2-2. LOCATION AND USE OF CONTROLS AND INDICATORS. (CONT)
Control or Indicator
Fuel Pressure Gage
Indicates pressure of fuel to burner.
Controls amount of air to burner.
Turned downward, increases air to burner.
Turned upward, decreases air to burner.
Door Limit Switch
Stops tumbler rotation when dryer door is
Controls drying time.
Starts and stops blower motor and turns
ignition on and off.
Alerts operator that a safety shutdown has
UV Scanner Indicator light
Gives visual indication that a safety shutdown
Exhaust Temperature Gage
Indicates temperature of drying air inside
Controls temperature inside of tumbler.
Tumbler Burner Sight Glass
To observe flame inside the burner.
Allows operator to fine-tune air fuel mixture.
Burner Fuel Shutoff Valve
Opens and closes fuel supply to burner.