B&C Technologies DI-325 Industrial - Manual (Page 29)

ROUTINE MAINTENANCE
6-2
Every 6 Months
Grease the two (2) 1 – 3 /4 inch pillow block bearings and the two (2) 1 – 3/4 inch pillow
block bearings located in the dryer’s base. Use # 45 grease or equivalent.
Grease the two (2) motors in the base with Chevron SR # 1 or 2 grease or equivalent unless
otherwise stamped on the motor label.
Check V – belts for tightness and wear. Retighten or replace if required.
On steam dryers, clean steam coil fins. We suggest using compressed air and a vacuum
cleaner with brush attachment.
NOTE:
When cleaning steam coil fins, be careful not to bend the fins. If fins are bent,
straighten by using fin comb which is available from local air conditioning supply
houses.
Inspect and remove lint accumulation in customer furnished exhaust duct work system and
from dryers 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. Check customer
furnished back draft dampers in exhaust duct work. Inspect and remove any lint
accumulation which can cause damper to bind or stick.
NOTE: A back draft damper that is sticking partially closed can result in slow drying and
shutdown of the heat circuit safety switches or thermostats.
NOTE: When cleaning dryer cabinet(s), avoid using harsh abrasives. A product intended for
the cleaning of appliances is recommended.
7 Day 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 switch, lint drawer switch, sail switch, burner and hi – limit thermostats).
The motor bearings, idler bearings, and tumbler bearings are permanently Lubricated, NO
LUBRICATION IS NECESSARY.
Perform daily and periodic inspection to avoid trouble and keep reliable operation for a long
time. Take care of the following during work.
B. ADJUSTMENTS
C. LUBRICATION
D. THE AC DRIVE MAINTENANCE