HP80 Valve Stud Torque

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The valve studs on pump model HP80 must be torqued every 90 days. Failure to follow this procedure may void your warranty and cause serious damage to the pump.

  1. Remove the acorn nut from the top of the valve stud.
  2. Use a 6 mm allen wrench to torque the valve stud to 15-17 ft/lbs.
  3. Reattah the acorn nut and torque to 29-33 ft/lbs.

* NOTE: Valve cover bolts must be kept tight during this procedure.