OPERATION EXPLANATION OF COMPONENTS CEILING WINDOW When leaving the operator's compartment, set the safety lock lever securely to the LOCK position. WARNING If the control levers are not locked, and they are touched by mistake, this may lead to a serious acci- dent. When opening 1. Lock the safety lock lever securely. 2. Check for any ceiling window movement by pulling lock knob (A) located on front side, then push up and open the ceiling window grasping grip (B). When closing Close the ceiling window grasping grip (B) and lock it with lock knob (A). If the lock cannot be applied, open and close the ceil- ing window again. 3-25