S 864-037

 (7)  
Open these circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags:

 (a)  
11S15, LANDING GEAR AIR/GND SYS1

 (b)  
11S19, LANDING GEAR AIR/GND SYS2

 (c)  
11S18, LDG GEAR ANTISKID 1-5

 (d)  
11C31, ANTISKID 2-6 (Left Gear)

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757 MAINTENANCE MANUAL
 (e)  
11C32, ANTISKID 3-7 (Right Gear)

 (f)  
11S22, ANTISKID 4-8 (Right Gear)

 (g)  
AIRPLANES WITH BRAKE TEMP MONITORING SYSTEM;
 11S16, BRAKE TEMP

 S 864-033
 WARNING: CLEAR THE AREA BELOW THE WING BEFORE YOU DEFLATE ONE SHOCK
_______ STRUT. THE WING TIP CAN MOVE DOWN AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (8)  
Do the steps that follow to deflate the shock strut:

 (a)  
Remove the air valve cap.

 WARNING: LOOSEN THE NUT FOR THE AIR VALVE A MAXIMUM OF TWO TURNS.
_______ AIR PRESSURE CAN BLOW THE VALVE OFF AND CAN CAUSE INJURY TO PERSONS.
 (b)  
Loosen the nut for the air valve, two turns.

 (c)  
Let the shock strut deflate fully.

 (d)  
Remove the air valve nut.

 S 844-034
 (9)  Use a drip tray to catch the hydraulic fluid when you open the oil charging valve.
 S 494-035
 CAUTION: CLEAN ALL THE LEAKED HYDRAULIC FLUID FROM THE TIRES
_______ IMMEDIATELY. THE FLUID CAN CAUSE DAMAGE TO THE TIRES.
 (10)
 Install the drain equipment on the oil charging valve.

 S 094-036

 (11)
 Remove the drain equipment when all the oil has drained from the shock strut.

 E.
Remove the Inner Cylinder

 S 034-034
 (1)  Disconnect the head end of the truck positioner actuator from the inner cylinder (AMM 32-32-15/401).
 

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 (2)  S 864-169Attach the truck positioner actuator to the truck.
 (3)  S 034-170Disconnect the brackets that hold the disconnects for the hydraulic lines.
 NOTE:____ The brackets attach to the inner and outer cylinders at the upper and lower torsion link attach points.
 (4)  S 034-171Disconnect the upper and lower attach brackets.
 (5)  S 034-172Remove the upper and lower attach pins for the torsion links (AMM 32-11-16/401).
 (6)  S 034-173Disconnect the hydraulic lines and the electrical lines from the brackets on the side of the truck beam.
 ú ú ú ú ú         ú
ú ú  (7) (8)  S 584-174Lift the airplane on jacks until you can see approximately 9 inches of chrome on the inner cylinder (AMM 07-11-01/201).S 224-236Measure and record the distance that the lower surface of the glandnut (22) extends below the lower surface of the outer cylinder.NOTE: The recorded measurement will be used to compare to the____2nd measurement made when the shock strut is assembled.
 (9)  S 844-175Wind a cloth pad around the inner cylinder.
 NOTE:____ This will prevent damage to the surface of the cylinder if the gland nut moves down.
 S 094-176 (10) Remove the lock key for the gland nut.

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 S 014-177
　
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