American Dryer Corp. Phase 6 Microprocessor Controls ML-190HS - Manual (Page 25)

21
To Replace Burner Tubes
1. Refer to “Replace Gas Valve” and
follow Step #1 through Step #6.
2. Remove four (4) screws securing
manifold rest and remove rest.
3. Remove the screws securing the
front flanges of the burner tubes
to the burner tube rest.
4. Remove the screws securing the
burner tube rest to the oven and
remove this rest.
5. Remove screws securing the burner box cover plate to the oven and remove this plate.
6. Remove burner tubes by sliding them out.
7. Replace by reversing procedure.
WARNING: Test ALL connections for leaks by brushing on a soapy water solution.
WARNING: NEVER TEST FOR LEAKS WITH A FLAME!!!
To Replace HSI (Hot Surface Ignition) Module
1. Discontinue electrical power to the dryer.
2. Remove the wires connected to the
terminal strip at the bottom of the module.
3. Remove the two (2) pal nuts securing the
module to the mounting bracket.
4. Replace module by reversing procedure.
5. Reestablish electrical power to the dryer.
C. THERMOSTATS
To Replace Burner Hi-Limit Thermostat (Gas Models Only)
This thermostat is an important safety device serving as an added protection against failure of the airflow (sail
switch) to open in the event of motor failure or reduced airflow condition.