B.
Access
(1)
Location Zones
101 Control Cabin, LH
102 Control Cabin, RH
711 Elevator and Tab, LH
712 Elevator and Tab, RH
C.
Procedure
(1)
Do a check of the elevator manual control system.
S 715-005
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27-31-00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 715-004
(2) Operate the control column with the systems A and B hydraulic power:
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL
_______ CONTROL SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ELEVATORS, FLAPS, SPOILERS, LANDING GEAR CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(a)
Do this task: "Pressurize the Elevator Hydraulic Systems A and B" (AMM 27-31-00/201).
(b)
Set the flight control switches A and B to ON.
(c)
Move the control column full aft.
1) Make sure that elevator moves full up and the system operates smoothly.
(d)
Move the control column full forward.
1) Make sure that elevator moves full down and the system operates smoothly.
S 715-003
(3)
Operate the control column with the system B hydraulic power:
(a)
Set the FLT CONTROL A switch to OFF.
(b)
Move the control column full aft.
1) Make sure that elevator moves full up and the system operates smoothly.
(c)
Move the control column full forward.
1) Make sure that elevator moves full down and the system operates smoothly.
S 715-002
(4)
Operate the control column with the system A hydraulic power:
(a)
Set the FLT CONTROL A switch to ON and the FLT CONTROL B switch to OFF.
(b)
Move the control column full aft.
1) Make sure that elevator moves full up and the system operates smoothly.
(c)
Move the control column full forward.
1) Make sure that elevator moves full down and the system operates smoothly.
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27-31-00
ALL ú ú 01 Page 502 ú Jul 15/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
S 865-109
(5) Do this task: "Put the Elevator Hydraulic Systems A and B Back to the Condition Before the Pressurization" (AMM 27-31-00/201).
TASK 27-31-00-715-097
3. Operational Test - Elevator Manual Control System_________________________________________________
A. References
(1)
AMM 27-31-00/201, Elevator and Tab Control System
B.
Access
(1)
Location Zones
101 Control Cabin, LH
102 Control Cabin, RH
C.
Procedure
S 865-108
(1) Remove the pressure from the elevator hydraulic systems A and B (AMM 27-31-00/201).
S 715-105
CAUTION:_______SLOWLY MOVE THE CONTROL COLUMN FULL FORWARD. IF YOU MOVE THE CONTROL COLUMN FULL FORWARD TOO FAST OR TOO HARD, THIS CAN CAUSE DAMAGE TO THE ELEVATOR FEEL AND CENTERING UNIT.
(2)
Make sure that the control columns, the control wheels, and the elevators move freely:
(a)
Move the control column full forward and aft 5 times between the stops. 1) At the same time turn the control wheel left and right 5
times between the stops.
(b)
Hold the control wheel to the left side against the stop.
1) Move the control column full forward and aft between the stops.
(c)
Hold the control wheel to the right side against the stop.
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