
NBC™ Flat Belt - IOM
P/N: 1118140
Rev: 07/29/2020
Page
111
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129
1.47: T
ROUBLESHOOTING
G
UIDE
–
M
ECHANICAL
/E
LECTRICAL
Mechanical
Problem
Possible Cause
Remedy
Insufficient drive
Rollers not turning
consistently
Check alignment of pressure pan
Poor bottom on
product
Improve product convey ability
Overloading of
product
Remove overload
Belt slippage
Check air pressure on take up assembly. Make
sure belt tension is proper.
Drive belt
interference with
structure
Locate and correct interference
Belt installed wrong Install belt properly
Rollers not
turning/turning
slowly
Belt not engaged
with roller
Check alignment of pressure pan
Zone not active
Check alignment of downstream photo eye
Interference with
roller or belt
Locate and correct interference
Bent roller
Replace roller
Excessive Belt
Wear
Poor routing of belt
Correct route of belt, insure belt is woven through
drive and end terminals correctly
Interference within
route of belt
Locate and correct interference issue
Belt out of groove
Or weakening of
belt
High speed
Excessive speed in short conveyor units (under 70
linear feet) increases weld fatigue
Maintenance Skew
Section
If 4-foot middle section of intermediate bed is
skewed in field, insure belt is properly placed within
pressure pan before roller installation (only section
skewing allowed)
Lack of power
Insure power supply is functioning properly