(2)
Access Panel
193BL RAM Air Inlet Actuator Door
E.
Prepare for Adjustment
S 495-008
(1) Make sure the downlocks for the hex and main landing gear are installed (Ref 32-00-20).
S 495-009
WARNING: REFER TO AMM 32-00-15 FOR THE MAIN-GEAR DOOR-LOCK INSTALLATION
_______ PROCEDURE. FAST MOVEMENT OF THE DOORS MAY CAUSE INJURY OR DAMAGE IF THE LOCKS ARE NOT CORRECTLY INSTALLED.
(2)
Open the main gear doors and install the door locks (Ref 32-00-15).
S 215-013
(3)
Make sure the TE flaps and the LE slats are in the fully retracted position.
S 215-012
(4)
Make sure the flap control lever is in the zero (FLAPS up) detent.
S 865-011
(5)
Remove left hydraulic system power (AMM 29-11-00/201).
S 865-010
(6)
Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11B18, WARN ELEX B
(b)
11C14, FLAP SLAT ELEC UNIT 2 POWER
11C17, FLAP SLAT SHUTOFF 1
(c)
11D31, HYDRAULICS PTU CONT
(d)
11G12, FLAP SLAT ELEC UNIT 1 POWER
(e)
11G21, FLAP SLAT ELEC UNIT 3 POWER
(f)
ON GUN 001-005;
11H14, FLAP SLAT SHUTOFF 1
(g)
11H23, FLAP/SLAT ALTN DR SHUTOFF ARM
(h)
11H24, FLAP/SLAT ALTN DR SHUTOFF 2
(i)
11J33, WARN ELEX A
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757 MAINTENANCE MANUAL
S 865-014
(7)
Open these circuit breakers on the main power distribution panel, P6, and attach DO-NOT-CLOSE tags:
(a)
6D20, ALTN SLAT PWR
(b)
6D23, ALTN FLAP PWR
F.
Adjust the TE Flap System
S 035-015
(1)
Disconnect the torque tubes at the output shafts of the power drive unit (PDU) for the TE flaps.
S 495-016
(2)
Attach clamps to the torque tubes to keep the flap position (Fig. 504).
S 825-017
(3)
Adjust the PDU Input Cam and Control Cables as follows:
NOTE: Refer to AMM 20-10-03/401 for instructions
____
on control cable removal/installation.
(a)
Disconnect the WFA and WFB cables at the turnbuckles.
(b)
Put the flap control lever in the 1-unit detent.
(c)
Turn the input drum of the PDU to the 1-unit flap position.
(d)
Put rig pin TE1 into the PDU input cam to make sure the input drum is in the correct position (Fig. 502).
(e)
Connect the WFA and WFB cables at the turnbuckles.
(f)
If new cables are installed, and the cables were not pulled before installation, do the steps that follow: 1) Pull the cables with a force that is two times the force
shown in Table 2. 2) Cycle the system to the maximum travel limits 20 times.
(g)
Tighten the cables and refer to Table 2 for the correct tension.
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MAINTENANCE MANUAL
~........................................................... | TABLE 2 | ............................................................. | FLAP CABLE TENSION LOADS | ............................................................. | TEMP °F | WFA, WFB | | |5°F | TENSION IN POUNDS | ............................................................. | 110 | 118 | | 90 | 109 | | 80 | 104 | | 70 | 100 | | 60 | 96 | | 50 | 92 | | 40 | 88 | | 30 | 84 | | 10 | 75 | | -10 | 67 | | -30 | 59 | | -40 | 53 | 2.........................….................................1 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 4(134)
