92 General MaintenanceThe arm mid-height limit switches are located on the front side of the arm.These limit switches do not really need any adjustment other than the target itself. If they ever needadjustment, adjust the target so that the limit switch levers come in contact with the target when thearm rises. The length of the roller levers can also be adjusted for more precision.Figure 3-92 Roller leverAdjusting Tailgate Hooks (Co-Mingle Vehicles)Co-mingle vehicles have 2 tailgates that can move independently of one another. Under each tailgatea hook is provided to lock the tailgate and seal the body. Each hook needs to be greased weekly.When closing both tailgates, the bottom seals of each tailgate must be pressed firmly against the bodyto prevent any spillage when the body is full.To adjust the tension of both tailgate hooks, apply the following procedure:NOTE: These hooks must be adjusted separately. Proceed with the adjustment of any of the 2 tailgatehooks, then with the adjustment of the other one.1. Start the engine and engage the hydraulic pump.