GHG17 DD Medium Duty Operators Manual 1. Check for cracks in the battery cases (1), for tightness of the cable clamps (2) at the terminals, and for corrosion of the terminals (3). Service or replace as needed. 2. Keep the terminal surface clean. 3. Inspect the cables, clamps and hold-down brackets regularly. Clean and reapply a light coating of petroleum jelly when needed. Have corroded or damaged parts replaced. 4. If the engine is to be out of service for more than 30 days, remove the batteries and store in a cool, dry place. a. Keep batteries fully charged, if possible. b. Replace any battery that fails to hold a charge. 5.
Periodically check battery connections for corrosion and tightness. a. If necessary, remove connections and wire brush any corrosion from terminals and cable ends. b. Replace damaged wiring. Steam Cleaning the Engine NOTICE: Do not apply steam or solvent directly to the battery-charging alternator, starting motor, DDEC components, sensors or other electrical components, as damage may result. The engine and engine compartment should be steam cleaned every 60,000 miles (100,000 km) or 2,000 hours, whichever comes first. All information subject to change without notice. 79 DDC-SVC-MAN-0192 Copyright © 2017 DETROIT DIESEL CORPORATION