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SERVICE PROCEDURE RG-I
Inner Door/Gasket Removal,
Inspection, and Replacement
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Tears
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Missing material
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Cracks
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Dirt or debris
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Gasket adhesion to inner door
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Material left on combustion chamber (around opening)
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Other imperfections that will inhibit proper seal
If the gasket is not affected by any of the above, gasket replacement is not required. If replacement
is required, proceed to Inner Door Gasket Replacement Procedure.
Inner Door Gasket Replacement Procedure
GASKET OVERLAP
MUST BE AS
SHOWN ±1/32"
RECOMMENDED
PATTERN FOR RTV
SEALANT
ENLARGED
VIEW OF
FLANGE AREA
PLACE FLANGE
SECTIONS FIRST
VIEW WITH
GASKETS IN
PLACE
EXPANDED
VIEW
Fully inspect inner door gaskets for the following:
Step 4.
Inner Door Removal Procedure
Rotate knob of the combination thermostat/gas valve
to the “OFF” position.
Step 1.
Step 2.
Step 3.
Remove the outer jacket burner access door.
Inner Door Removal:
a)Disconnect resettable thermal switch wire leads (leading from gas
control/gas valve).
b) Remove two (2) 1/4” hex drive screws from right side inner door.
c) Remove two (2) 1/4” hex drive screws from flange section of inner door.
d) Remove two (2) 1/4” hex drive screws from left side inner door.
e) Remove inner door and inspect per Step 4.
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