- 1). Shut off the main water supply to the sprinkler on which you are working.
- 2). Dig a trench surrounding the broken sprinkler. Dig the hole large enough to allow room for maneuvering tools and repair components.
- 3). Position the PVC cutters four to six inches to either side of the break in the sprinkler line. Cut the sprinkler line with the cutters. Position the PVC cutters four to six inches beyond the other side of the break. Cut the sprinkler line. Remove the damaged portion of pipe.
- 4). Cut a piece of pipe to replace the broken portion of sprinkler line. Subtract length from the replacement pipe to accommodate a coupling on each side.
- 5). Clean the ends of the sprinkler line with a rag and clean water. Allow the sprinkler line to dry.
- 6). Assemble the replacement pipe and couplings without PVC cement. Dry fit the assembled pipe and couplings onto the sprinkler line to ensure a proper fit. Remove the assembly from the sprinkler line. Disassemble the pipe and couplings. Clean all pipes and couplings with clean water and a rag. Allow the pipes and couplings to dry.
- 7). Apply PVC primer to the exterior ends of the replacement pipe and interior openings of one side on each coupling. While the primer is wet, apply a coating of PVC cement to each joint. Slip the couplings over the replacement pipe and twist 1/4 turn. Firmly hold the couplings for approximately 30 seconds. Allow the joints to cure for approximately five minutes.
- 8). Coat the interior of the replacement assembly couplings and exterior of the in-ground sprinkler line with PVC primer. While the primer is wet, coat the couplings and sprinkler line with PVC cement. Slide a coupling over one side of the sprinkler line. Twist the assembly 1/4 turn. Bend the opposite side of the sprinkler line to fit into the assembly's open coupling.
- 9). Wipe excess glue from the pipes with a rag. Allow the joints to cure approximately five minutes before turning on the water supply.
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