TIC Liner 3000 with Communicator Electric System Description of function: To adjust the raking height, the module A 20 actuates the corresponding solenoid coils. Lower rotor height adjustment The rotor height adjustment solenoid coil (Y 156) is actuated by amplifier V16-1. Parallel functions for rotor height adjustment To actuate the height blocking valves (Y170-173), the corresponding functions "Lower rotors" or "Raise chassis" are actuated in parallel. 12/03 Lin-10-el. 10a-3