Microsoft Word - SOP - Hands-On Sessions

P-015

Maintenance Procedure Non-Standard Oil Draining

Page 14 of 20

2.d. Oil Draining Alternate Configurations Not Listed Previously

STEP/ACTION

COMMENT

17. Open and hold open spring return drain valve identified in the isolation procedure.

NOTE: The use of any device which bypasses the automatic closing feature of drain valve identified in the isolation procedure is a violation of company policy and grounds for dismissal. CAUTION: Opening drain valve identified in the isolation procedure too fast or too far can cause splatter of ammonia and oil mixture from oil recovery container. Note when the flow of oil stops then continue.

18. Slowly throttle open spring return drain valve identified in the isolation procedure.

19. When finished draining oil, close spring return drain valve identified in the isolation procedure. 20. Allow spring return drain valve identified in the isolation procedure to close. 21. Slowly reopen spring return drain valve identified in the isolation procedure to relieve any pressure buildup, then allow spring return drain valve identified in the isolation procedure to close. 22. Remove the oil recovery container.

Continue immediately, delays may lead to hydrostatic damage.

Oil containing Ammonia, drained from an Ammonia Refrigeration System may be considered hazardous. The disposal of refrigeration oil is strictly regulated. Waste oil is left outside the Engine Room to gas off for 2-4 hours, then measured and the quantity recorded in the Master Maintenance Log. Then the oil can be disposed of properly. Please see your supervisor if you have questions concerning proper disposal. NOTE: Log entries must contain the name of a person making the entry as well as the time, date, and pertinent details of the entry. Be specific! See Task # 3.d. “Oil Draining Alternate Configurations Not Listed Previously” of this Maintenance Procedure.

23. Document amount of oil drained in log.

25. Log “Oil Draining Alternate Configurations Not Listed Previously” < equipment drained > into the Master Maintenance Log and Daily Rounds Log.

26. When service / maintenance is complete, return the control group to normal operation by performing Task #3.d., “Returning an Alternate Configurations Not Listed Previously”.

Revision 1, November 1, 2023

This Copy Printed: November 1, 2023

MP-015 Non-Standard Oil Draining.doc Last Reviewed: October 30, 2023