11.0 Maintenance
and Service
FIGURE 9 - Electrode
Assembly (Direct
Spark)
Electrode
Burner
Proper installation
results in 0.219 ± 0.032”
(5.6mm) clearance
from ceramic tile surface
to the sparking tips of
the electrode.
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illustrates general arrangement of heater operation.
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should be performed as follows:
CAUTION: Always wear protective goggles when cleaning heaters.
1.
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2.
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E
D
C
B
A
G
F
LEGEND
Symbol Item
Description
A Gas
manifold
B Gas
orifice
C Venturi
D Optional
heat
deflector
E
Heater flue exhaust path
F Ceramic
tile
surface
G
Standard reflector assembly
FIGURE 8 - General Arrangement
1
2
Screw
Ceramic Tile
Burner Assembly
(removed)
FIGURE 10 - Burner
Replacement
Burner Removal
Instructions
1)
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2)
Pull burner up and
outward.
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11.1 Maintenance
Procedures and
Illustrations
P/N 131793R11, Page 17
