AOpen DE7200 Series Instrucciones de operaciones descargar pdf (Pagina 66)

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5-4 31 Dec 13

DE-7200VFDCentrifuge

GEARBOX OIL LEVEL CHECK (CONT’D)

4. Rotate gearbox until the housing marks are at top dead center (Figure 5-1).

Note! Placing a straight edge between grease fitting and housing markings will

help align marks at top dead center.

5. Remove fill and vent plugs, and check that oil level is at fill plug opening. If level is low,

replenish with recommended oil.

6. Re-install fill and vent plugs, and tighten securely.

7. Close and secure top cover.

Figure 5-1. Gearbox Oil Level Check

GEARBOX OIL CHANGE

1. Shut down centrifuge, and lock out and tag out electric power.

WARNING! WHILE OPENING AND CLOSING THE CENTRIFUGE COVER,

PERSONNEL MUST ENSURE THAT ALL BODY LIMBS AND ANY OTHER

ITEMS ARE CLEAR OF THE COVER GAP. TWO OPERATORS MUST BE USED,

WITH BOTH HANDS ON THE COVER HANDLES AT ALL TIMES. DERRICK

RECOMMENDS HAVING A HOIST AVAILABLE IF ADDITIONAL ASSISTANCE

IS DESIRED DURING THE OPENING/CLOSING PROCEDURE.

2. Remove screws securing top cover to centrifuge, and open cover as described at the

beginning of this section.

3. Place a suitable container capable of receiving 5 quarts (4.9 liters) of oil beneath gearbox.

4. Rotate gearbox until one drain plug is at bottom of gearbox.

5. Remove vent and fill plugs at top of gearbox to facilitate draining.

6. Remove drain plug at bottom of gearbox to drain oil.

7. After fully draining gearbox, reinstall and tighten drain plug.

8. Rotate gearbox until fill and vent plugs are positioned as described in Gearbox Oil Level

Check.

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AOpen DE7200 Series Instrucciones de operaciones Pagina 66