Directional value operates but spindle does not retract PDF Print E-mail

Probable Cause



Tool or spindle binding in external support. Disengage tool and/or loosen bracket containing support. Realign unit or external support.
Low air pressure. Air pressure should be above 50 psi. Regulate per Eng. Data Bul.
Plunger valve assembly on retract side of manifold closed. Turn retract cam bar knob to make lever arm depress plunger of plunger valve assembly. If plunger does not depress, reset cam follower or lever arm on lever assembly. Ref. Lever Assy. Bul.
Retract feed rate adjustment in manifold closed. Turn retract feed rate knob counterclockwise to open. Adjust.
Drive shaft and spindle coupling bind. Remove spindle assembly and check spline tube for metal building up. File drive spline and spline tube for free slip movement. Lubricate.