Emerson VSG, VSSG manual Maintenance/Service, Lock Washer

Models: VSG

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Lock Washer

Section 5 • Maintenance/Service

personnel, remove compressor from frame.

17.Remove shims and spherical washers from com- pressor mounting locations.

18.Inspect shims and spherical washers for damage, replace as required.

INSTALLATION

19.Install shims and spherical washers on compressor mounting locations, see Figure 5-10.

20.Install appropriate lifting eyes on top of compressor.

21.Using appropriate lifting device, position compres- sor on compressor mounting locations on frame.

22.Loosely install studs, lock washers, flat washers and nuts to secure compressor to frame until alignment is correct.

23.Check compressor for soft foot. Add or remove shims as required until measurements are within +/- 0.002”.

24.Tighten nuts to secure compressor to frame, refer to Appendix A.

25.If equipped with C-flange, install bolts to se- cure C-flange to compressor. Tighten bolts, see Appendix A.

26.If equipped with C-flange, install C-flange coupling, refer to C-flange Coupling Replacement procedure.

27.Install coupling, see Drive Coupling Installation and Alignment procedure .

28.Install coupling guard.

29.Install nuts and bolts to secure discharge pipe to oil separator and compressor.

30.Tighten nuts on ‘discharge pipe-to-compressor flange’ first, then tighten nuts on ‘discharge pipe- to-oil separator flange’, see Appendix A.

31.Install nuts to secure suction strainer/check valve assembly to compressor and suction stop valve.

32.Tighten nuts on ‘suction strainer/check valve as- sembly-to-compressor’ first, then tighten nuts on ‘suction strainer/check valve assembly-to-suction stop valve’, refer to Appendix A.

33.Install all lines to compressor.

34.Install all cables to sensors on compressor and actuator.

35.Perform leak check, see Compressor Unit Leak Check procedure.

Compressor

Nut

Lock Washer

Flat Washer

Spherical

FrameShim Washer

Assembly

Manual background Stud

Flat Washer

Manual background Lock Washer

Manual background Nut

Figure 5-10. Compressor Replacement and Hardware Assembly (Models 2401-3001 Shown)

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

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Page 73
Image 73
Emerson VSG, VSSG manual Maintenance/Service, Lock Washer