Dorner Mfg. Corp.
38
851-899 Rev. A
FlexMove FC (105 mm) Conveyor System
Preventive Maintenance and Adjustment
Troubleshooting
Symptom Cause
Corrective
Action
Jerky running
•
Damage or badly fitted slide rail.
•
Incorrectly adjusted slip clutch.
•
Worn transmission parts.
•
Conveyor chain is too tight or
loose.
•
Dirty conveyor.
•
Inspect and replace as necessary.
•
Adjust slip clutch.
•
Check/replace transmission chain, chain drive sprocket.
•
Lubricate chain with silicone spray with Teflon
™
.
•
Tension conveyor chain correctly.
•
Clean conveyor chain/slide rail.
•
Add weighted take-up.
Drive unit is running; conveyor
chain is not running
•
Incorrectly adjusted slip clutch.
•
Friction discs in slip clutch are
worn or contaminated.
•
Damage/badly fitted slide rail.
•
Transmission products are not fit-
ted.
•
Check adjustment of slip clutch.
•
Check and replace if necessary.
•
Check the free running of the conveyor chain.
•
Check and fit.
Motor overheating on drive unit
•
Overloaded conveyor.
•
Gearbox leaking oil.
•
Dirty conveyor.
•
Remove products from conveyor and test run.
•
Check actual conveyor load against recommended load-
ing. If possible, add breaks to add more drives.
•
Check output shaft seal and area around motor/gearbox
interface.
•
Clean the conveyor chain with warm water.
Noise
•
Worn or damaged bearings in drive
unit.
•
Damage/badly fitted slide rail.
•
Excessive conveyor speed.
•
Incorrect conveyor chain tension.
•
Check/replace drive unit.
•
Check the free running of the conveyor chain, especially
in slide rail joints.
• Check actual load against recommended loading.
•
Lubricate chain with silicone spray with Teflon
™
.
•
Lengthen or shorten conveyor chain.
Abnormal wear of plastic parts
•
Overloaded conveyor.
•
Ambient temperature too high.
•
Foreign object dropped on the con-
veyor chain.
•
Remove products from conveyor and test run.
•
Check the free running of the conveyor chain.
•
Check actual conveyor load against recommended load-
ing. If possible, add breaks the conveyor and add more
drives.
•
Check against recommended temperature for conveyor.
•
Replace the broken section of chain.
Clutch Ratcheting or slipping
•
Excessive or accumulated load.
•
Improper ratchet clutch tensioning.
•
Damaged or missing chain assem-
bly parts.
•
Accumulation of conveyed material
or foreign objects inside of casing.
•
Avoid load buildup by running conveyor continuously.
•
Do not manually surge load conveyor.
•
Refer to ratchet clutch adjustment in Maintenance.
•
Review belt and repair or replace as required.
•
Remove chain and clean out.