1 . . Remove .the .back .panel .of .the .furnace .
2 . . Remove .the .nuts .which .hold .the .heating .plate .wires .to .the .power .terminals .and .straighten .the .heating .
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plate .wires .(Figure .4) .
3 . . Open .the .furnace .door .and .find .the .two .ceramic .sections .at .the .front .of .the .furnace .chamber . .Hold .the
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furnace .door .partially .open .while .removing .the .ceramic .sections . .They .are .not .readily .removed .when .the . . .
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door .is .fully .open . .Remove .the .right-hand .ceramic .section .by .lifting .it .upward .until .the .bottom .of .the .section . .
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clears .the .sheet .metal .housing . .Pull .the .bottom .of .the .ceramic .section .out, .then .pull .it .down .so .the .upper . .
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half .clears .the .sheet .metal .housing . .Remove .the .left-hand .ceramic .plate .in .the .same .way .
4 . . Remove .the .floor .plate, .then .carefully .slide .the .two .side .heating .plates .out .the .front .of .the .furnace . .The .two
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rear .heating .plates .on .Infinity .L-30 .may .now .be .removed .
5 . . .Check .the .condition .of .the .filler .strip .insulation .in .the .space .to .the .left .and .right .of .the .ceramic .front
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sections . .Replace .if .required* .
6 . . .Check .the .condition .of .the .floor .plate .which .provides .insulation .and .serves .as .a .spacer .between .the .bottom . .
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ends .of .the .heating .plates . .Replace .if .required* .
7 . .To .install .the .new .heating .plates .reverse .the .procedure . .Push .the .ceramic .heating .plates .back .into .place .on . .
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the .rear .insulating .panel . .When .reconnecting .the .heating .plate .wires .at .the .rear .of .the .furnace, .be .sure .to . .
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replace .all .hardware .in .its .original .position . .(Figure .4 .) .Tighten .all .connections .
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*Replacement .Part: .Floor .Plate .w/ .Filler .Strip .Insulation
. . . . . . .Infinity .M-30: .PN .33980; .Infinity .L-30: .PN33981 .
FIELD SERVICE
REPLACEMENT OF HEATING PLATES
REPLACEMENT .PART .NUMBERS
21
100V
115V
220/230V
240V
M-30
(Set .of .2) .
18907 .
33915 .
33916 .
33916 . .
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.
.
.
L-30
Set .of .2 .Side .Plates .
27957 .
33918 .
27957 .
33918 . .
Set .of .2 .Rear .Plates .
27956 .
33917 .
27956 .
33917