... wiring, trunking and junctionboxes.Remove all guards and bracketsRemove gearboxes and motors.Remove pulleys, timing belts and chains.Steam clean, ... if necessary).Clean down to bare metal prime and repaint gearboxes, motors, guards and cover plates.Check couplings and keyways ( ... replace if required).Refit gearboxes, motors, pulleys, belts or chains.Re-tap and fit new ...