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22-12-32
COUPLER ú
ú 01 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. Page 508Nov 12/01
A
737-300/400/500MAINTENANCE MANUAL
D. Put the Airplane Back to Its Usual Condition S 415-007
(1)
Close the Electronic Equipment Access Door, 1201.
S 865-009
(2)
Remove electrical power (AMM 24-22-00/201).
S 865-010 WARNING: KEEP PERSONS AND EQUIPMENT CLEAR OF THE FLIGHT CONTROL
_______ SURFACES, THE THRUST REVERSERS, AND THE LANDING GEAR. THESE COMPONENTS CAN MOVE SUDDENLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(3) Remove hydraulic power (AMM 29-15-00/201).
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22-12-32
COUPLER ú
ú 01 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. Page 509Mar 15/99
A
737-300/400/500MAINTENANCE MANUAL
MACH TRIM ACTUATOR - REMOVAL/INSTALLATION
_________________________________________
1. General_______
A. This procedure contains two tasks. The first is the removal of the mach trim actuator from the top of the elevator feel and centering unit. The second is the installation of the mach trim actuator.
B. If the elevator rigging is changed, the mach trim actuator must be calibrated. To find if the mach trim actuator is correctly calibrated refer to 22-21-11/501 - A/T. For instructions on how to adjust the rigging refer to 27-31-0/501 - A/T.
TASK 22-21-11-004-001
2. Mach Trim Actuator Removal (Fig._______________________________401)
A. Standard Tools and Equipment
(1) Rigging Pin - E-5, 0.309/0.311 inch diameter, 3.7 +/- 0.25 inches long (MS20392-4).
NOTE: This rigging pin is part of F70207-83.
____
B. References
(1)
12-31-41/201, Body Section 48 Access Doors and panels
(2)
27-31-00/201, Elevator Tab and Control System.
C. Access
(1)
Location Zone
705 Tail Cone Access Door
(2)
Access Panel
3802 Tail Cone Access Door
D. Prepare for the Removal
S 864-007
(1)
Remove the hydraulic pressure from the elevator hydraulic systems A and B (Ref 27-31-00/021).
S 864-003
(2)
Open these circuit breakers and attach the DO-NOT-CLOSE tags:
(a) P6-2 Circuit Breaker Panel 1) AUTO FLT CONT SYS B MACH TRIM AC 2) AUTO FLT CONT SYS B MACH TRIM DC
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22-21-11
ALL ú ú 02 Page 401 ú Mar 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
DOUBLE BOLT
MACH TRIM ON MACH TRIM
ACTUATOR JACKSCREW
SEE A
SEE B
ELECTRICAL CONNECTOR
NEUTRAL SHIFT SENSOR CRANK
SIDE MOUNTING BOLTS (2 PLACES)
SEE C
FEEL AND CENTERING UNIT
RIGGING PIN E-5
MACH TRIM ACTUATOR A
Mach Trim Actuator InstallationFigure 401 (Sheet 1)
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22-21-11
ALL ú ú 01 Page 402 ú Jun 25/85
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
DOUBLE BOLT ASSEMBLY
B
MACH TRIM ACTUATOR
SIDE MOUNTING BOLTS ON MACH TRIM ACTUATOR
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