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Generac GT-530 / GT-530/990/999 — Out of Service / Removal from Service

Maintenance · generator

For the Generac GT-530 / GT-530/990/999, from the Generac owner's manual.

Applies to: Generac GT-530 engine, Generac GT-530 engine

Before you start

  • Required if out of service longer than 90 days and not exercised every 7 days

Procedure

  1. Start engine and let it warm up
  2. Close fuel shutoff valve and allow unit to shut down
  3. Switch to OFF position, set main circuit breaker OFF
  4. Set AUTO/OFF/MANUAL to OFF, turn off utility power, remove 7.5A fuse, disconnect battery cables
  5. Drain oil completely while warm and refill crankcase
  6. Attach a tag indicating oil viscosity and classification
  7. Remove spark plugs, spray fogging agent into openings, reinstall
  8. Remove battery and store in a cool, dry room on a wooden board
  9. Clean and wipe the entire generator

Source: Generac owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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