(c)  
Pull the coupling sleeve and input shaft out (10-30 pounds) (45-130 newtons) by hand.

 (d)  
Make a record of the total axial movement.

 (e)  
If the total axial movement is more than 0.015 inches

 (0.38
 mm), then replace the gearbox assembly (AMM 27-51-10/401).

 E.
Put the Airplane Back to Its Usual Condition

 S 866-038
 (1)  
Remove the DO-NOT-CLOSE tags, and close these circuit breakers on the overhead panel, P11:

 (a)  
11B18, WARN ELEX B

 (b)  
11D31, HYDRAULICS PTU CONT

 (c)  
11H23, FLAP/SLAT ALTN DR SHUTOFF ARM

 (d)  
11J18, FLAP LOAD RELIEF

 (e)  
11J33, WARN ELEX A

 S 866-039
 (2)  
Remove the DO-NOT-CLOSE tags, and close these circuit breakers on the main power distribution panel, P6:

 (a)  
6D20, ALTN SLAT PWR

 (b)  
6D23, ALTN FLAP PWR

 (3)  
Install the forward flap track fairing (AMM 27-51-30/201).

 (4)  
Remove the DO-NOT-OPERATE tag from the flap control lever.

 S 416-040
 S 086-041
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A

757 MAINTENANCE MANUAL
 S 866-042
 WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
_______ HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
 (5)  
Pressurize the left hydraulic system (AMM 29-11-00/201).

 S 866-043

 (6)
Move the flap control lever to the zero (FLAPS UP) detent.

 S 416-044
 WARNING: USE THE PROCEDURE IN AMM 32-00-15 TO REMOVE THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (7)  
Remove the door locks from the landing gear doors and close the doors (AMM 32-00-15/201).

 S 866-045

 (8)  
Remove the power from the left hydraulic system (AMM 29-11-00/201).

 S 866-046

 (9)  
Remove the electrical power if it is not necessary
 (AMM 24-22-00/201).

 TASK 27-51-00-026-047
 5. TE Flap Drive Shaft Inspection (Fig. 604)
_________________________________________
 A. Equipment
 (1)  
Calipers, Dial

 B.
References

 (1)  
AMM 24-22-00/201, Electrical Power - Control

 (2)  
AMM 27-51-34/401, Trailing Edge Flap Driveshaft

 (3)  
AMM 32-00-15/201, Landing Gear Door Locks

 (4)  
AMM 32-00-20/201, Landing Gear Down Locks

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 ALL  ú ú 01 Page 617 ú May 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 C. Access
 (1)  
Location Zones
 143/144 MLG Wheel Well
 211/212 Control Cabin
 710 Nose Landing Gear and Doors
 730/740 Main Landing Gear and Doors

 D.
Prepare for the Inspection

 S 216-048
 (1)  
Make sure that the TE flaps and LE slats are in the fully retracted position, and that the flap control lever is in the zero (FLAPS UP) detent.

 S 216-049

 (2)  
Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).

 S 866-050

 (3)  
Supply electrical power (AMM 24-22-00/201).

 S 496-051
 WARNING: USE THE PROCEDURE IN AMM 32-00-15 TO INSTALL THE DOOR LOCKS.
　
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