If the damaged stud fails to release, STOP and remove the ProTractor™ and proceed to the next stepħ. Repeat this motion several times NOT EXCEEDING 75 IN-LBS OF TORQUE FOR THE PPT125 OR 150 IN-LBS FOR THE PPT188. While holding the opposite end of the ProTractor™ and using a high-quality calibrated torque wrench, slowly and carefully apply torque, first in the clockwise direction, and then in the counterclockwise direction to loosen the damaged stud. Place the included slip-nut over the ProTractor™ and slide it up against the cylinder head. DO NOT INSERT THE PROTRACTOR ANY FURTHER THAN 1/4" depth line. With ProTractor (PPT125), place a mark approximately ¼” from the end and lightly hammer the ProTractor (PPT125) into the remnant, to the ¼” depth line. Toggle the drill on and off five times to remove the burr and clean the tapped hole. Insert the protruding portion of the arbor into drilled hole. Inserting ProTractor (PPT125): Remove the ProPlate™ and place the optional ProCutter (PPC007A) in drill. Repeat this step progressively, exerting more pressure until drill reaches the marked depth.Ħ. 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). 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.ĥ.Ěfter Step 4, run drill continuously at proper RPM (see cutting speeds below). 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. While applying light pressure, activate your drill both on and off five times in one second intervals (ten times if utilizing an air ratchet). SET THE CUTTING EDGE: Important step to avoid drill bit breakage. (This will ensure the cutting edge is not damaged.) *Repeat this procedure for each sequential step in your applicationĤ. 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. Apply one drop of ProLube™ (PPL001).ĪVOID USING PENETRATING OIL/SPRAY OR OTHER LUBRICANTS WHICH ELEVATE CUTTING EDGE TEMPERATURES CAUSING THE BIT TO BURN AND CEASE CUTTING.ģ. Using drill depth gauge, machined into the ProPlate™, set the proper depth of the bit and mark if necessary. Then insert the corresponding ProDrill™ machine grade tooling bit (included) into an air-powered, angled-style drill. Insert the ProBushing™ into the ProPlate™. Torque ProFasteners to a minimum of 20 FT-LBS.Ģ. Mount the ProPlate™ to the cylinder head using the included ProFasteners (PPF008375 or PPF008500) according to the enclosed cylinder head schematic. Need help with the repair? Contact ProMAXX Technical Support 72ġ.
#EXHAUST MANIFOLD BOLT EXTRACTOR KIT FREE#
We proudly provide limited lifetime warranties and free unlimited technical support. All ProMAXX® tools are manufactured in the United States of America from American materials and craftsmanship. GM FIX EXHAUST MANIFOLD BOLT 4.8, 5.3, 6.0, 6.2L-MIKEY IIĬongratulations on your purchase of a ProMAXX® engineered performance device! Our tools have the highest quality and precision in the market delivering the most productive repair.
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