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After 1pm EST, Expedited Orders are NOT Guaranteed to Ship Same Day | UPS Ground Processing Time is 1-3 Business Days
After 1pm EST Expedited Orders are NOT Guaranteed to Ship Same Day | UPS Ground Processing Time is 1-3 Business Days

Payton User Guide

Payton User Guide


  1. Mount the ProPlate™ to the cylinder head using the included ProFasteners (PPF008375 or PPF008500) according to the enclosed cylinder head schematic. Torque ProFasteners to a minimum of 20 FT-LBS.

  2. Insert the ProBushing™ into the ProPlate™. Then insert the corresponding ProDrill™ machine grade tooling bit (included) into an air-powered, angled-style drill. Using drill depth gauge, machined into the ProPlate™, set the proper depth of the bit and mark if necessary. Apply one drop of ProLube™ (PPL001). AVOID USING PENETRATING OIL/SPRAY OR OTHER LUBRICANTS WHICH ELEVATE CUTTING EDGE TEMPERATURES CAUSING THE BIT TO BURN AND CEASE CUTTING.

  3. Insert the prepared ProDrill™ into the mounted ProBushing™ by slowly and manually turning the drill chuck until the ProDrill™ slips into the bushing and makes contact with the surface of the damaged stud. (This will ensure the cutting edge is not damaged.) *Repeat this procedure for each sequential step in your application

  4. SET THE CUTTING EDGE: Important step to avoid drill bit breakage. While applying light pressure, activate your drill both on and off five times in one second intervals (ten times if utilizing an air ratchet). This is the MOST CRITICAL step of this repair, creating precise alignment (a seat) for the tooling bit to stay on center and not follow the angular broken surface of the stud. Moreover, this step allows the surface of the stud to conform to the cutting edge of the bit, distributing the load evenly across the entire cutting edge, which is essential for cutting extremely hard surfaces and extending the life of the cutting tool.

  5. After Step 4, run drill continuously at proper RPM (see cutting speeds below). While the bit is turning, slightly extract the bit in and out of the damaged stud to “clean” or “excavate” cutting debris from the stud (commonly referred to as peck drilling). Repeat this step progressively, exerting more pressure until drill reaches the marked depth.


For Saturday delivery or special shipping instructions, please contact ProMAXX Tool M-F 8 a.m. – 5 p.m. EST at 724-941-0941. Expedited Orders Placed by 1pm EST will be Processed Same Day | UPS Ground Processing Time is 1-3 Business Days


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