American Dryer Corp. ADG-385 - Manual (Page 9)

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AS REQUIRED In cleaning and care of the cabinet, avoid using harsh abrasives. A
product intended for the cleaning of appliances is recommended.
B. Adjustments
SUGGESTED INTERVAL FUNCTION
6 MONTHS Motor and drive belts should be examined. Cracked or seriously
frayed belts should be replaced. Tighten loose belts when necessary,
and check belt alignment.
6 MONTHS Complete operational check of controls and valves.
6 MONTHS Complete operational check of ALL safety devices (door switches,
sail switch, burner and lint chamber thermostats.)
12 MONTHS Inspect bolts, nuts, screws, non-permanent gas connections,
(unions, orifices, etc.) electrical terminals, and grounding
connections.
C. Lubrication
The motor bearings, idler bearings and tumbler bearings are permanently lubricated, and no lubrication is
necessary.