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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 ////////////////////////
b) Help the door open correctly down to the fully open position. 3) Loosen the screws (4 locations) that attach the hinges to
 the door. 4) Move the door up or down to get the correct clearance. 5) Tighten the screws (4 locations). 6) Drill a 1/16 inch hole through the hinge, shim, filler, and
 door at the two roll pin holes that were not used in each
 hinge. 7) Apply primer to the roll pins. 8) Lightly hit the roll pins through the new holes in the
 hinges until they are smooth with the outer surface of the door. 9) Close the door.
 S 222-035-C00
 (4)  
Make sure the door bottom edge is smooth with the outer surface of the fan cowl panel |0.025 inch (|0.635 mm).

 (a)  
If the door bottom edge is not in the limits, adjust the door as follows: 1) Remove the door. 2) Add or remove the shims between the fillers and hinges to

 make the door smooth with the outer surface of the cowl panel. 3) Apply a layer of primer to all shims that do not have primer on them. 4) Install the door.
 S 222-036-C00
 (5)  
Make sure there is no free play of the door when the latch is fully locked.

 (a)  
If there is free play of the door, adjust the latch as follows:

 1)  Open the door. a) Push the large end of each latch into the access door. b) Help the door open correctly down to the fully open
 position.
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 71-11-04
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 ////////////////////////
2)  Add or remove the shims between the doubler and striker plate to remove the free play.
 3)  If it is necessary to install shims, install the shims as follows: a) Apply primer to all shims that do not have primer on
 them. b) Put the shim in the correct position. c) Apply a layer of sealant (BMS 5-95) on the bottom side
 of the screw heads. d) Install the screws. e) Install and tighten the collar. f) Clean the unwanted sealant from the screw head. g) Apply a fillet seal on the collar with DC 93-006
 sealant.
 4) Close the door.

 S 222-037-C00
 (6)  Make sure the door top, forward, and aft edges are smooth with the outer surface of the fan cowl panel |0.025 inches (|0.635 mm).
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 71-11-04
 ALL  ú ú C01 Page 209 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
OIL TANK ACCESS/PRESSURE RELIEF DOOR - MAINTENANCE PRACTICES
____________________________________________________________
 1.  General
_______
 A.  This procedure contains three tasks. The first task is to do a release test of the pressure relief door for the oil tank. The second task is to remove and install the door and latch. The third task is to adjust the door to make it aerodynamically smooth and for latch free play.
 TASK 71-11-05-722-001-C00
 2.  The Latch Release Test (Fig. 201)
______________________
 A.  Equipment
 (1)  
Gage, Dial Pull - 100 pound (450N) capacity

 (2)  
B71044-1 Adapter - Load Test, Pressure Relief Door Latch

 B.  
Access

 (1)  
Location Zones
 506 Engine No. 1 - Right Fan Cowl
 606 Engine No. 2 - Right Fan Cowl

 (2)  
Access Panels
 5745/5845 Access Door Oil Tank

 C.  
Do the Latch Release test.

 S 012-002-C00
 (1)  Open the oil tank access and pressure relief door.
 (a)  
Put a screwdriver blade into the latch handle slots.
　
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