Emerson VSG & VSSG Specifications download pdf (Page 36)

6. Manually open the stop valve on the oil

bleed return line from the element section

and open the expansion valve 1/2 of a turn.

See Figure 7.

FIGURE 7.

OIL SEPARATOR BLEED LINE

NOTE:

The purpose of the oil bleed return assembly

is to collect any oil that passes through the

oil separating element and returns that oil to

the compressor. The hand expansion valve

should be adjusted to prevent an oil level

from forming in the sight glass when the

compressor is at 100% capacity. Generally

1/2 to 1 turn open is satisfactory.

7. Open 1/4” high pressure gas line

valve piped to oil injection line just

enough to quiet compressor at 100%

capacity.

E. Compressor Pre Start-Up Check List

Before proceeding with actual starting of

the compressor, the items listed on the “Pre

Start-Up Check List” must be verified. Time

and money will be saved before the Vilter

start-up technician arrives. (See next page.)

Operation

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Sarip hidayat 20 Oct 2025 | 11:04:27

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Emerson VSG & VSSG Specifications Page 36