SERIES 60 ON-HIGHWAY ENGINE OPERATOR'S GUIDE All items are describled in Preventive Maintenance Intervals. I – Inspect, service, correct or replace as necessary. R Replace. Table 10 Fire Fighting, Crash/Rescue and Emergency Vehicle Engine Regular Maintenance Intervals (continued) All information subject to change without notice. 55 DDC-SVC-MAN-0039 Copyright © 2009 DETROIT DIESEL CORPORATION Hours 300 600 900 1,200 1,500 Miles/Km (X 1000) 6/1.6 12/9.6 18/28.8 24/38.4 30/48 Item Procedures 17. Engine (Steam Clean) — — — — — 18. Radiator & A/A Charge Cooler I I I I I 19. Oil Pressure — I — I — 20. Battery Charging Alternator I I I I I 21. Engine & Transmission Mounts — I — I — 22.
Crankcase Pressure — I — I — 23. Fan Hub — — – I — 24. Thermostats & Seals — — — — — 25. Crankcase Breather — — — I — 26. Engine Tune-Up — — — — I 27. Vibration Damper Replace at major engine overhaul or earlier if dented or leaking.