ADC AD-25 Operator's Manual download pdf (Page 47)

STEAM DRYERS

Clean the steam coil fins. We suggest using compressed air and a vacuum cleaner with brush attachment.

WARNING: When cleaning steam coil fins, be careful not to bend the fins. If fins are bent, straighten

by using a fin comb which is available from local air-conditioning supply houses.

90 DAYS

Inspect and remove lint accumulation in customer-furnished exhaust duct work system and from dryer's

internal exhaust ducting.

WARNING: THE ACCUMULATION OF LINT IN THE EXHAUST DUCT WORK CAN

CREATE A POTENTIAL FIRE HAZARD.

WARNING: DO NOT OBSTRUCT THE FLOW OF COMBUSTION and VENTILATION AIR.

WARNING: INSPECT and REMOVE ANY LINT ACCUMULATION WHICH CAN CAUSE

THE BACK DRAFT DAMPER TO BIND OR STICK.

NOTE: A back draft damper that is sticking partially closed can result in slow drying and shutdown of

heat circuit safety switches or thermostats.

NOTE: When cleaning the dryer cabinet(s), avoid using harsh abrasives. A product intended for the

cleaning of appliances is recommended.

B. ADJUSTMENTS

7 DAYS AFTER INSTALLATION and EVERY 6 MONTHS THEREAFTER

Inspect bolts, nuts, screws, (bearing set screws), non-permanent gas connections (unions, shut-off valves,

orifices, and grounding connections). Motor and drive belts should be examined. Cracked or seriously

frayed belts should be replaced. Tighten loose V-belts when necessary. Complete operational check of

controls and valves. Complete operational check of ALL safety devices (door switches, lint drawer switch,

sail switch, burner, and hi-limit thermostats).

C. LUBRICATION

The motor bearings, idler bearings, and under normal/most conditions the tumbler bearings are permanently

lubricated. It is physically possible to re-lubricate the tumbler bearings if you choose to do so even though this

practice is not necessary. Use Shell Alvania grease NLGI grade 2 or its equivalent. Generically, this grease

would be described as a NLGI grade 2 multipurpose industrial grease with a lithium thickener and mineral base

oil. The tumbler bearings used in the dryer does not have a grease fitting. Provisions are made in the bearing

housing for the addition of a grease fitting which can be obtained elsewhere, or from ADC by ordering kit Part

No. 882159 (includes two [2] fittings).

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ADC AD-25 Operator's Manual Page 47