Air Valve Spring
Air Valve Spring Adjustment:
1. Loosen the lock screw, and turn the tension adjusting screw counter clockwise until the air valve opens part of the way.
2. Turn the tension adjusting screw clockwise until the air valve just closes. Then, turn the adjusting screw clockwise the number of turns specified, refer to SPECIFICATIONS for correct setting.
3. Tighten lock screw, and apply lithium base grease to lubricate the contact area.