(d)
Install the clamp-up bushing and bolt with a washer on each side.
(e)
Install the locknut.
(f)
Tighten the locknut to 300-450 pound-inches.
(g)
Remove the plugs from the hydraulic lines.
(h)
Seal all the ports with caps.
(i)
Connect the hydraulic lines to the support bracket.
(j)
Install the lockwire on the nuts.
S 864-012
(4)
Do this task to pressurize hydraulic system B: "Leading Edge Flaps and Slats Hydraulic Systems A and B Pressurization" (Ref 27-81-00/201).
S 864-013
(5)
Move the flap control lever to the 1-unit detent to extend the actuator.
NOTE: Hold the actuator rod end clear of the flap clevis.
____
S 864-014
(6)
Do this task to depressurize hydraulic system B: "Leading Edge Flaps and Slats Hydraulic Systems A, B and Standby Depressurization" (Ref 27-81-00/201).
S 424-015
(7)
Install the actuator to the leading edge flap (Fig. 401):
(a)
Align the actuator rod end with the leading edge flap clevis.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-81-31
ALL ú ú 01 Page 404 ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(b)
Install the bolt with a washer below the bolt head.
1) Make sure you install bolthead in the directions shown in Fig. 401.
(c)
Put a washer below the nut.
(d)
Tighten the nut to 660-780 pound-inches.
(e)
Align the cotter pin hole in the bolt with the slot in the nut.
(f)
Install the cotter pin.
S 094-033
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ LEADING EDGE FLAP AND SLAT LOCKS. THE LEADING EDGE FLAPS AND SLATS CAN MOVE QUICKLY IF YOU DO NOT REMOVE THE LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(8)
Do this task to remove the leading edge flap actuator lock from the adjacent actuator : "Leading Edge Flap and Slat Locks Removal" (Ref 27-81-00/201).
S 864-017
(9)
Do this task to pressurize hydraulic system B: "Leading Edge Flaps and Slats Hydraulic Systems A and B Pressurization" (Ref 27-81-00/201).
S 874-034
CAUTION: CAREFULLY MONITOR THE FLAP NOSE CLEARANCE AND THE ACTUATOR
_______ CLEARANCES DURING THE RETRACTION AND EXTENSION OF THE LEADING EDGE FLAPS AND SLATS. IF THERE IS NO SUFFICIENT CLEARANCES, STRUCTURAL DAMAGE CAN OCCUR.
(10)
Operate the leading edge flaps and slats a minimum of two cycles to bleed air from the system.
(11)
Examine the hydraulic fittings on the actuator for leakage.
S 724-026
(12)
Do a test of the leading edge flap standby hydraulic system:
(a)
Move the flap control lever to the FLAP UP detent.
S 794-019
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-81-31
ALL ú ú 02 Page 405 ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(b)
Do this task: "Supply Electrical Power" (Ref 24-22-00/201).
1) Make sure that power is available on the No. 1 and 2 generator buses.
(c)
Make sure these switches are in the OFF positions: 1) The aternate flap arm switch 2) The System A Flight Control switch 3) The System B Flight Control switch
(d)
Set the alternate flap arm switch to the ARM position.
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE
_______ LEADING EDGE CONTROL SURFACES. THE LEADING EDGE CONTROL SURFACES CAN EXTEND AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
CAUTION: MAKE SURE THAT THE INBOARD FAN DUCT COWL AND THE THRUST
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：737-300 400 500 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 6(76)
