Installation - Emerson VILTER VSS Installation, Operation And Service Manual

Section 5 • Maintenance/Service
18. Remove shims and spherical washers from com-
pressor mounting locations.
19. Inspect shims and spherical washers for damage,
replace as required.

Installation

20. Install shims and spherical washers on compressor
mounting locations, see Figure 5-7.
21. Install appropriate lifting eyes on top of compres-
sor. See Table 3-1, 3-2, and Figure 3-1 to 3-6
Refer to Bareshaft Compressor Lifting Points and
Weights portion in Section 3 for appropriate lifting
hole sizes, weights and lifting points.
22. Using appropriate lifting device, position compres-
sor on compressor mounting locations on frame.
23. Loosely install studs, lock washers, flat washers and
nuts to secure compressor to frame until alignment
is correct.
24. Check compressor for soft foot. Add or remove
shims as required until measurements are within
+/- 0.002".
25. Tighten nuts to secure compressor to frame, refer
to Appendix A.
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VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S
NOTE
26. If equipped with C-flange, install bolts to se-
cure C-flange to compressor. Tighten bolts, see
Appendix A.
27. Install drive coupling, see appropriate Drive
Coupling Replacement procedure.
28. Install center member, see Drive Center Member
Installation and Alignment procedure.
29. Install coupling guard, see Coupling Guard
Replacement procedure.
30. Install nuts and bolts to secure discharge pipe to oil
separator and compressor.
31. Tighten nuts on 'discharge pipe-to-compressor
flange' first, then tighten nuts on 'discharge pipe-
to-oil separator flange', see Appendix A.
32. Install nuts to secure suction strainer/check valve
assembly to compressor and suction stop valve.
33. 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.
34. Install all lines to compressor.
35. Install all cables to sensors on compressor and
actuator.
36. Perform leak check, see Compressor Unit Leak
Check procedure.