Rumble Tuff EZ Express Manual Del Usuario página 25

6. Assemble the Manual Pump Diaphragm Kit
Increase
Note: If an adjustment is necessary, turn the round knob of the Adjusting
Valve to a comfortable suction level.
Caution:
Do not over-turn the Adjusting Valve, as it will cause the Adjusting Valve to bulge and leak air,
creating a suction problem. Make sure the gap opening on top of the Adjusting Valve is lined
up properly on the top of the Valve Stem so the Adjusting Valve turns smoothly. If necessary,
re-adjust the Adjusting Valve by turning it back and forth a few times.
Decrease
23