78-31-06
ALL ú ú C01 Page 403 ú Jul 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
FLOATING
HINGE
SEE D
DOOR HINGE
BLOCKER FITTINGS
DOOR
CLAMPED
HINGE
SEE E
FWD
BLOCKER DOOR INSTALLATION ON LEFT THRUST REVERSER (EXAMPLE)
C
NOTE: FOR BLOCKER DOOR INSTALLATIONS ON THE RIGHT THRUST REVERSER, THE CLAMPED HINGE IS AT THE TOP POSITION AND THE FLOATING HINGE IS AT THE BOTTOM POSITION. MAKE SURE THE BOLT HEADS ARE INBOARD ON THE BLOCKER DOOR.
2
IF THERE IS SIDE MOVEMENT OF THE DOORWITH THE CORRECT TORQUE ON THE NUT, INSTALL A FOURTH WASHER BELOW THE NUT
3
SL 78-30 INSTALLATION WITH NEW ANTI-ROTATION CLIP AND NEW BOLT AND NUT ORIENTATION
SL 78-30 WITH NEW BOLT AND NUT ORIENTATION
4
NUT
BOLT WASHER
BUSHING WASHER
BUSHING BUSHING
WASHER
BUSHING ANTI-ROTATIONWASHER CLIP
BOLT NUT
ORIGINAL RECOMMENDED CONFIGURATION CONFIGURATION 3 FLOATING HINGE D
NUT
WASHER BOLT
2
WASHER
BUSHING
WASHER
BUSHING
WASHER BOLT
2 NUT
ORIGINAL RECOMMENDED CONFIGURATION CONFIGURATION 4 CLAMPED HINGE E
Blocker Door Installation
Figure 401 (Sheet 2)
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78-31-06
ALL ú ú C01 Page 404 ú Nov 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(6)
Get access to the blocker door from the forward end of the fan duct.
S 024-008-C00
(7)
Remove the blocker door from the thrust reverser sleeve (Fig. 401).
(a)
Disconnect the drag link from the pivot link.
(b)
Move the blocker door from the inner surface of the sleeve, until you get access to the bolts in the door hinges.
(c)
Remove the bolts, nuts, washers and bushings at the hinges.
(d)
Remove the blocker door from the hinge fittings.
TASK 78-31-06-404-010-C00
3. Blocker Door Installation
_________________________
A. Equipment
(1)
Ladder - 6 foot
B.
References
(1)
AMM 71-11-02/201, Fan Cowl Panels
(2)
AMM 78-31-00/201, Thrust Reverser System
(3)
AMM 78-31-00/501, Thrust Reverser System
C.
Access
(1)
Location Zones
504 Engine No. 1 - Thrust Reverser System
505 Engine No. 1 - Thrust Reverser System
604 Engine No. 2 - Thrust Reverser System
605 Engine No. 2 - Thrust Reverser System
(2)
Access Panels
5738L Engine No. 1 - Left Thrust Reverser
5739L Engine No. 1 - Right Thrust Reverser
5838R Engine No. 2 - Left Thrust Reverser
5839R Engine No. 2 - Right Thrust Reverser
D.
Blocker Door Installation
S 424-008-C00
(1) Install the blocker door on the thrust reverser sleeve.
(a) Put the blocker door in the hinge fittings.
CAUTION: MAKE SURE YOU CORRECTLY INSTALL THE ANTI-ROTATION CLIPS.
_______ IF YOU DO NOT DO THIS, THE ANTI-ROTATION CLIPS CAN BECOME LOOSE AND TURN OUT OF POSITION.
(b) Install the bolts, washers, anti-rotation clip, bushings, and nuts at the blocker door hinges.
NOTE: Use two plain bushings on the connection at the
____ floating hinge. Use one plain bushing at the clamped hinge.
(c) Tighten the nuts to 50-80 pound-inches.
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78-31-06
ALL ú ú C02 Page 405 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
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