4
Fig. 6
Fig. 7
C. Casters
Caster maintenance should be performed after every cleaning.
1. Grease swivel raceway of caster using a lubricant such as Lubriplate #930-AA, Keystone #84EPXLT multi-
purpose grease or equivalent. Apply grease using a grease gun with a needle nose adapter or a tube-type
applicator such as Sta-lube Moly-graph Assembly Lube (Fig.6). These can be obtained at most auto parts
stores.
2. Use a light oil such as WD-40 on the hub (Fig.7). Check caster for damage and test caster spin and swivel
rotation before returning to service.
IV. Care and Maintenance
A. Heater and Door
WARNING:
Completely cool heater unit prior to cleaning or maintenance.
WARNING:
Do not submerge heater in water or spray water on it.
WARNING:
Unplug heater from grounded power source and from door heater prior to cleaning.
1. Carefully remove five nylon thumbscrews and washers from heater with one hand while holding heater with
your other hand. CAUTION! Once you start loosening the thumbscrews, the heater may fall unless you are
firmly holding it. You can also remove the door and lay face down on a flat surface to remove the heater.
(Sec. VI)
2. Once heater is removed from the door, clean components and door with mild detergent, hot water and a
soft cloth.
3. Rinse using soft cloth and clean hot water to remove soap and dirt.
4. Completely air dry all components or wipe with dry, clean soft cloth before re-assembling and using the
heater.
5. Carefully place heater into the recessed area of the inner face of the door. Align AC inlet for power
connection with rectangular hole through the door.
6. Use washers and thumbscrews to reattach heater to door. Tighten thumbscrews firmly but not excessively.
Do not use pliers or tools. During normal operation, periodically check thumbscrews for tightness.
7. Inspect plug blades and cord and replace power cord if frayed or blades are missing, bent or broken.
8. If door has been removed for cleaning or maintenance, re-install following directions in Section VI.
B. Carrier/Cart Body
1. Clean with mild detergent, hot water and a soft cloth. DO NOT use detergents or cleaners containing
ammonia or bleach.
2. Hand wash using a soft cloth or brush to clean all interior and exterior surfaces. DO NOT use steel wool or
abrasive scrub pads or brushes.
3. Rinse product with warm or hot water to remove soap and dirt.
4. Air dry or dry carrier/cart outside and inside with clean, dry, soft cloth.
