TM 5-4220-227-14
6-7. View Port Assembly (Cont).
b. Repair. (figure 6-5)
NOTE
The view port assembly is disassembled to remove.
(1)
Remove view port assembly (para. a. above).
(2)
Clean all components using nonionic detergent cleaner and rinse with clean distilled water.
(3)
Inspect mounting flange (1) and replace if bent, cracked, or otherwise damaged.
(4)
Inspect window lens (2) for crack and replace if cracked or otherwise damaged.
(5)
Apply grease to gasket (3) and preformed packing (4).
(6)
Install view port assembly (para. a. above).
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