SERIES 60 ON-HIGHWAY ENGINE OPERATOR'S GUIDE All items are described in Preventive Maintenance Intervals. I – Inspect, service, correct or replace as necessary. R Replace. Table 6 Transit Coach Regular Maintenance Intervals All information subject to change without notice. 51 DDC-SVC-MAN-0039 Copyright © 2009 DETROIT DIESEL CORPORATION Months 6 12 18 24 30 36 42 48 54 60 Miles/Km ( X 1000) 15/ 24 30/ 48 45/ 72 60/ 96 75/ 120 90/ 144 105/ 168 120/ 192 135/ 216 150/ 240 Item Procedures 1. Lubricating Oil Replace every 6,000 miles (9,600 km). 2. Fuel Tank — I — I — I — I — I 4. Cooling System — — — I — — — I — — 5. Turbocharger I I I I I I I I I I 7. Tachometer Drive I I I I I I I I I I 8.
Drive Belts I I I I I I I R I I 9. Air Compressor I I I I I I I I I I 11. Lube Oil Filters Replace when lubricating oil is changed. 12. Fuel Filters R R R R R R R R R R 13. Coolant Pump/ Inhibitor Level I I I I I I I I I I 14. Cranking Motor Follow manufacturer's recommendations. 15. Air System I I I I I I I I I I