757 AMM 飞机维护手册 SERVICING 2(82)

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 NOTE: Keep the area that you burnish to minimum.
____
 3)  Move the burnishing tool on the repaired area so the area has a smooth surface, and so the stress is applied on a large area.
 4)  If the burnished area does not blend in with the adjacent surface, continue as shown in PROCEDURE II.
 F.  Put the Airplane Back In Its Usual Condition
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL

 S 843-044
 WARNING:_______ FAILURE TO REMOVE COVERS FROM PITOT PROBES BEFORE FLIGHT MAY
 CAUSE LARGE ERRORS IN AIRSPEED-SENSING AND ALTITUDE-SENSING
 SIGNALS, WHICH MAY LEAD TO LOSS OF SAFE FLIGHT.

 CAUTION:_______REMOVE ALL COVERS. 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 WORKING CONDITION
_______ WITH NO 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.
 (1)  Remove the coverings from the following components:
 (a)  
Pitot probes

 (b)  
Engine inlet, fan exhaust, and turbine exhaust (AMM 71-00-03/201)

 (c)  
Brakes

 (d)  
Tires

 S 843-036
 (2)  Remove the "PITOT PROBES COVERED" tag from the left control wheel in the flight deck.
 S 843-045
 WARNING: FAILURE TO REMOVE BARRICADE TAPE AND VINYL ADHESIVE TAPE FROM
_______ STATIC PORTS BEFORE FLIGHT MAY CAUSE LARGE ERRORS IN AIRSPEED-SENSING AND ALTITUDE-SENSING SIGNALS, WHICH MAY LEAD TO LOSS OF SAFE FLIGHT.
 CAUTION: REMOVE ALL BARRICADE TAPE, COVERS, POLYETHYLENE SHEET AND VINYL
_______ ADHESIVE TAPE. ENGINES SHOULD NOT BE OPERATED WITH COVERS IN PLACE BECAUSE THE COVERS CAN COME OFF AND DAMAGE THE ENGINES.
 (3)  Remove all barricade tape, covers, polyethylene sheet and vinyl adhesive tape from the following openings:
 (a)  
Static ports

 1)  Inspect each static port and if necessary use naphtha or equivalent, to remove all tape residue, dirt and other contaminants around the port.

 (b)  
Surge tank and fuel vents

 (c)  
APU exhaust duct outlet port

 (d)  
APU oil cooing air exhaust port

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757
MAINTENANCE MANUAL

 (e)  
Overboard exhaust valve port

 (f)  
Ram air inlet and outlet doors

 (g)  
Outflow valve

 S 843-038
 (4)  Remove the "STATIC PORTS COVERED" tag from the left control wheel in the flight deck.
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 12-25-01
 ALL  ú ú 01 Page 352 ú Sep 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 COLD WEATHER MAINTENANCE - SERVICING
____________________________________
 1.  General_______
 A.  Safe airplane operation in cold weather conditions causes special problems. These problems occur because of the effects of the ice, snow, slush, frost, and low temperatures. Maintenance persons must know the effect of cold weather on operations to keep the costs and the time to a minimum. This procedure has the data on protection against or removal of ice, snow, slush and frost from the airplane. It also includes other related data for the operation of the airplane in cold weather. The operator must find and use the correct procedures for the weather conditions that occur.
　
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