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 DO NOT APPLY BOOST PUMP PRESSURE TO THE FUEL PUMP INLET DURING THE DRY MOTOR PROCEDURE. FUEL LEAKAGE CAN OCCUR AND CAUSE DAMAGE TO THE EQUIPMENT OR INJURY TO PERSONS.
 (ac) Use the Power Plant Dry-Motor procedure to motor the engine to the maximum motor speed (approximately 24-28% N2) (AMM 71-00-00/201). 1) Do not apply boost pump pressure to the fuel pump inlet.
 NOTE: Because the engine fuel supply line has been
____ disconnected and capped, fuel boost pump pressure can cause the cap on the supply line to come off and fuel to spill on the engine.
 (ad) When the engine is at maximum motor speed, put the applicable engine start lever in the IDLE position for 10 seconds.
 (ae) Put the start lever back to the CUTOFF position and continue to motor the engine for 2 minutes.
 (af) Use the Power Plant Dry-Motor procedure to do the engine shutdown (AMM 71-00-00/201).
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(ag) Remove the pressure from the oil supply line to the fuel pump inlet.
 (ah) Remove the oil supply line. (ai) Connect the fuel supply line to the fuel pump inlet. 1) Remove the cap from the fuel supply line. 2) Lightly lubricate the gasket with petrolatum and install it on the inlet port of the fuel pump. 3) Lightly lubricate the bolts (4 locations) for the fuel line flange with grease. 4) Put the fuel line flange on the fuel pump flange, and install the bolts and washers (4 locations). a) Tighten the bolts. (aj) Remove the pressure from the CDP port (false PS3 source). (ak) Remove the cap from the CDP line. (al) Connect the CDP line to the MEC port. 1) Tighten the coupling nut to 135-150 pound-inches (15.3-17.0 Newton meters).
 S 412-124-C00
 (4)  Close the VBV doors if they are open (AMM 75-32-00/201).
 S 432-125-C00
 (5)  Put the vapor barrier film on the VBV bleed grills.
 S 432-126-C00
 (6)  Install caps on all disconnected lines and electrical connections.
 S 432-127-C00
 (7)  Seal the inlet and exhaust openings with the vapor barrier film. (a) Attach the vapor barrier film with tape.
 S 432-050-C00
 (8)  Put the desiccant on each side of the engine, but do not let it touch the engine hardware.
 NOTE:____ The dessicant must be replaced at regular intervals based on the weather conditions. Install the dessicant such that it
 gives sufficient protection to the engine and also permit access for replacement without damage to the engine protective cover.

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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 ////////////////////////
S 432-051-C00
 (9)  Install a waterproof cover on the full power plant.
 (a)  Tightly attach the waterproof cover to the engine.
 S 932-052-C00
 (10) Attach a tag to the power plant to show that the fuel system and oil system preservation was done with preservation oil.
 (a)  Include the date of the preservation procedure.
 S 862-053-C00
 (11)
 Remove the DO-NOT-CLOSE tag and close this circuit breaker:

 (a)  P6 Main Power Distribution Panel
 1) SHUTOFF VALVE ENG

 G.  
Power Plant Preservation (Not Serviceable) (Fig. 201)

 NOTE: If the engine can be motored, use the procedure for a serviceable
____
 engine preservation for 30 to 365 days (Ref paragraph C).

 S 682-054-C00
 (1)  Drain the engine fuel system.
 (a)  
Supply the electrical power (AMM 24-22-00/201). 1) Remove the DO-NOT-OPERATE tag from the BAT switch.

 (b)  
Make sure the applicable start lever is in the CUTOFF position.

 (c)  
Make sure the FUEL VALVE CLOSED light on pilots' overhead panel, (P5), is on (dim) to show the valve closed.
　
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