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1) Check parts for condition, replace as required.
2) Clean the parts with clean, lintfree cloths moistened with cleaning agent (TB 11-003).
3) Make sure all the tools and materials are removed and the work area is clean and free from debris.
4) Coat the threading of attachment screws with Loctite (TB 08-013C) - refer to 20-00-08.
5) Install the non-sealed inspection door and secure with attachment screws.
6) Torque the attachment screws according to the sequence specified on Figure 203.
3. ADJUSTMENT / TEST
None
4. INSPECTION / CHECK
None
5. CLEANING / PAINTING
None
14524000AAAKVZ4002 1 - Nut
2 - Sealant (TB 09-001A)
3 - Sealed inspection door
4 - Screw
5 - Skin
6 - Sealant (TB 09-019A)
Installation of a fuel tank sealed inspection door
Figure 201 - S / N 1 - 1646. 1648 - 1664
14524000AAAKVZ4002 1 - Nut
2 - Sealant (TB 09-001A)
3 - Sealed inspection door
4 - Screw
5 - Skin
6 - Sealant (TB 09-019A)
Installation of a fuel tank sealed inspection door
Figure 201A - S / N 1647 1665 - 9999
Tightening sequence of a fuel tank sealed inspection door
Figure 202
WA
Validity : S / N 1 - 9999 Pre-MOD. 162
52 40 00 (BA) Page
juN20013
Tightening sequence of a wing non-sealed inspection door
Figure 203
6. REPAIR / REPLACEMENT - SEALED INSPECTION DOOR NUT (Figures 204 and 204A)
A. Tools and consumable materials
- Cleaning agent (TB 11-914)
- Anchor nut Z00.N5427218050 (Qty 1)
- Rivet Z00.N5548371069 (Qty 2)
- Screw Z00.N5169911168 (Qty 1)
- Sealant (TB 09-001A)
B. Repair - Removal
1) Remove the inspection door - refer to Paragraph 2.
2) Remove sealant (TB 09-001A) from the defective nut.
CAUTION : EXERCISE EXTREME CARE DURING THE UNCRIMPING OPERATION TO AVOID DAMAGING THE SEALED INSPECTION DOOR.
3) Using a drill dia. 0.28 in (7 mm), remove nut crimping.
4) Remove the sealed nut.
5) Clean any sealant particles from the seating surface of the sealed nut. If necessary, clean the surface with cleaning agent (TB 11-914).
C. Repair - Installation
CAUTION : SINCE THE DIAMETER OF THE REPLACEMENT SEALED NUT IS 0.197 IN (5 MM) GREATER THAN THAT OF THE PREVIOUS NUT, DO NOT FORGET TO MARK THE NUT LOCATION ON THE DOOR EXTERNAL SIDE WITH A RED PAINT LINE TO PREVENT ERRORS DURING DOOR REINSTALLATION.
1) Position nut (1) on sealed inspection door (4). Temporarily secure the nut with a pair of pliers.
2) Using a drill dia. 0.10 in (2.5 mm), counterdrill sealed inspection door (4).
3) Countersink at 100° on the door external side the rivets passage holes to make the heads flush [Drill dia. 0.18 in (4.5 mm)].
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