HI ROLLER - BELT CONVEYORS 8. TROUBLESHOOTING
HI ROLLER, MINI ROLLER, LO ROLLER & HI LIFE
P115506 R3 121
14. Idler wear -
excessive.
• idlers are wearing out
prematurely
• belt speed can be too fast for a
specified application
• belt tensions are extremely
important to normal idler wear -
check for proper tensions
• material build up on the under/
non-carrying side of the belt -
eliminate moisture
• material is too abrasive for the
conveyor design
15. Loading problems. • material spills off the
belt
• flow of material must be con-
trolled to slow down the material
• material unevenly
loaded on the belt
• flow of material must be con-
trolled to evenly load the belt
16. Loading problems
from side spouts.
• belt misalignment due
to unevenly loaded belt
• control gate or baffles must be
installed to control the flow of the
material evenly on the belt
• capacity too low
because the material
spills off the belt at full
capacity
17. Moisture. • moisture is forming
inside the conveyor
• moisture and water must be elim-
inated from the inside of the con-
veyor
18. Moisture build up. • moisture forms on the
inside of the enclosure
• moisture must be eliminated
19. Moisture sensor. • conveyor doesn’t shut
down when the belt
slips on the head pul-
ley
• the motion sensor must be tested
by physically simulating a tail pul-
ley slow-down to ensure proper
operation
20. motor electrically
shuts down under
full load.
• Motor horsepower too
small
• check specifications - conveyor
may be installed at too steep an
angle - call Hi Roller engineering
• material build up under the return
bottom belt - splice protector /
wiper cleat must be installed
properly
• moisture inside the enclosure
freezes the belt down
21. Plow. • v-plow section - splice
hitting in tail section or
other problems
• see “V-Plow Adjustment” on
page 52
22. Plug Switch. • conveyor not shutting
down when the dis-
charge is plugged
• the plug switch must be tested by
physically simulating a plugged
discharge to ensure proper oper-
ation
Problem Effect Solution
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