Reference Manual
Troubleshooting
00809-200-4245
April 2022
Reference Manual
39
7
Troubleshooting
Trouble shooting for flat top & friction top
Problem
Possible Cause
Possible Solution
Sprockets don’t slide on shaft with
expanding chain.
Debris on shaft restricts
movement.
Clean shaft.
Limit device improperly located.
Determine max expansion &
locate limit device accordingly.
Chain tracks crooked.
Shafts are misaligned.
Align head & tail shaft to be
parallel & horizontal.
Return rollers skewed.
Adjust return rollers to be
parallel & level.
Chain jumps sprocket teeth.
No provision for catenary
Improper catenary moves from
head to tail.
Provide for catenary per Rex
recommendations.
Improper shaft drop.
Set shaft per Rex.
Improper sprocket positioning.
Sprockets must be positioned to
engage tooth pocket on chain.
Chain breakage.
Impact loading.
Don’t drop load.
Over back-flexing.
Return roller to small dia.
Jam up.
Clear cause of jam.
Pins coming out.
End plugs missing, check or
replace.
Transfer plate problem.
Finger breakage.
Finger climb top of chain ribs.
Product tippage.
Cracks thru mounting holes.
Transfer plates don’t move
w/chain.
Screws too tight to allow plates to
move.
Adjust screw tension.
Use proper screw
Fingers don’t properly engage.
Positioning transfer plates
correctly.
Debris in-between chain ribs.
Clean off chain & remove.
Plates are too loose.
Secure properly w/correct fastener
to keep plate from “rocking”. This
rocking can cause failure thru
mounting holes & product
tippage.
“Strictly” mounting surface,
restricts plate movement.
Clean mounting surface & check
for level.
Summary of Contents for ROSEMOUNT HMC-C01
Page 1: ...Reference Manual 00809 200 4245 Rev AA April 2022 HMC C01CompressionSampleHead ...
Page 10: ...10 Rosemount HMC C01 ...
Page 26: ...Installation Reference Manual April 2022 00809 200 4245 26 Rosemount HMC C01 ...
Page 30: ...Start Up Procedure Reference Manual April 2022 00809 200 4245 30 Rosemount HMC C01 ...
Page 32: ...Scheduled Maintenance Reference Manual April 2022 00809 200 4245 32 Rosemount HMC C01 ...
Page 38: ...Scheduled Maintenance Reference Manual April 2022 00809 200 4245 38 Rosemount HMC C01 ...
Page 41: ...Reference Manual Troubleshooting 00809 200 4245 April 2022 Reference Manual 41 ...