(2)
AMM 78-31-00/201, Thrust Reverser System
C. Access
(1)
Location Zones
506 Engine No. 1 - aft end of the MEC
606 Engine No. 2 - aft end of the MEC
(2)
Access Panels 5739L/5783L Engine No. 1 - Thrust Reverser Half 5839R/5838R Engine No. 2 - Thrust Reverser Half
D. Procedure (Fig. 601)
S 016-006-C00
WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO OPEN THE THRUST
_______ REVERSER. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURY TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
(1)
Open the left and right thrust reverser halves (AMM 78-31-00/201).
S 216-003-C00
(2)
Do a check of the components that follow:
(a)
Examine the end fittings for damage or bends. 1) No damage or bends is permitted. 2) If they are not serviceable, replace the cable
(AMM 75-31-02/401).
(b)
Examine the end fittings for marks.
1) No marks are permitted. a) Polish the surface to remove marks.
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75-31-02
ALL ú ú C03 Page 601 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
BELLCRANK
LEVER ARM
SEE A ACTUATOR VSV BSEE BRACKET MOUNTING
CABLE FEEDBACK VSV
SEE B
MAIN ENGINE CONTROL (MEC)
A SLOTTED BRACKET OUTER END
CONDUITINNERFITTING
ROD END MEMBER CONDUIT CAP
SUPPORT TUBE
BEARING WASHER WASHER 1
B 1
NOT INSTALLED ON ALL 3B1 AND 3B2 ENGINES.
Variable Stator Vane (VSV) Feedback Cable Inspection
Figure 601
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75-31-02
ALL ú ú C01 Page 602 ú Jul 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
CAUTION: MAKE SURE THE FEEDBACK CABLE ROD-END BEARINGS HAVE SMOOTH
_______ OPERATION. IF THE FEEDBACK CABLE ROD-END BEARINGS ARE SEIZED OR BINDING, THE FEEDBACK CABLE CAN BECOME STRESSED AND BREAK.
(c) Examine the uniballs on the rod-end bearing to see if they are seized or binding. 1) ENGINES PRE-CFMI-SB 72-667;
(ENGINES WITH ROD-END BEARINGS WITH UNIBALLS STAKED IN WITH
TEFLON SLEEVES);
Examine the uniballs on the rod-end bearing.
NOTE: Do not lubricate the Teflon-lined bearing.
____
a) With the rod-end disconnected from the lever arm, turn the inner bearing with your fingers. b) If there is seizing or binding, replace the feedback cable (AMM 75-31-02/401).
2) ENGINES POST-CFMI-SB 72-667;
(ENGINES WITH ROD-END BEARINGS WITH DROP-IN UNIBALLS);
Examine the uniballs on the rod-end bearing.
a) With the rod-end disconnected from the lever arm,
lubricate the two sides of the uniballs on the rod end
bearing with LPS-1 penetrating oil. b) Let the uniballs soak in the oil for 2-3 minutes. c) Turn the uniballs back and forth in the two directions
fully three times, until there is a smooth operation of the uniballs. d) If more oil is necessary for smooth operation, do the
above steps again. e) Wipe off all unwanted oil with a lint free cloth. f) If there is seizing or binding, replace the feedback
cable (AMM 75-31-02/401).
3) ENGINES POST-CFMI-SB 72-790;
(ENGINES WITH TEFLON-LINED ROD-END BEARINGS);
Examine the uniballs on the rod-end bearing.
NOTE: Do not lubricate the Teflon-lined bearing.
____
a) With the rod-end disconnected from the lever arm, turn the inner bearing with your fingers. b) If there is seizing or binding, replace the feedback cable (AMM 75-31-02/401).
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