Goff 2460, Operation And Maintenance Manual

Page: 102 / 105

TROUBLE SHOOTING
MALFUNCTION
CAUSE SUGGESTED REMEDY
operation, do not overload elevator by
adding large quantities of abrasive in a
short period of time.
ELEVATOR BELT
I .
Belt tension is too tight,
I .
Check belt for proper alignment and
BREAKAGE
break could occur at the
tension. Belt should be tight but care
splice.
should be taken not to add too much
stress on the splice.
2.
Foreign objects in boot
2.
Sudden jams should be avoided. Keep
could cause jamming.
elevator boot clear of working parts or
tramp metal.
3.
Worn belt.
3.
A badly worn belt may suddenly fail.
Inspect belt and splice and replace
when necessary.
ELEVA TOR BELT
I .
Loose belt.
I .
Check belt alignment and tension.
SLIPPAGE
Tighten if necessary.
2.
Worn sheaves or pulleys.
2.
Inspect and replace sheaves when
worn.
ELEVATOR
I .
Elevator is overloaded by
I .
Make abrasive additions slowly. Be
MOTOR too great an abrasive load
sure elevator is running before adding
MALFUNCTION causing motor to overload.
abrasive or starting blast operation. Do
not load equipment above rated
capacity.
2.
Belt hits against or rubs the
2.
Check belt alignment. Belt should be
elevator casing causing
centered on sheave.
motor overload.
3.
Tramp metal in boot
3.
Clean out boot section and screens.
section. Belt jams causing
motor overload.
4.
Belt tension too tight
4.
Loosen belt and realign.
causing motor overload.
5.
Bearing failure.
5.
Check motor bearings for wear.
Lubricate when needed.
l
7-24