H
I
R
OLLER
- B
ELT
C
ONVEYORS
8. T
ROUBLESHOOTING
H
I
R
OLLER
, M
INI
R
OLLER
, L
O
R
OLLER
& H
I
L
IFE
P115506 R3
119
7. Break-in and start-
up.
• belt tension
• belt tensions must be checked
before and regularly during the
first months of operation - see
“Belt Tension Procedure” on
page 48
• idler bearings
• bearing set screws on the stub
shafts must be checked before
and during the first months of
operation
• idler set screws on the stub
shafts must be checked before
and during the first months of
operation
• loading
• loading of the belt must be
checked at the start-up and dur-
ing the first months of operation
• cleaning system
• cleaning system must be
checked at start-up and during
the first few months of operation
8. Build up of material.
• material builds up
underneath the return
bottom belt
• splice protector / wiper cleats
must be installed - see “Splice
Protector / Wiper Cleats” on
page 46
• splice protector / wiper cleats
must be installed, even vulcan-
ized splices - see “Splice Protec-
tor / Wiper Cleats” on page 46
9. Capacity.
• rated capacity cannot
be reached due to
head pulley slippage
• belt tensions are extremely
important in eliminating head pul-
ley slippage
• check specifications - conveyor
may be installed at too steep an
angle - call Hi Roller engineering
• Rated capacity cannot
be reached
• belt speed must be verified to the
specification from Hi Roller
• check belt speed under full load -
make sure head pulley is not slip-
ping
• check design specifications from
Hi Roller
• loading problems - see “Loading
Problem
Effect
Solution