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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(b)
Set the FUEL CONTROL toggle switches, found on the engine start module, to CUTOFF, and attach a DO-NOT-OPERATE identifier to the switches.
(c)
Close the engine fuel shutoff-valve and disconnect the electrical plug from the valve.
(d)
Close the hydraulic EDP supply shutoff-valve and disconnect the electrical plug from the valve.
(e)
Make sure the hydraulic system is depressurized
(AMM 29-09-00/201).
(f)
Make sure the fuel supply line and hydraulic fluid lines to the engine are drained.
S 024-000-B00
(6)
Remove the engine (AMM 71-00-02/401).
S 494-012-B00
(7)
Use the tool placard to install the strut preload sling C54001-27 (Figure 401).
S 584-021-B00
CAUTION: DO NOT EXCEED THE UPLOAD OR DOWNLOAD NECESSARY TO PERMIT THE
_______ PIN/BOLT TO TURN WHEN YOU APPLY 125 POUND-INCHES MAXIMUM TORQUE. DO NOT LIFT THE STRUT OR PULL DOWN ON THE STRUT WITH MORE THAN 3,000 POUNDS OF FORCE. APPLY THE LOAD VERTICALLY. IF YOU LIFT THE STRUT OR PULL DOWN ON THE STRUT WITH TOO MUCH FORCE, OR AT AN INCORRECT ANGLE, DAMAGE TO THE AIRCRAFT CAN OCCUR.
(8) Do these steps to remove the load from the pin/bolt that you will remove:
(a)
Slowly apply a small load with a crane.
(b)
Move the crane, if it is necessary, to apply a vertical load at the tool attach points. 1) At the side of the strut, visually align the strut sling to
make sure that you apply the load vertically. 2) At the front or rear of the strut, visually align the strut sling vertically side-to-side. 3) Monitor the angle of the strut sling side-to-side and forward/aft during the procedure.
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A 737-300/400/500MAINTENANCE MANUAL
DYNAMOMETER
SLING EQUIPMENT
DYNAMOMETER (2 LOCATONS)
CHAIN HOIST (2 LOCATIONS)
ENGINE INSTALLED
Sling Equipment Installation Figure 401 (Sheet 1)
E63954
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500
MAINTENANCE MANUAL
DYNAMOMETER
SLING EQUIPMENT POSITION FOR UPLOAD
STRUT
FORWARD ENGINE MOUNT
FWD
STRUT
FORWARD ENGINE MOUNT
FWD
SLING EQUIPMENT POSITION FOR DOWNLOAD
DYNAMOMETER
ENGINE REMOVED
Sling Equipment Installation
Figure 401 (Sheet 2)
F65251
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A
737-300/400/500MAINTENANCE MANUAL
(c) Slowly increase the load until you can turn the pin/bolt (that you will remove) with a maximum torque of 125 pound-inches
(14.3 N.m).
1) Make sure the pin/bolt, end caps, bolt, nut, and washers turn together as an assembly.
NOTE: When you remove the load correctly, the pin/bolt
____ (that you will remove) will turn easily.
a) If it is necessary, you can tighten the castellated nut on the pin/bolt assembly to a maximum torque of 200 pound-inches (22.6 N.m) until the assembly turns.
F. Prepare to remove the pin/bolt (engine supported).
S 864-014-B00
(1) Ground the airplane to an approved lug.
S 044-061-B00
WARNING: DO THE DEACTIVATION PROCEDURE TO PREVENT THE OPERATION OF THE
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