(13)
Move the control lever for the landing gear to the DN position.
S 735-033
S 735-032
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE AREA
_______ AROUND THE MAIN LANDING GEAR. THE DOORS CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(14)
Move the MAIN GEAR DOOR CLOSE switch to DOOR CLOSE. The switch is on the electrical service panel for the main wheel wells, P72.
(15)
Make sure doors for the main landing gear close and lock.
S 735-029
32-35-00
ALL ú ú 04 Page 527 ú May 28/99
A
757 MAINTENANCE MANUAL
S 015-025
(16) Close the access door 198PR (AMM 06-41-00/201).
S 735-023
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE AREA
_______ AROUND THE NOSE LANDING GEAR. THE DOORS FOR THE NOSE LANDING GEAR WILL CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(17)
Move the NOSE GEAR DOOR CLOSE switch to DOOR CLOSE. The switch is on the left equipment panel on the nose landing gear, P63.
S 735-021
(18)
Make sure the forward doors for the nose landing gear close and lock.
S 865-019
(19)
Remove the power from the hydraulic system if it is not necessary (AMM 29-11-00/201).
S 865-018
(20)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
TASK 32-35-00-705-191
7. System Test - Landing Gear Alternate Extension (Fig. 501A, 503, 505)______________________________________________
A. General
(1)
This test does a check of the mechanical, electrical, and hydraulic functions of the landing gear alternate extension system.
B.
References
(1)
AMM 06-41-00/201, Fuselage (Major Zone 100 and 200) Access Doors and Panels
(2)
AMM 07-11-01/201, Jacking Airplane
32-35-00
ALL ú ú 04 Page 528 ú Sep 28/00
A
757
MAINTENANCE MANUAL
(3)
AMM 24-22-00/201, Electrical Power - Control
(4)
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(5)
AMM 32-00-20/201, Landing Gear Downlocks
C.
Access
(1)
Location Zones
144 Main Landing Gear Wheel Well (Right)
211 Control Cabin (Left)
212 Control Cabin (Right)
711 Nose Landing Gear
731 Main Landing Gear (Left)
741 Main Landing Gear (Right)
(2)
Access Panel
198PR Door - Landing Gear Ground Control (Right)
D.
Do the Test of the Landing Gear Alternate Extension
S 865-017
(1)
Prepare for the Alternate Extension Test
(a)
Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
(b)
Lift the airplane on jacks sufficiently for the landing gear to retract (AMM 07-11-01/201).
(c)
Supply electrical power (AMM 24-22-00/201).
(d)
Move the control lever for the landing gear to the OFF position.
(e)
Remove the pressure from the left hydraulic system (AMM 29-11-00/201).
(f)
Make sure these circuit breakers on the main power distribution panel, P6, are closed: 1) 6F5, LANDING GEAR ALTN EXT CONT 2) 6F6, LANDING GEAR ALTN EXT MOTOR
(g)
Make sure these circuit breakers on the overhead panel, P11, are closed: 1) 11C30, LANDING GEAR POS SYS 1 2) 11S15, AIR/GND SYS 1 3) 11S17, DOORS CLOSE GROUND ACCESS 4) 11S19, AIR/GND SYS 2 5) 11S23, POS SYS 2
32-35-00
ALL ú ú 10 Page 529 ú Jan 28/01
A
757
MAINTENANCE MANUAL
6) 11P1, L IND LTS 1
7) 11P2, L IND LTS 2
8) 11P28, R IND LTS 1
9) 11P29, R IND LTS 2
10) 11P5, IND LTS DIM CONT
11) 11A32, IND LTS 1
12) 11A33, IND LTS 2
13) 11A34, IND LTS 3
14) 11A35, IND LTS 4
15) 11A31, IND LTS TEST
(h)
Remove the downlocks on the nose and main landing gear (AMM 32-00-20/201).
(i)
Pressurize the left hydraulic system to 2800-3150 psig (AMM 29-11-00/201).
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 起落架 CHAPTER 32 - LANDING GEAR 2(104)
