GHG17 DD Medium Duty Operators Manual 1. Fill the fuel tank with the recommended grade of fuel. If only partial filling is possible, add a minimum of 10% of the total tank volume of fuel to the tank. For example, a 150-gallon tank would require a minimum of 15 gallons of fuel. 2. Operate the frame-mounted or engine mounted hand primer for 45 strokes. 3. Turn on the ignition switch. 4. Wait for the engine system indicator lights on the instrument panel to go out. 5. With the accelerator pedal in the idle position, start the engine. 6. Crank engine for 20 seconds. NOTE: The starting cycle can be repeated up to three times. 7.
If engine does not start, allow for a 60-second cool down and repeat previous step. 8. Monitor the oil pressure gauge or indicator lamp. Keep the engine running at an idling speed until a stable oil pressure reading of 345 kPa (50 psi) or more is maintained for one minute. 9. Check for leaks. 10. Allow the engine to reach operating temperature of 60° C (140° F). NOTICE: Increasing engine speed above idle before oil pressure has stabilized may cause severe engine damage. 11. Increase engine speed to 1500 rpm for ONE (1) minute. 12. Reduce engine speed and run at idle for ONE (1) additional minute. 13. Shut down the engine. 14. Check for leaks. 15.
If engine still fails to start, contact an authorized Detroit™ repair facility. How to Clean an Engine Observance of all environmental protection regulations is required. Use high- pressure equipment as follows: CAUTION: EYE INJURY To avoid injury from flying debris, wear a face shield or goggles. NOTICE: To prevent damage to engine components, keep the water moving at all times while cleaning. Never direct water onto electrical components, plug connectors, seals or flexible hoses. Information on suitable cleaning and protective products is available from any authorized dealer. Note the equipment manufacturer's operating instructions. All information subject to change without notice.
93 DDC-SVC-MAN-0192 Copyright © 2017 DETROIT DIESEL CORPORATION