Thermador Pro Grand PRD304EG Service Manual page 21

Service Manual for Thermador Pro Grand Dual Fuel Ranges:
6. Slowly lift to remove the burner base (see Figure 25, page 21).
m
Caution
Fragile Component
The igniter plug is a ceramic component that can be brittle and crack
easily.
7. While lifting the brass burner base, carefully depress the locking
tab on the female terminal of the igniter wire, and gently pull to
detach from the igniter plug (see Figure 26 and Figure 27).
Figure 26: Igniter Wire Locking Tab
1 Tab (press it to detach wire from electrode)
8. [Only if the ignition plug needs replacing]: Remove and retain the
spring from the ignition plug by rotating the ignition plug clockwise
while simultaneously holding the spring with a flat blade
screwdriver to prevent its rotation (so that the spring is unscrewed
from the plug). You may need to push the spring upward with the
screwdriver in order to remove it from the ignition plug (Figure 28).
58300000157422_ARA_EN_A
PRD304EG, PRD364EDG, PRD364EDPG, PRD364ELG, PRD366EG, PRD366EPG, PRD484ECG, PRD484EEG, PRD486EDG, PRD486EDPG, PRD486ELG
Figure 27: Ignition Plug with Spring
Figure 28: Rotating the Ignition Plug to Detach Spring
9. [Only if the ignition plug needs replacing]: After the spring is
detached, remove the igniter plug from the burner base.
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