is located interiorly of the wick holder and extends or runs vertically upwardly along the interior or center of the central wick lubricator pad with the outlet opening 88 u2032 thereof terminating at the upper wick face 36 u2032 of the wick pad 36 the outlet tube 88 assumes the same shape or curvature as that of the wick lubricator itself preferably a cavity or reservoir 90 is formed adjacent and in close proximity to the upper wick face 36 u2032 into which the outlet opening 88 u2032 of the outlet tube 88 feeds so that oil delivered through the outlet tube 88 may be temporarily stored therein for providing a more consistent and optimized lubrication of the wick face 36 u2032 the inlet valve 82 u2032 with ball check of the pump assembly 82 of the modification 80 of fig8 and 9 may alternatively like the outlet valve 82 u2033 be located interiorly of the lubricating wick pad as seen in fig1 in this case the inlet valve 82 u2032 extends substantially horizontally from the main housing of the pump assembly 82 and into the interior of the wick pad juxtapositioned thereat the intake opening of the inlet valve 82 u2032 extends to and cooperates with an interiorly located pocket or cavity 92 that is formed in the interior of the lower end portion of the wick by which oil.