MBE 900 ENGINE 2007 OPERATOR'S GUIDE High-Pressure Cleaning Equipment How to Clean the Cooling System Information on suitable cleaning and protective products is available from any authorized dealer. Note the equipment manufacturer's operating instructions. Important: Collect the used coolant, cleaning solutions, and washing liquids and dispose of them in an environmentally responsible manner. Clean as follows: NOTICE: NOTICE: To prevent damage to engine components during the cleaning process, keep the water moving at all times. Never direct water onto electrical components, plug connectors, seals or flexible hoses.
Clean at moderate pressures only; otherwise the fins of the radiator grille could be damaged. 1. First remove debris (dust, insects, etc.) from the fins of the radiator grille. EYE INJURY To avoid injury, wear a face shield or goggles. To avoid injury from flying debris when using compressed air, wear adequate eye protection (face shield or safety goggles) and do not exceed 276 kPa (40 psi) air pressure. Comply with the minimum working distance between the high-pressure nozzle and the surface being cleaned: 2. Remove the debris by blowing them through with compressed air or spraying them out with water.
Work from the rear of the radiator (in the opposite direction of the normal cooling air flow). Approximately 700 mm (28 in.) for circular pattern jets Approximately 300 mm (12 in.) for 25-degree flat jets and dirt cutters 3. Drain the coolant when the engine is cold. For All information subject to change without notice. (Rev. 04/08) 99 DDC-SVC-MAN-0040 0704 Copyright © 2008 DETROIT DIESEL CORPORATION