HUNTING X-Over, Manual, Page: 11 / 20

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Hunting Energy Services (Well Intervention) Ltd
4.2 Annually

Disassemble and inspect as per the routine maintenance procedure.

Renew all o-rings, inspect sealing surfaces for wear, corrosion or damage.

Rebuild and pressure test to Maximum Working Pressure.
4.3 5 Year Major Survey

Disassemble and inspect as per the routine maintenance procedure.

Dimensional and thickness report.

Magnetic Particle Inspection (MPI) of all parts.

Rebuild using seal kit and any necessary parts.

Hydrostatic body test to Maximum Working Pressure.

Third party certificate of final test and inspection and certificate of conformity.
4.4 Recommended Lubricants/Chemicals:

Grease

Grease anti seize

Lubriplate

WD40