Emerson VSG & VSSG Specifications download pdf (Page 7)

Long Term Storage Requirements

Note: At the time of purchase Vilter Manufacturing must be notified.

1. The compressor(s) must be stored in a heated building, preferably air conditioned to control

moisture, to prevent corrosion of the main rotor shaft and for the compressor. The slide valve

(volume ratio& capacity) motors and gears.

2. The main rotor shaft must be coated with light grease to prevent rusting.

3. (For Screw Compressors) The volume and capacity slide valve motor enclosures should have

corrosion inhibitors installed in them and the enclosures should be sealed. On a six month basis

(depending on relative humidity), check and replace inhibitors as necessary, and check for

signs of corrosion.

4. Before leaving Vilter Manufacturing the compressor is evacuated and pressurized, with dry

nitrogen, to 5 psig. Pressure must be monitored with the gauge (provided by Vilter) and checked

on a regular basis (at least monthly).

5. The rotor shaft must be rotated every 3 months to prevent flat spots from developing on the

bearing surfaces and to keep the shaft seal lubricated.

6. A log should be maintained indicating that the above procedures have been completed.

When the compressor is installed.

A. Look into the suction and discharge connections and inspect for any signs of corrosion on parts.

B. Prelube the compressor with the main oil pump and rotate by hand several revolutions prior to

start.

C. Notify the Vilter Warranty Department when the compressor is started.

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Emerson VSG & VSSG Specifications Page 7