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STANDARD HANDBOOK OF PETROLEUM & NATURAL GAS ...

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550 Drilling and Well Completions<br />

Toper wear and crackr<br />

Reduction at area<br />

Wear and cracks<br />

wear<br />

Cracks and deformation<br />

MAINTENANCE:<br />

1. Keep clean.<br />

2. Lubricate pivot and pin.<br />

3. Remove any rust and weather protect as required.<br />

4. Check and secure pins and fasteners.<br />

Flgure 4-28. Swivel bail adapter [lo].<br />

Wear and cracks<br />

Bolts<br />

Packing<br />

Cracks and deformation<br />

Pin weor<br />

Pin retainer<br />

Cracks<br />

MAINTENANCE:<br />

1. Keep clean.<br />

2.<br />

3.<br />

4.<br />

5.<br />

6.<br />

7.<br />

8.<br />

Inspect pin and box<br />

threads in accordance<br />

with API.RP-76 fw<br />

tool joints<br />

Grease coat bail throat wear surface.<br />

Lubricate bail pins, oil seals, upper bearing, and packing.<br />

Check oil level as recommended by manufacturer.<br />

Change oil at intervals recommended by manufacturer.<br />

Remove any rust and weather protect as required.<br />

Check and secure fasteners.<br />

Protect threads at the gooseneck inlet and on the coupling<br />

nipple when not assembled during handling. Thread protection<br />

should be used.<br />

Figure 4-29. Rotary swivel [lo].

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