Loosening and unscrewing hexagon collar nut on joint flange - AR35.31-P-0550-05T

Fig 1: Identifying Pin Wrench (129 589 01 07 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

1. Mount pin wrench (040) on joint flange (41). Loosen hexagon-collar nut using the socket (040a) and remove.

For better control when loosening the hexagon collar nut press in a shop-made bushing into the socket (040a). Do not remove the collar protection when slackening the hexagon collar nut.

Fig 2: Loosening Hexagon-Collar Nut

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.