Form I-UDA, P/N 195673 R24, Page 29
FIGURE 18 - Location of Controls
10.1 Maintenance
Schedule
Maintenance Schedule - The following procedures should be carried out at least
annually (See FIGURE 18 and Paragraphs 10.2.1 - 10.2.14.):
• Clean all dirt, lint, and grease from the combustion air opening
(UDAP) and venter assembly.
• Clean all dirt, lint, and grease from the fan blade, fan guard, and
motor.
• Check the heat exchanger both internally and externally.
• Check the burner for scale, dust, or lint accumulation. Clean if
needed.
• Check gas valve to ensure that gas ow is being shutoff completely.
• Check the vent or vent/combustion air system for soundness. Clean
openings. Replace any parts that do not appear sound.
• Check the wiring for any damaged wire. Replace damaged wiring.
(See Paragraph 7 for replacement wiring requirements.)
NOTE: If replacement parts are required, use only factory-authorized
parts.
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