S 582-005
CAUTION: DO NOT LIFT THE AIRPLANE IN WINDS MORE THAN 35 KNOTS.
_______
(3) Make sure the airplane is turned into the wind if it is possible, when jacking is necessary out of the hangar.
S 582-006
CAUTION: MOVE THE AIRPLANE STRAIGHT FORWARD FOR A MINIMUM OF 10 FEET
_______ BEFORE YOU LIFT IT ON THE JACKS. DO THIS WHEN THE AIRPLANE WAS STOPPED DURING A TURN. SIDE LOAD PRESSURES ON THE LANDING GEAR TRUCKS CAUSED BY SCRUBBED TIRES CAN CAUSE THE AXLE JACK TO FALL.
(4)
Make sure that the torsion loads (side load pressures) are released before the airplane axles are lifted on jacks. Move the airplane a minimum of 10 feet before you lift the airplane on jacks.
S 612-007
(5)
Make sure that the shock struts of the main landing gear have a minimum extension of two inches (5.08 cm).
S 612-008
(6)
Make sure that the shock strut of the nose landing gear has a minimum extension of 2 inches (5.08 cm).
D. Use the Axle Jack with Inflated Tires
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MAINTENANCE MANUAL
S 582-010
CAUTION: BE CAREFUL NOT TO CAUSE DAMAGE TO THE RETENTION BOLT OF THE
_______ BRAKE ROD PIN. WHEN THE PIN IS INSTALLED WITH THE HEAD ON THE SIDE AWAY FROM THE TRUCK BEAM, SOME JACKS CAN TOUCH THE THREADS OF THE RETENTION BOLT. THE JACK CAN CAUSE DAMAGE TO THE THREADS OF THE RETENTION BOLT.
(1) If the tires are not deflated, put the jack directly below the jack pad on the landing gear axles. Do the steps that follow:
(a) Examine all of the wheels, on the axles that are not lifted with the jack.
CAUTION: WHEN YOU LIFT ONE AXLE WITH THE JACK, DO NOT LIFT THE AXLE
_______ MORE THAN 11 INCHES HIGHER THAN THE THE OTHER AXLE. IF YOU LIFT THE AXLE TOO HIGH YOU CAN PUT TOO MUCH LOAD ON THE TRUCK POSITION ACTUATOR OF THE MAIN LANDING GEAR. THIS CAN CAUSE DAMAGE TO THE TRUCK POSITION ACTUATOR.
(b) Operate the axle jack(s) to lift the airplane wheel(s) to the necessary height. Refer to the jack manufacturers' instructions.
S 862-014
(2) 757-200 AIRPLANES;
Do not exceed the jack point load limits (Fig. 201).
E. Use the Axle Jack with Deflated Tires
S 582-011
(1) If the tires are deflated on the landing gear axle (not sufficient clearance to install the axle jack), do the steps that follow:
CAUTION:_______MAKE SURE YOU USE AUXILIARY JACKING BARS IN PAIRS. IF YOU LIFT THE AIRPLANE WITH ONE JACKING BAR, YOU CAN CAUSE DAMAGE TO THE AXLE.
(a)
You must remove the MLG antiskid transducer to install the axle jacking bar set on the MLG axles (AMM 32-42-06/401).
(b)
Install the auxiliary jacking bars.
(c)
Lift the axle until the axle jack can be installed below the jack pad.
(d)
Put the axle jack directly below the jack pad.
(e)
Remove the auxiliary jacking bars.
(f)
Put chocks on all of the wheels on the axles that are not being lifted with the jack.
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757
MAINTENANCE MANUAL
CAUTION: WHEN YOU LIFT ONE AXLE WITH THE JACK, DO NOT LIFT THE AXLE
_______ MORE THAN 11 INCHES HIGHER THAN THE THE OTHER AXLE. IF YOU LIFT THE AXLE TOO HIGH YOU CAN PUT TOO MUCH LOAD ON THE TRUCK POSITION ACTUATOR OF THE MAIN LANDING GEAR. THIS CAN CAUSE DAMAGE TO THE TRUCK POSITION ACTUATOR.
(g) Operate the axle jack(s) to lift the airplane wheel(s) to the necessary height. Refer to the jack manufacturers' instructions.
S 862-013
(2) 757-200 AIRPLANES;
Do not exceed the jack point load limits (Fig. 201).
F. Put the Airplane Back to its Initial Condition
S 582-012
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