Emerson VSG, VSSG manual Maintenance/Service, View From Back of Oil Pump Strainer

Section 5 • Maintenance/Service

on pipe stub.

13.Remove tubing.

14.Position cover plate and flat washer on hold-down rod on end of the coalescing filter.

15.Install nut to secure flat washer and cover plate to coalescing filter. Tighten nut to 25 ft-lbs.

16.Install second nut to prevent first nut from moving.

17.Repeat steps 10 to 16 for installing additional co- alescing filters.

18.Position oil separator manhole cover on oil separa- tor vessel.

19.Install bolts to secure oil separator manhole cover to oil separator vessel.

20.Tighten bolts, see Appendix A.

21.Perform Compressor Unit Leak Check procedure.

Oil Pump Strainer

WARNING

Avoid skin contact with any condensate or oil. Wear rubber gloves and a face shield when working with condensate or oil. Failure to comply may result in serious injury or death.

1.Shut down the compressor unit, refer to Stopping/ Restarting procedure in Section 4.

2.Turn disconnect switches to the OFF position for the compressor unit and oil pump motor starter, if equipped.

3.Close shut-off valves located before the strainer and at the oil filter(s) inlet.

4.Position drain pan under drain valve.

5.Open strainer drain valve and allow oil to complete- ly drain, see Figure 5-7.

6.Remove bolts securing strainer cover to strainer. Remove strainer cover, gasket and element. Retain gasket.

7.Inspect gasket for damage, replace as required.

NOTICE

Dispose of the oil in a appropriate manner following all Local, State and Federal ordinances regarding the disposal of used oil.

To clean the oil pump strainer, proceed with the follow- ing steps.

WARNING

At shutdown, open any other valves that may trap liquids to prevent serious injury and/or damage to equipment.

WARNING

Follow local lockout/tagout procedure. Failure to comply may result in serious injury, death and/or damage to equipment.

View From Back of Oil Pump Strainer

8.Wash element in solvent and blow it with clean air.

9.Inspect element for damage, replace as required.

10.Clean strainer cavity with clean lint-free cloth.

11.Install in reverse order of removal. For torque speci- fications, see Appendix A.

12.Close strainer drain valve.

13.Open shut-off valves.

14.Check replaced components for leaks.

15.Turn disconnect switches to the ON position for the compressor unit and oil pump motor starter, if equipped.

16.Start compressor unit.

Bolts Nuts Strainer Cover

Strainer	Oil Pump
Drain Valve	Strainer

Figure 5-7. Oil Pump Strainer and Drain Valve

VSG/VSSG • Installation, Operation and Maintenance Manual •Vilter/Emerson • 35391SSG 5 – 9