TM 9-2320-209-20-3-3 18-94. STIFFLEG JACK ASSEMBLY REMOVAL, REPAIR, AND REPLACEMENT (TRUCK M756A2). NOTE This task is the same for the right and left stiffleg jack assemblies. This task is shown for the left stiffleg jack assembly. TOOLS : Pliers SUPPLIES : None PERSONNEL: One EQUIPMENT CONDITION : Truck parked , engine off, handbrake set , wheels chocked. a. Removal. 1. Unhook and pull out safety pin (1). 2. Pull tee locking pin (2) out until stiffleg jack assembly (3) is free. 3. Pull stiffleg jack assembly (3) out of storage compartment. GO TO FRAME 2 18-517