8. TROUBLESHOOTING HI ROLLER - BELT CONVEYORS
HI ROLLER, MINI ROLLER, LO ROLLER & HI LIFE
120 P115506 R3
10. Cleaning system
failure.
• material build up under
the belt
• splice protectors / wiper cleats
must be properly installed
• material build up • moisture and water must be elim-
inated from the inside of the con-
veyor
• reloading flippers/paddles on the
tail pulley must be reloading
material - replace if necessary
11. Discharge plugging. • conveyor plugging and
shutting down
• discharge plug switch must be
located to detect a plug and shut
down the conveyor immediately
• discharge plug switch must be
operational to shut down the con-
veyor immediately
• rated capacity cannot
be reached due to
material building in the
discharge spouting
• remove build up and determine
the cause
• rated capacity cannot
be reached
• check size of the spouting to be
sure it is adequately sized for the
capacity of the conveyor
• check the spouting angle to be
sure it is not too flat an angle and
will not flow at the conveyor
capacity
12. Freeze down. • belt is frozen down • moisture and water must be elim-
inated from the inside of the con-
veyor
13. Head Pulley
Slippage.
• start-up problem - belt
frozen down under the
return bottom belt
• moisture and water must be elim-
inated from the inside of the con-
veyor
• start-up problem - belt
stuck down under the
return bottom belt
• dust and moisture form a paste
that glues the belt to the bottom -
moisture and water must be elim-
inated
• start-up problem -
material build up in the
tail section
• cleaning system must be
inspected to determine why sys-
tem is not cleaning properly
• start-up problem - belt
tension not adequate
for proper traction
• belt tension must be adjusted to
the specifications in “Belt Tension
Procedure” on page 48
Problem Effect Solution
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