From inside (document excerpt):
Form No. 106137 Parts List & Operating Instructions for: 7920 Lower Ball Joint Adapter Set Application: 1996 and newer GM 4WD 1/2- and 3/4-ton Pickups, Suburbans, and Yukons / Tahoes No. 222306 Receiving Tube No. 222307 Receiving Tube No. 204508A Receiving Cup Safety Precautions Caution: To prevent personal injury when using these tools, · Wear eye protection that meets the requirements of ANSI Z87.1 and OSHA.
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· Before repairing a vehicle, block the wheels to prevent the vehicle from moving. · Check the final alignment of tooling and components before using a C-frame press to exert pressure. Shaded areas reflect the last revisions made to this form. Sheet No. SPX Corporation 1 of 1 Rev. B, 12-27-06 Issue Date: Parts List & Operating Instructions Form No. 106137, Sheet 1 of 1, Back Operating Instructions 1. Position the tools as shown to remove or install the upper or lower ball joint. Note for Installation: Clean the control arm or knuckle, and coat the I.D. with a suitable lubricant. 2. Tighten the forcing screw until it meets the cup, and check the alignment of all tooling and components. Continue tightening the forcing screw until the ball joint is removed or installed. C-frame (No. 7248; not included) No. 222306 Receiving Tube Installing Adapter (No. 305227; not included; part of No. 7249 Ball Joint Set) Removing the Lower Ball Joint No. 204508A Receiving Cup C-frame (No. 7248; not included) No. 222307 Receiving Tube Installing Adapter (No. 305227; not included; part of No. 7249 Ball Joint Set) Installing the Lower Ball Joint …