Emerson VSG & VSSG Spezifikationen PDF herunterladen (Seite 29)

100

Maintenance

Gas Compression "Maintenance and Inspection Schedule"

4/29/2009

R R R R R R R

S S S S S S S S S S S S S

R R R R R R R R R R R R R R

I I I I I I I I I I I I I I

R R R R

I I I I I I I I I I I I I I

I I I I I I I

Key: (I) Inspect. (R) Replace. (S) Sample.

(2) Note: The life of the compressor will be increased by purging the compressor unit with dry nitrogen or sweet, dry natural gas at

shutdown.

GROUP

CONTROL

CALIBRATION

120,000

5,000

90,000

100,000

BASED ON DRY CLEAN GAS

50,000

60,000

70,000

200

10,000

20,000

Coalescing Elements

Coupling Alignment

and Integrity

40,000

Oil Change

Oil Analysis (1)

Oil Filters

Oil Strainer

INSPECTION

MAINTENANCE

ITEM

COMPRESSOR (2)

RTD's

Inspect Compressor

Bearings

OIL CIRCUIT

PACKAGE

Suction Screen

SERVICE INTERVAL (HOURS)

30,000

110,000

80,000

I I I II I

(1) Note: Oil Analysis/Sampling is based on the gas stream. It is at the customer's discretion to increase the time period between oil

sampling if contamination of oil is unlikely, and to decrease the time period between oil sampling if oil contamination is likely or

evident. An oil sample must be taken when there is reason to believe the oil is contaminated anytime during operation. In landfill,

corrosive, and wet gas conditions, oil sampling is recommended every 3-4 months.

The life of the oil is directly affected by the quality of the gas. Proper separation of any liquids must be accomplished to prevent

droplets of liquid at the compressor suction. The discharge temperature of the compressor must be kept a minimum of 30°F above

the discharge gas dew point to prevent the condensing of liquids in the oil separator. The oil separator shell and legs must be

insulated when the gas stream has a high probability of having condensables.

I II I I I

Transducers

NOTE: See Motor Manual for proper lubrication procedures and service intervals.

Gas Compression Maintenance and Inspection Schedule

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