(2)
Cowl/Reverser Latching Tool - C78010-1
B. Consumable Materials
(1) Oil - Engine (Ref 70-10-01/201)
C. References
(1)
AMM 71-11-02/201, Fan Cowl Panels
(2)
AMM 78-31-00/201, Thrust Reverser System
D. Access
(1) Location Zones
502/602 Left Fan Cowl
503/603 Right Fan Cowl
504/604 Left Thrust Reverser
505/605 Right Thrust Reverser
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78-31-08
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
COWL/ REVERSER
SEE A
FWD
INLET FITTING
FAN FRAME
GAP A
LOCK COLLAR, FLANGE
A
Fan Duct Cowl and Thrust Reverser Opening Actuator Installation
Figure 401
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ALL ú ú C01 Page 403 ú Mar 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
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(2) Access Panels
5737L/5837R Fan Cowl Assy
5746L/5846R Fan Cowl Assy
5738L/5838R Thrust Reverser Cowl Assy
5739L/5839R Thrust Reverser Cowl Assy
E. Install the actuator (Fig. 401).
S 424-015-C00
(1) Do these steps to install the actuator:
(a)
Let the thrust reverser halves hang free.
(b)
Install the actuator on the fittings on the thrust reverser and the fan frame.
(c)
Do not install the lockwire on the bolts.
(d)
Close all five latches along the bottom centerline of the thrust reverser.
NOTE: With the latch tool, pull the thrust reverser halves
____
together.
(e) Measure the distance A. 1) If the distance is 0.17-0.23 inch (4.3-5.8 mm), do the steps to bleed the actuator.
2) If the distance A is not between 0.17-0.23 inch (4.3-5.8 mm), do these steps to adjust the actuator rod end: a) Open all five latches. b) Disconnect the rod end from the bracket. c) Remove the lockwire from the lock collar flange on the
actuator and the lock key. d) Loosen the lock collar. e) Disengage the key from the slot in the piston. f) If distance A is less than 0.10 inch (2.5 mm), do these
steps:
1. Turn the rod end two full turns into the piston.
_ g) If the distance A is between 0.10-0.17 inch (2.5-4.3 mm), do these steps:
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
1. Adjust the rod end in half-turn increments
_ (one-half turn equals 0.025 inch (0.64 mm)) into the piston.
h) If the distance A is larger than 0.23 inch (5.8 mm), do these steps:
1. Adjust the rod end in half-turn increments
_ (one-half turn equals 0.025 inch (0.64 mm)) out of the piston.
i) Engage the key in the slot on the piston. j) Tighten the lock collar flange to 70-80 pound-inches (7.9-9.0 newton-meters).
k) Do not install the lockwire.
3) Close all five latches.
4) Measure the distance A again.
a) Make sure the distance A is between 0.17-0.23 inch (4.3-5.8 mm). b) If it is necessary, adjust the rod end again. 5) Install the lockwire to the lock collar flange.
S 784-016-C00
(2) Do these steps to bleed the actuator:
(a) Do the Filling and Bleeding Procedure (AMM 78-31-08/401).
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