S 434-024
(7)
Remove the plugs from the hydraulic lines and the plugs on the reducers. Connect the hydraulic lines to the hydraulic ports on the actuator.
S 434-025
(8)
Remove the plug from the hydraulic port on the actuator. Install the hydraulic pressure switch on the actuator.
S 434-026
(9)
Connect the electrical connectors to the actuator and the hydraulic pressure switch.
S 794-027
(10)
Do a check of the actuator for hydraulic leak.
(a)
Supply the electrical power (Ref 24-22-00/201).
(b)
Supply the hydraulic power (Ref 29-15-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
WARNING: MAKE SURE THAT YOU MOVE PERSONS AND BLOCKAGES AWAY FROM
_______ THE AILERONS, RUDDER, ELEVATORS, AND TABS. THESE SURFACES MAY MOVE WHEN YOU APPLY THE HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(c)
Supply the hydraulic pressure to the elevator hydraulic systems A and B (Ref 27-31-00/201).
(d)
Visually examine the actuator and make sure that there is no hydraulic leak.
S 824-028
(11)
Adjust the autopilot elevator actuator (AMM 22-11-26/501).
S 724-029
(12)
Do the autopilot elevator actuator test (AMM 22-11-26/501).
F. Put the Airplane Back to Its Initial Condition
S 414-030
(1)
Install the access door, 3801 or 3802, of the tail cone
(Ref 12-31-41/201).
S 864-031
(2)
Close these circuit breakers and remove the DO-NOT-CLOSE tags:
(a)
P6 Circuit Breaker Panel
1) AUTO FLT CONT SYS B MACH TRIM AC
2) AUTO FLT CONT SYS B MACH TRIM DC
3) AFDS MCP CRS-2
4) AUTO FLT CONT SYS B SNSR EXC AC
5) AUTO FLT CONT SYS B FCC DC
6) AUTO FLT CONT SYS B ENGAGE INTLK B
7) AUTO FLT CONT SYS B WARN LIGHT BAT
(b)
P18 Circuit Breaker Panel 1) AUTO FLT CONT SYS A MACH TRIM AC 2) AUTO FLT CONT SYS A MACH TRIM DC 3) AFDS MCP DC 4) AIRPLANES WITH MECHANICAL AILERON FORCE LIMITER;
AFDS AIL FORCE LIM 5) AUTO FLT CONT SYS A SNSR EXC AC 6) AUTO FLT CONT SYS A FCC DC 7) AUTO FLT CONT SYS A ENGAGE INTLK A 8) AUTO FLT CONT SYS A WARN LIGHT BAT
S 864-032
(3) Remove the hydraulic power if it is not necessary
(Ref 29-15-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 864-033
(4) Remove the electrical power if it is not necessary
(Ref 24-22-00/201).
TASK 22-11-26-214-036
4. Shear Rivet Inspection______________________
NOTE: This is a scheduled maintenace task.
____
A. Procedure
S 214-034
(1)
Try to turn the shear rivets by hand to see if they are loose.
S 214-047
(2)
Quickly move the fitting and the arm of the lever assembly in opposite directions.
S 214-048
(3)
If there is movement between the parts, one or both of the rivets are loose.
S 214-049
(4)
Put a 0.0375 to 0.0395 inch (0.9525 to 1.0033 millimeter) diameter pin into the rivet inspection hole.
(a)
Make sure that the pin moves freely.
(b)
Repeat this step for the other rivet inspection hole.
S 964-053
(5) If the rivets are loose or if the pin will not fit, then replace the arm lever assembly.
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