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Generac EcoGen 6kW Generator / GT-530 — Adjusting GT-530 Valve Clearance

Adjustments · Engine valve train

For the Generac EcoGen 6kW Generator / GT-530, from the Generac owner's manual.

Applies to: Generac EcoGen 6kW Generator, Generac GT-530 engine, Generac GT-530 engine

Before you start

  • Contact dealer if uncomfortable performing this procedure or lacking proper tools

Procedure

  1. Remove spark plug wires and spark plugs
  2. Rotate the flywheel clockwise to bring the piston to Top Dead Center of compression stroke
  3. Remove the four valve cover screws and the valve cover
  4. Loosen the rocker jam nut and turn the pivot ball stud while checking clearance with a feeler gauge
  5. Set clearance to 0.002-0.004 inch (0.05-0.1 mm) and hold pivot stud while tightening jam nut to 174 in/lbs
  6. Recheck clearance after tightening
  7. Install a new valve cover gasket and reattach the valve cover
  8. Reinstall spark plugs and reattach spark plug wires

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Valve clearance 0.002-0.004 inch (0.05-0.1 mm)
  • Jam nut torque 174 in/lbs

Full service-parts list: Generac EcoGen 6kW 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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