MAINTENANCE MANUAL – ELECTRIC ROTARY DRYER
FERREX ENGINEERING LTD.
Page 18
Ref. #2278
23. Baghouse:- Record pulse delay.
24. Baghouse:- Check bag condition (dirty side).
25. Baghouse:- Check pulse pipe alignment
26. Baghouse Fan:- Check fan belt tension, etc. If a new belt is required call Ferrex Service.
Semi Annually
1. Gearbox;- Check minerial oil viscosity, contamination and oil level.
Yearly
1. Gearbox:- Change oil as required based on loss of oil viscosity or high oil contamination.
2. Primary Heater:- Open the terminal housing. Mark and disconnect all incoming wiring.
Disconnect conduit. Check the housing it is clean and dry.
3. Primary Heater:- Re-install heater bundle using new gasket and taking care not to
damage the elements. Note position of over-temp thermocouple. Heater bundle MUST
be re-installed in the same orientation as when it was removed.
4. Secondary Heater:- Open the terminal housing. Mark and disconnect all incoming wiring.
Disconnect conduit. Check the housing it is clean and dry.
5. Secondary Heater:- Re-install heater bundle using new gasket and taking care not to
damage the elements. Note position of over-temp thermocouple. Heater bundle MUST
be re-installed in the same orientation as when it was removed.
6. Baghouse:- Check case/support for corrosion
7. Baghouse:- Check all bolts and welds
8. Baghouse:- Check ductwork for build up of dust
9. Baghouse:- Bag dye penetrant test.