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STANDARD HANDBOOK OF PETROLEUM & NATURAL GAS ...

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552 Drilling and Well Completions<br />

Cracks in last threod<br />

Inspect power unit in<br />

accordance with<br />

manutocturer's<br />

rccomendations<br />

Thread<br />

Freedom of shaft<br />

Inspect pin and box in accordonce<br />

with' API RP-7G tor tool joints<br />

MAINTENANCE:<br />

1. Keep clean.<br />

2. Use thread compound on pin and box, and apply proper<br />

makeup toque in accordance with API RP-7G recommendations.<br />

3. Maintain power unit in accordance with manufacturer's<br />

recommendations.<br />

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

5. Check and secure fasteners.<br />

Figure 4-32. Kelly spinner [lo].<br />

The load carrying structure should be checked for crocks<br />

and deformation. All fasteners should be checked for<br />

proper tightness.<br />

Check top and bottom<br />

diameters and taper<br />

Check master bushing<br />

consult manufacturer<br />

0.0. and turntable<br />

bore tor wear<br />

MAINTENANCE:<br />

1. Keep clean.<br />

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

Figure 4-33. Rotary table [lo].

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