3Step 3. Spraying .................................................................................................................................................................... 17Starting................................................................................................................................................................................ 17Spraying Procedure ............................................................................................................................................................ 17Using Chemicals for Cleaning (if desired) ........................................................................................................................... 17Hot Spray Procedure........................................................................................................................................................... 18Step 4. Stopping..................................................................................................................................................................... 19STORAGE................................................................................................................................................................... 19Between-Use Storage ......................................................................................................................................................... 19Long-Term Storage Preparation (between infrequent uses and at end of season)............................................................. 19Winter Storage Preparation................................................................................................................................................. 19MAINTENANCE & REPAIR ........................................................................................................................................ 20MAINTENANCE SCHEDULE ..................................................................................................................................... 20DETAILED INSTRUCTIONS – MAINTENANCE & REPAIR ...................................................................................... 20Dust/Debris Removal .......................................................................................................................................................... 20Inspect Fuel System(s) ....................................................................................................................................................... 20Inspect Spray System ......................................................................................................................................................... 20Clean Inlet Filter for Garden Hose ...................................................................................................................................... 21Check Tire Pressure ........................................................................................................................................................... 21Change Pump Oil ................................................................................................................................................................ 21Drain Burner’s Fuel Filter/Water Separator ......................................................................................................................... 21Descale Heating Coil........................................................................................................................................................... 21Inspect and Clean Flow Switch ........................................................................................................................................... 22Inspect Heating Coil and Desoot as Needed ...................................................................................................................... 22Inspect/Clean/Adjust Electrodes ......................................................................................................................................... 23Perform Engine Maintenance.............................................................................................................................................. 23OIL BURNER ADJUSTMENT (ONLY NEEDED IF WHITE EXHAUST SMOKE APPEARS)..................................... 24TROUBLESHOOTING ................................................................................................................................................ 25PARTS EXPLOSION– REV Y ..................................................................................................................................... 26PARTS LIST– REV Y .................................................................................................................................................. 27PUMP EXPLOSIONS .................................................................................................................................................. 28COMET AXD 2527GE-NH PUMP EXPLODED VIEW ................................................................................................ 32WIRING DIAGRAMS................................................................................................................................................... 36LIMITED WARRANTY ................................................................................................................................................ 39