1.4 INSTALLATION OF THE ROCKER COVER 5. Install the two air filter brackets (2) (if equipped), onto the rocker cover and torque the eight nuts to 20 N·m (14 lb·ft). ENGINE EXHAUST To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area. Engine exhaust is toxic. 6. Start the engine and check for leaks. All information subject to change without notice. 1-8 DDC-SVC-MAN-0081 2010 Copyright © 2010 DETROIT DIESEL CORPORATION