01-29-2023, 08:09 AM
Motor spinning up slowly is not good. Pulling the burner, removing the black case, remove the motor and spin the clutch on the motor and then the clutch on the blower shaft is needed. Any side play or noise from the bearings is reason to replace the part, motor and/or bearings.
If there is fuel on the back side of the round plate the nozzle tower is mounted on, that is a leaky fuel pump seal, replace the fuel pump.
Wtih burner out, remove and clean combustion chamber and U-channel chamber. Replace the nozzle, clean the flame sensor and check the ignitor point position.
Re-assemble the burner, install into heater and turn on. Quick high wine for 30 seconds followed by igniton should result. The exhaust should be clean and clear. If unburned fuel is present in the system, the heat of the fire will cook it off as white smoke. That will clear over time normally clearing during the first heating cycle.
Not being there, my guess is the bearings need replacing. Do not run till solving the slow spin up and smoking problem.
If there is fuel on the back side of the round plate the nozzle tower is mounted on, that is a leaky fuel pump seal, replace the fuel pump.
Wtih burner out, remove and clean combustion chamber and U-channel chamber. Replace the nozzle, clean the flame sensor and check the ignitor point position.
Re-assemble the burner, install into heater and turn on. Quick high wine for 30 seconds followed by igniton should result. The exhaust should be clean and clear. If unburned fuel is present in the system, the heat of the fire will cook it off as white smoke. That will clear over time normally clearing during the first heating cycle.
Not being there, my guess is the bearings need replacing. Do not run till solving the slow spin up and smoking problem.
Rudy Legett
2003 Foretravel U320 4010
ISM11 450 hp Allison 4000R
Factory Authorized Aqua Hot Repair Center
Southeast Texas Area