HAKO Sweepmaster P650 (6403.10) Instruction Manual

41Maintenance and Service5.4.4 Oil sensorThe oil sensor (Fig. 14/10) installedserves as a safety feature to protect theengine from damage due to insufficientoil.In the event of insufficient oil, theengine stops or cannot be started.Check the engine oil level!5.4.5 Disassembling the air filter1. Open the hood.2. Unscrew the fastening nut(Fig. 14/5) securing the air filtercover (Fig. 14/6).3. Remove the air filter cover(Fig. 14/6).4. Unscrew the fastening nut(Fig. 14/8) securing the air filter.5. Pull the air filter (Fig. 14/7) from thethreaded pin (Fig. 14/9).5.4.6 Cleaning the air filter1. Disassemble the air filter,refer to paragraph 5.4.5.2. Beat the air filter lightly on a level,solid surface.3. If necessary, vacuum the air filtercarefully using a vacuum cleaner.Do not damage the filter ribs!4. If the air filter cannot be cleanedsufficiently, replace the old air filterwith a new one.5.4.7 Installing the air filter1. Install the cleaned or new air filter(Fig. 14/7) on the threaded pin(Fig. 14/9).2. Fix the air filter (Fig. 14/7) byscrewing the fastening nut(Fig. 14/8) for the air filter on thethreaded pin (Fig. 14/9).3. Replace the air filter cover(Fig. 14/6).4. Screw the fastening nut (Fig. 14/5)for the air filter cover (Fig. 14/6) onthe threaded pin (Fig. 14/9).5. Close the hood.