CAUTION SUMMARY Preventive Maintenance Observe the following cautions when performing preventative maintenance. PERSONAL INJURY To avoid injury when working near or on an operating engine equipped with an hydraulic clutch fan, remove loose items of clothing and jewelry. Tie back or contain long hair that could be caught in any moving part causing injury. The hydraulic fan may start without warning. HOT OIL To avoid injury from hot oil, do not operate the engine with the rocker cover(s) removed. PERSONAL INJURY To avoid injury from slipping and falling, immediately clean up any spilled liquids.
To avoid scalding from the expulsion of hot coolant, never remove the cooling system pressure cap while the engine is at operating temperature. Wear adequate protective clothing (face shield, rubber gloves, apron, and boots). Remove the cap slowly to relieve pressure. HOT COOLANT USED ENGINE OIL To avoid injury to skin from contact with the contaminants in used engine oil, wear protective gloves and apron. 2 All information subject to change without notice. (Rev. 04/08) DDC-SVC-MAN-0056 04/08 Copyright © 2008 DETROIT DIESEL CORPORATION