Owner`s manual
THE CALDERA
Page 38
SERVICING
Before servicing, read the terms and conditions of the Blaze King warranty at the back of this manual.
Contact the Blaze King authorized dealer which you purchased the appliance from and provide him with
details of the problem and the installation information which the installer filled out at the back of the
manual.
WARNING: Servicing of this appliance must be conducted by a qualified service technician.
Improper servicing, adjustment or alteration of this appliance may cause property
damage, personal injury or loss of life. All servicing should be conducted with the
appliance cold.
- Remove the lower louver (open doors/remove optional front first if used) to gain access to the shutter.
- Loosen the primary air shutter screw (above burner rocker switch)
(caution, make sure unit is not hot as burns may result).
- Sliding the shutter lever right increases aeration while sliding the lever to the left decreases
aeration.
- Tighten screw.
- Remove the glass door, logs and firebox liner panels.
- Remove the burner. Remove the screws holding the aeration box to the firebox floor and lift it out.
- Use a 1/2” wrench to unscrew the orifice
- Change the orifice. Do not over tighten.
- Replace all parts in reverse order and properly set the primary air shutter according to the specifications.
- Check for leaks.
ADJUSTING PRIMARY AIR
CHANGING MAIN BURNER ORIFICE
SERVICING UNDER WARRANTY
- The pressure test taps are located on the valve.
- The taps are located in the front.
- Loosen the set screw inside the tap with a 1/8” wide flat screw driver.
- Connect a 1/4” rubber tube to the tap and a pressure gauge.
- Be sure to tighten the set screw inside the tap after you are finish taking pressure readings.
CHECKING INLET AND OUTLET GAS PRESSURE










