Cut the punctured part with a sharp knife. Put the nuts on the ends of the pipes; Put the nipple in the place of the cut; Insert the clamping inserts into its holes; ... Do It Yourself Repair Sprinklers? Whether it’s one month or five years after use, a blocked sprinkler is often unrecoverable. This can be due to the quality of the water used. Pierce the ½-inch tubing with a hole punch, then insert a small straight connector. Attach a length of unperforated ¼-inch tubing long enough to reach the location of the micro sprayer. Connect the other end of the ¼-inch tubing to the micro sprayer. Clip the sprayer to a stake and position it in the ground cover.