Mobile WiMAX/TD-LTE RRH-2WB Installation Manual/Ver.2.0© SAMSUNG Electronics Co., Ltd. 2-23Fixing the Tower type RRH-2WBFix tower type RRH-2WB in the following steps.1) Fixing the RRH-2WB Fixing Support to TowerFigure 2.22 Fixing Tower Type RRH-2WB (1)a) Tighten the M8 stud bolts to the RRH-2WB fixing support (front side) fixing holes with plane washers,spring washers, and hex. nuts.M8 Hex. NutM8 Spring WasherM8 Plane WasherM8 Stud BoltRRH-2WB Fixing Support(Front Side)M8 Plane WasherM8 Spring WasherM8 Hex. Nut