Description of Tool Usage:

This wrench is used on airplanes equipped with the JT9D-7R4D engine. The tool is used with a customer-furnished torque wrench to tighten the mounting bolts that secure the aft lower engine mount to the engine. The A71034-1, -2 or -3 wrenches areall manufactured from a commerciallyprocured Snap-On XH148B wrench.