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 9)  Make sure the space between the strut fairing and the extension ring is clean. If necessary, clean the surface with solvent and rub the surface dry.
 10) Apply the 1200 Red primer with a brush or a spray on all the surfaces to be sealed. a) Let the primer dry for 1 hour.
 11) Apply the DC 93-006-1 (aerodynamic) sealant to the space between the strut fairing and the extension ring. (as shown in Fig. 403, View C). Make the sealant smooth. a) Let the sealant cure for ten hours.
 NOTE: A ten-hour cure time is for usual conditions
____ of 77° |2°F (25 |1°C) and 50 |5 % relative humidity. The cure time can be made faster if you flow warm air (not more than 120°F [50°C]) along the sealant. You can also make the sealing surfaces warm before you apply the sealant.
 (h)  
Disconnect the air source from the hose fitting for the
 pressure test.

 (i)  
Remove the hose from the drain line.

 S 734-028-C00
 (6)  Do a rigging check on the VSV feedback cable (AMM 75-31-02/501) if the left side actuator is replaced.
 S 414-026-C00
 WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO CLOSE THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURY TO PERSONS OR DAMAGE TO EQUIPMENT COULD OCCUR.
 (7)  
Close the applicable thrust reverser half (AMM 78-31-00/201).

 S 724-057-C00

 (8)  
Do these tests:

 (a)  Test No. 3 - Idle Power Leak Check
 (AMM 71-00-00/501, Power Plant Test Reference Table).

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 75-31-01
 ú  ALL  ú
 ú ú  ú C04.101 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.  Page 417Jul 12/02 

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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(b)  Test No. 8 - Accel/Decel Check (AMM 71-00-00/501, Power Plant Test Reference Table).
 S 794-023-C00
 (9)  Do a check for leaks at the coupling nuts of the VSV head and rod end (tube to hose) at the MEC.
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 75-31-01
 ALL  ú ú C04 Page 418 ú Nov 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
VARIABLE STATOR VANE ACTUATOR - INSPECTION/CHECK
________________________________________________
 1.  General
_______
 A.  This procedure contains an inspection of the variable stator vane (VSV) actuator. The inspection includes a visual check for fuel leaks and a check to make sure the VSV actuator is correctly attached.
 TASK 75-31-01-796-001-C00
 2.  VSV Actuator Inspection
_______________________
 A.  References
 (1)  
AMM 71-71-00/601, Engine Vents and Drains

 (2)  
AMM 78-31-00/201, Thrust Reverser System

 B.  Access
 (1)  
Location Zones 506 Engine No. 1 - attached to the forward stator case of the HPC at the 1:30 and 7:30 o'clock positions

 606  Engine No. 2 - attached to the forward stator case of the HPC at the 1:30 and 7:30 positions

 (2)  
Access Panels
 5739L/5738L Engine No. 1 - Thrust Reverser
 5839R/5838R Engine No. 2 - Thrust Reverser

 

 C.  Examine the VSV actuator (Fig. 601)
 S 016-002-C00
 (1)  
Open the applicable thrust reverser (AMM 78-31-00/201).

 S 216-003-C00

 (2)  
Examine the end cap for fuel leakage.

 (a)  If there is fuel leakage at the end cap, replace the actuator.
 S 216-004-C00
 (3)  
Examine the overboard drains for fuel leakage and do the corrective action if it is necessary (AMM 71-71-00/601).

 S 226-005-C00

 (4)  
Make sure there are no loose nuts.

 (a)  Tighten or replace all loose nuts.

 (5)  
Close the applicable thrust reverser (AMM 78-31-00/201).
　
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