING RING
12 O'CLOCK STRUT
A
Inlet Cowl Thermal Anti-Icing System Installation Figure 421
H56626
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
Power Plant Installation - Bootstrap Method
___________________________________________ Install the Power Plant
H. Install the Power Plant
S 494-114-C00
(1)
If the bootstrap equipment is not already installed, install the bootstrap equipment.
S 494-115-C00
(2)
Put the transportation base, with the cradle attached to the engine, below the strut.
(a)
Move the transportation base/cradle assembly/power plant in front of the strut and move it rearward until it is below the strut.
S 494-068-C00
(3)
Attach the inboard and outboard forward cradle mounts to the cradle (Fig. 413).
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