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6. Remove wires from ignitor and sensor wires at the
Integrated Gas Unit Controller (IGC).
7. Remove the 2 screws that attach the burner rack to
the vestibule plate.
8. Slide the burner tray out of the unit (Fig. 50).
9. To reinstall, reverse the procedure outlined above.
B. Cleaning and Adjustment
1. Remove burner rack from unit as described in
Removal and Replacement of Gas Train section,
above.
2. Inspect burners; if dirty, remove burners from rack.
3. Using a soft brush, clean burners and cross-over port
as required.
4. Adjust spark gap. See Fig. 51.
5. Reinstall burners on rack.
6. Reinstall burner rack as described in Removal and
Replacement of Gas Train section, this page.
XVII. REPLACEMENT PARTS
A complete list of replacement parts may be obtained from
any Bryant distributor upon request.
Fig. 51 — Spark Gap Adjustment
580F090,091,102,103,120,121
180,000 BTUH INPUT
580F090,091,102,103
125,000 BTUH INPUT
580F090,091,102,103,120,121,150,151
220,000 BTUH INPUT AND 580F120,121,150,151
250,000 BTUH INPUT
NOTE: Dimensions in ( ) are millimeters.