4)  Release the parking brake handle.
 NOTE: The foot pressure on the brake pedal must be
____ released before you release the parking brake handle. When you do not release the foot pressure, the parking brakes will not be applied.
 5)  Make sure the indicator light of the PARK BRAKE, on the panel, P10, comes on.
 (d)  Depressurize the RIGHT hydraulic system.
 NOTE: The parking brake will hold for a maximum of 12 hours
____ before the RIGHT hydraulic system must be pressurized again.
 NOTE: It is possible that a parking brake failure will occur
____ if the pressure gage indicates less than 1500 psi.
 S 492-039
 WARNING:_______MAKE SURE WHEEL CHOCKS ARE PROPERLY SET. IF WHEEL CHOCKS ARE NOT PROPERLY SET, THE PARKING BRAKE CAN BLEED DOWN OR BE INADVERTANTLY RELEASED. IF THE PARKING BRAKES RELEASES AND THE CHOCKS ARE NOT PROPERLY SET, THE AIRPLANE CAN MOVE WITHOUT WARNING. IF THE AIRPLANE MOVES INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (8)  
Put wheel chocks in front, and behind not less than one tandem pair of wheels (the inboard or outboard pair) of the two trucks of the main landing gear.

 S 042-011

 (9)  
Turn the battery switch to OFF when the battery is not necessary.

 S 862-012

 (10)
 Put the aileron trim controls to zero degrees, as shown on the indicator (Ref 27-11-00).

 S 862-013

 (11)
 Put the rudder trim controls to zero degrees, as shown on the indicator (Ref 27-21-00).

 S 862-014
 CAUTION:_______PUT THE STABILIZER TO 4 UNITS, AS SHOWN ON THE INDICATOR. IF YOU DO NOT PUT THE STABILIZER TO 4 UNITS, ICE CAN COLLECT. THIS CAN CAUSE DAMAGE TO THE BODY SEALS AND TO THE SKIN.
 (12) Put the horizontal stabilizer to 4 units, as shown on the indicator (neutral) (AMM 27-41-00).
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757 MAINTENANCE MANUAL
 S 862-015
 (13)
 Put the trailing edge flaps to the full up position (Ref 27-51-00).

 S 492-016

 (14)
 Install the protective covers and plugs to the engines.

 S 842-023
 WARNING: WHEN THE PITOT PROBES ARE COVERED, MAKE SURE THAT CONDITION IS
_______ VISIBLE FROM THE GROUND. IN ADDITION, ATTACH A TAG TO THE LEFT CONTROL WHEEL IN THE FLIGHT DECK AS A REMINDER THAT PITOT PROBES ARE COVERED. FAILURE TO OBSERVE AND REMOVE COVERINGS OVER PITOT PROBES BEFORE FLIGHT MAY CAUSE LARGE ERRORS IN AIRSPEED-SENSING AND ALTITUDE-SENSING SIGNALS, WHICH MAY LEAD TO LOSS OF SAFE FLIGHT.
 CAUTION: WHENEVER AN OPENING IS COVERED, MAKE SURE THAT CONDITION IS
_______ VISIBLE FROM THE GROUND. ENGINES SHOULD NOT BE OPERATED WITH COVERS IN PLACE BECAUSE THE COVERS CAN COME OFF AND DAMAGE THE ENGINES.
 CAUTION: MAKE SURE THE PITOT PROBE COVERS ARE IN GOOD CONDITION WITH NO
_______
 ú  EVIDENCE OF DAMAGE, ESPECIALLY FRAYING AROUND THE COVER OPENING. FRAYED FIBERS FROM THE COVER COMBINED WITH OTHER SUBSTANCES SUCH AS DIRT, GREASE AND FLUIDS CAN CAUSE OBSTRUCTION IN THE PROBE.
 (15)
 Put the covers on the pitot probes (see Fig. 201 for locations of the pitot probes).

 S 842-024

 (16)
 Attach a red paper tag that has "PITOT PROBES COVERED" printed on it in black letters, to the top of the left control wheel in the flight deck.

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757 MAINTENANCE MANUAL
 S 842-025
 WARNING: WHEN THE STATIC PORTS ARE COVERED, MAKE SURE THAT CONDITION IS
_______ VISIBLE FROM THE GROUND. IN ADDITION, ATTACH A TAG TO THE LEFT CONTROL WHEEL IN THE FLIGHT DECK AS A REMINDER THAT STATIC PORTS ARE COVERED. FAILURE TO OBSERVE AND REMOVE COVERINGS OVER STATIC PORTS BEFORE FLIGHT MAY CAUSE LARGE ERRORS IN AIRSPEED-SENSING AND ALTITUDE-SENSING SIGNALS, WHICH MAY LEAD TO LOSS OF SAFE FLIGHT.
 CAUTION: WHENEVER AN OPENING IS COVERED, MAKE SURE THAT CONDITION IS
　
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