Air Valve Spring
- Use 3/32" (2.38 mm) Allen wrench to loosen lock screw. Turn tension adjusting screw counterclockwise until air valve opens part way.
- Turn tension adjusting screw clockwise until air valve just closes. Then turn adjusting screw clockwise specified number of turns. See Fig 1.
- Hold adjusting screw and tighten lock screw. Apply lithium base grease to lubricate contact area.