MAINTENANCE MANUAL – ELECTRIC ROTARY DRYER
FERREX ENGINEERING LTD.
Page 15
Ref. #2278
14) Discharge Seal:- Check the quality of the seal. If ripped or torn call Ferrex Service to
order a new one.
15) Baghouse :- Check and Record differential pressure (dP).
16) Baghouse:- Verify the timer sequencing row by row.
17) Baghouse:- Check the solenoids are operating.
18) Baghouse:- Check if the diaphragm valves are firing.
19) Baghouse:- Check the rotary discharge value is working
20) Baghouse:- Check for any visible stack emmissions
Weekly
1. Baghouse:- Record compressed air pressure.
2. Baghouse:- Clean compressed aire fliter trap
3. Baghouse:- Check tubesheet for bag leaks
4. Baghouse:- Check that hopper is empty.
Monthly
1. Electric cabinet:- check all fuses if any are blown (light indictator). If so call Ferrex
Service for assistance.
2. Idler Rolls:- Check alignment and roll wear. Drum should be running flat against idler roll.
If roll has excessive wear grooves order new idlers from Ferrex Service. Brush lubricate
idler rolls to prevent corrosion.
3. Thrust Roll:- Check alignment and roll wear. Drum should be running flat against roll. If
roll has excessive wear grooves order new Thrust Roll from Ferrex Service. Brush
lubricate thrust roll to prevent corrosion.
4. Chain:- Check the chain if dried out then brush lubricate chain.
5. Chain:- Brush lubricate chain bushings from drying out or contaminated.
6. Chain:- Check the tension on the chain and if slack then tension the chain.
7. Motor Sprocket:- Check the wear of the teeth if getting worn down order one to be
replaced with in a month.
