18.11.2014 Views

STANDARD HANDBOOK OF PETROLEUM & NATURAL GAS ...

STANDARD HANDBOOK OF PETROLEUM & NATURAL GAS ...

STANDARD HANDBOOK OF PETROLEUM & NATURAL GAS ...

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

546 Drilling and Well Completions<br />

Excessive effort to<br />

rotota (if so equipped)<br />

Fluid leaha (units w<br />

hydraulic snubber)<br />

Loose pin retainers<br />

Pin wear ond pin retain<br />

Wear and cracks<br />

Wear and cracks<br />

MAINTENANCE:<br />

1. Keep clean.<br />

2. Grease coat wear surfaces.<br />

3. On units with hydraulic snubber check oil level and<br />

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

4. Oil pins not accessible to grease lubrication.<br />

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

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

Figure 4-22. Link adapter [lo].<br />

Pin weor ond crocks<br />

Pin tit ond crocks<br />

Excessive extension from<br />

orrd (condition of $prlnp)<br />

fluid leak (units with hydroulic snub<br />

Wear ond cracks<br />

MAINTENANCE<br />

1. Keep clean.<br />

2. Grease coat latching mechanism, link arms, and saddle.<br />

3. Lube all grease fittings.<br />

4. On units with hydraulic snubber check oil level and change<br />

oil at intervals recommended by manufacturer.<br />

5. Oil pins not accessible to grease lubrication.<br />

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

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

Figure 4-23. Drilling hook [lo].

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!