TM 9-2320-209-10-1 4-7. OPERATION OF FRONT WINCH. a. General. Any of the 2 l/2-ton 6 x 6 trucks with a front winch. The front winch is mounted on attached to the left and right side rail extensions. covered in this manual can be equipped the front of the truck on support brackets Power for operation is supplied through a propeller shaft extending from the transmission power takeoff. The transmission power takeoff has high, low, and reverse gears, with neutral points between these positions. It has an internal automatic safety brake to hold the winch load when the power takeoff is being shifted. b. Before Operating. FRAME 1 WARNING Do not operate winch with a shear pin other than the aluminum pin shown in the parts list for winch being used. Always stand clear of the winch cable under load. A snapped cable can cause serious injury. 1. Check shear pin (1) and make sure that it is the aluminum pin called for in parts list. 4-58