Figure 4-4. 6 Inch Butterfly Valve Assembly Disassembly.

6 Inch Butterfly Valve Assembly Maintenance

6 Inch Butterfly Valve Assembly Maintenance . (Continued)

TM-10-4320-303-13 Tactical Water Distribution Equipment System (TDWS) Set 10-Mile Segement Model 06749-0813-81 110-00-0000 919 and 10 Manual
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TM 10-4320-303-13 Figure 4-4. 6 Inch Butterfly Valve Assembly Disassembly. b. Remove two screws (5) and remove mounting plate (4) from upper housing (6). c. Remove two nuts (7) and bolts (8). d. Carefully separate upper housing (6) and lower housing (9). e. Remove lower stem (10) and preformed packing (11) from lower housing (9). Discard preformed packing (11). f. Remove body (12) from upper housing (6). g. Remove disc (13) from body (12). h. Remove washer (14) and preformed packing (15) from upper stem (16). Discard preformed packing (15). i. Remove upper stem (16) from upper housing (6). 4.10.2.3 Inspection. a. Inspect handle assembly (3) for cracks, damage, and smooth operation of handle. b. Inspect mounting plate (4), upper housing (6) and lower housing (9) for cracks, holes, or damage. c. Inspect lower stem (10), body (12), disc (13), and upper stem (16) for corrosion, cracks, holes, or damage. 4-17

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