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TM 9-254
3-23.
Level Assembly and Cover Assembly Leakage Test - Continued
KEY to figure 3-49:
1.
Container of clear water
4.
Level vial
2.
Lamp shell
5.
Level assembly
3.
Fabricated leak test adapter
Figure 3-49. Leak Testing Level Assembly
(11) Remove four wing nuts (5), four machine screws (3), and level assembly (7) from fabricated leak test
adapter (4).
(12) If air bubbles were detected, repair level assembly as required and repeat the level assembly leakage
test.
(13) If air bubbles were not detected, use a clean, dry cloth to dry level assembly.
3-52
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