• CLEANING coil surfaces; fan impellers and blades; electrical contacts; burner orifices; passages and nozzles; pilot and igniter; cooling tower baffles, basin, sump and float; chiller, Washable filters where applicable; condenser and boiler tubes. • CLEANING and maintaining float switches, both primary and secondary drain pans and drain lines to a serviceable/functioning condition. • ALIGNING bell drives; drive couplings; air fins. • CALIBRATING safety controls; temperature and pressure controls. • TIGHTENING electrical connections; mounting bolts; pipe clamps; refrigerant piping fittings; damper sections. • ADJUSTING belt tension; refrigerant charge; super heat; fan RPM; water chemical feed and feed rate; burner fuel/air ratios; gas pressure; set point of controls and limits; compressor cylinder unloaders; damper close off; sump floats. • LUBRICATING motors; fan and damper bearings; valve stems; damper linkages; fan vane linkages. • PAINTING for corrosion control, as directed by our scheduling system and on an as-needed basis. • REPLACEMENT of air filters Quarterly but not limited to. • TEST and verification of proper electrical voltage relating to control boards, circuitry and transformers. • 2 HR Response time with 24 Hour Service.