M04 - M08 Bucket Elevator
10230001 6-07
6
Start-Up and Operation
6
back legging
(material
falling down the down leg)
see also “material backlegging” under
troubleshooting, “cups not filling”
belt too loose
tighten or shorten belt when needed
head shaft speed not correct
correct sheaves, check motor speeds (drives
calculated on motor speeds of 1750 RPM
damaged cups
replace or straighten / find out the cause for damage
spouting too flat
angle to be 45
°
or steeper for dry material, wet
material requires steeper angles
overfeeding
check conveyor output / make adjustments at inlet
air locked
vent may be needed at the boot or in the head
boot pulley out of adjustment
move take up rods to center pulley
conveying light material
replace the buckets with perforated buckets
wrong style cup
consult MFS/YORK/STORMOR for proper cup
belt
excessive slipping,
burning, or melting
belt slipping or worn head pulley
the belt is loose / tighten it
lagging worn off head pulley / replace lagging
belt
is running to one side
(belt will not track)
belt on boot pulley not running on
center
belt too loose to give guidance / tighten or shorten
the belt as needed
boot pulley not level / re-check and align pulley
material build-up on boot pulley / clean pulley
belt on head pulley not running on
center
leg out of plumb / re-check and plumb legs
belt on head pulley not running on
center
leg out of plumb / re-check and plumb legs
head pulley not level / re-check and
align pulley
belt loose and slipping / tighten or shorten the belt
as needed
cups not filling evenly / check and adjust intake
belt splice crooked or slipped / straighten and
tighten splice
legging bent due to stress / damage
repair or replace bent section
legging on pulley worn
replace with new lagging kit
bearings on head uneven
shim lower side until belt centers. Or, move one head
bearing forward or backward within bearing slots
head pulley has no crown
replace pulley
bearing worn
defective bearing at head or boot / needs replaced
boot pulley out of adjustment
move take up rods to center the pulley
Trouble
Problem
Cause / Solution
Trouble Shooting