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© 200324 5-1 Cleaning XE ENGINE CF65/75/85 series 2 8 5. CLEANING 5.1 CLEANING THE ENGINE Note: It is advisable to clean the engine with a high- pressure cleaner before starting maintenance or service operations. A clean environment makes your work easier, and enables you to notice any engine defects at an early stage. Before cleaning the engine, check for any leaks. If the engine is cleaned with a high-pressure cleaner, the high-pressure cleaner must be used with care. It is also important to observe the following points: - When cleaning the universal joint on the steering box, the spider seals may be forced open by the high-pressure jet of water, so that the grease behind them is flushed away. As a result, the spider may get stuck, so that the steering mechanism will jam. - There is an air bleed vent on the power steering fluid reservoir of the steering gear. Water may enter the reservoir through this air bleed vent, causing damage to the steering gear. - When cleaning the radiator/air cooler element, be careful not to damage the fins. - Do not direct the high-pressure cleaner jet too long at the air-conditioning system condenser. As a result of the high temperature, the pressure in the system will become excessive, which may cause damage to the system. - Ensure that no water can enter the gearbox via the air bleed vents. - Make sure that no water can enter via the clutch reservoir bleed vents. - The engine compartment can be cleaned with a high-pressure cleaner. Never direct the jet of water towards electrical components. - When cleaning UPEC engines with a high- pressure cleaner, do not aim the jet directly at the pump units. Water could penetrate into the protective covers via the bleed holes. This could result in failures in the electrical connections of the pump units. - Do not direct the jet of water at electrical connections such as connectors or lead- throughs of the vehicle lighting system. - Ensure that no water can enter the air intake system via the air intake or its flexible seals. |