Removing bowl top coupling nut (with special tool)

Removing coupling ring (with special tool)

Aviation Boatswains Mate F - Aviation theories and other practices
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To disassemble the purifier for cleaning, proceed as follows: 1. After stopping the bowl, remove the plugs and insert the lock screws. The two lock screws (one on each side of the purifier) enter the slots in the bowl shell, locking it in position. 2. Using the spring-loaded tee handle on top, un- screw the feed tube until it is free from the paring disk. 3. Loosen the three handwheel cover clamps and swing the bowl casing cover back until it engages the ratchet hook. This will automatically lock the cover in the open position. 4. Unscrew the bowl top coupling nut (fig. 4-36), using the special tool (inset, fig. 4-36) and remove the discharge ring and rubber ring. Figure 4-36.—Removing bowl top coupling nut (with special tool). 4-45

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