737-300 400 500 AMM 飞机维护手册 SERVICING(182)

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_______ TAPE TO KEEP LIQUIDS OUT OF AREAS THAT CONTAIN MECHANICAL, ELECTRICAL, OR HYDRAULIC COMPONENTS. LIQUIDS THAT GET INTO THESE AREAS CAN CAUSE CORROSION, FREEZE DURING AIRPLANE FLIGHT, OR REMOVE NECESSARY LUBRICANTS.
 CAUTION: MAKE SURE THE PITOT PROBE COVER IS IN GOOD WORKING CONDTION
_______ 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.
 (4)  Put the covers on these components (see Fig. 204 for locations of
 pitot static probes):
 (a)  Pitot static probes
 (b)  Engine inlet, fan exhaust, and turbine exhaust (AMM 71-00-03)
 (c)  Brakes
 (d)  Tires
 S 842-029
 (5)  Attach a red paper tag that has "PITOT PROBES COVERED" printed on it
 in black letters, to the left control wheel in the flight deck with
 wire.

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737-300/400/500MAINTENANCE MANUAL
 S 842-030
 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: DO NOT UNDER ANY CIRCUMSTANCES SPRAY DETERGENT OR WATER
_______ DIRECTLY INTO OR AT ANY OF THE OPENINGS LISTED BELOW OR DAMAGE TO THE AIRPLANE COULD RESULT.
 (6)  Use yellow vinyl adhesive tape and black polyethylene sheet to cover the following openings but do not seal them air-tight:
 (a)  
Surge tank and fuel tank vents (AMM 28-11-00)

 (b)  
APU exhaust duct outlet port (AMM 49-81-11)

 (c)  
Forward outflow valve port (AMM 21-43-11)

 (d)  
Ram air inlet and outlet doors (AMM 21-52-00)

 (e)  
Aft outflow valve (AMM 21-31-11)

 S 842-031
 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
_______ VISIBLE FROM THE GROUND. ENGINES SHOULD NOT BE OPERATED WITH COVERS IN PLACE BECAUSE THE COVERS CAN COME OFF AND DAMAGE THE ENGINES.
 CAUTION: DO NOT UNDER ANY CIRCUMSTANCES SPRAY DETERGENT OR WATER
_______ DIRECTLY INTO OR AT THE STATIC PORTS OR DAMAGE TO THE STATIC PORTS COULD RESULT.
 (7)  Use yellow vinyl adhesive tape and orange barricade tape that has "REMOVE BEFORE FLIGHT" printed on it in black letters to cover the static ports in the following manner (see Fig. 204 for locations of the static ports; see Fig. 205 for illustrations of the static port cover procedure):
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A
737-300/400/500MAINTENANCE MANUAL
 WARNING: DO NOT PLACE 3M NO. 471 YELLOW VINYL ADHESIVE TAPE OVER
_______
 THE HOLES OF THE STATIC PORTS.

 (a)  
Clean the area around each static port with aliphatic naphtha or equivalent, and a clean dry rag where you will put the yellow vinyl adhesive tape (see Fig. 205).

 (b)  
Put one end of a 4-foot piece of the orange barricade tape over the holes of the static port and secure the upper edge with 5 inches of No. 471 yellow vinyl adhesive tape (see Fig. 205 steps 1 and 2).

 NOTE: Smooth the No. 471 yellow vinyl adhesive tape to make
____ sure the bond to the airplane surface is satisfactory.
 (c)  
Put a 5-inch piece of No. 471 yellow vinyl adhesive tape on each vertical edge of the barricade tape overlapping the first strip of adhesive tape (see Fig. 205, step 3).
　
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