DEKKER Vacuum Technologies, Inc. – HullVac / September 2016 3MOTOR BEARING LUBRICATION (WHERE REQUIRED) ........................................................................................................................23MOTOR BEARING LUBRICATION SCHEDULE ........................................................................................................................................24OPTIONAL ACCESSORIES .................................................................................................................... 25TROUBLESHOOTING............................................................................................................................. 25START-STOP PROBLEMS ..........................................................................................................................................................................25VACUUM PROBLEMS ................................................................................................................................................................................26OVERHEATING PROBLEMS.......................................................................................................................................................................26NOISE AND VIBRATION PROBLEMS........................................................................................................................................................26OIL PROBLEMS ..........................................................................................................................................................................................26TROUBLESHOOTING QUICK REFERENCE GUIDE .................................................................................................................................27WARRANTY, REPLACEMENT & RETURN POLICIES ........................................................................ 28