11. EXPLANATION OF COMPONENTS 11.4 CEILING WINDOW PC130/150LGP-6K ENG 2-24 WARNING When leaving the operator's compartment, set the safety lock lever securely to the LOCK position. If the control levers are not locked and they are touched by mis- take, this may lead to a serious accident. WARNING When opening 1. Lock the safety lock lever securely. 2. Check for any ceiling window movement by pulling lock located on both sides, then push up and open the ceiling window grasping grip When closing Close the ceiling window grasping grip and lock it with lock . If