Belt does not track properly

1. Pulleys and idlers NOT squared

2. New belt is not “run in” long enough

3. Uneven loading - load on center of belt

4. Structure is not square

5. Lacing or splice is not square

6. Bow in belt

Cleats are cracking at base

1. Pulleys are too small

Cleat determination

1. Pulleys too small - check minimum pulley recommended for cleat type

2. Return idlers hitting cleats

3. Material conveyed is affecting the bond (oils, acids, heat, etc.)

4. Product overload

5. Poor tracking - cleat edges repeatedly hitting conveyor frame

Excessive belt stretch

1. Too much tension for the belt being used - go to a stronger belt if pulley’s diameters and motor size will allow it

2. Insufficient take-up

3. Overtightening of take-up

Excessive belt slip

1. Tighten take-up or pulley

2. Lag or replace worn lagging on pulley

3. Pulleys too small - not enough contact of belt to pulley - use lighter belt or larger pulleys

4. Material spillage - lag pulleys and/or install cleaning devices

5. Use a belt with better grip on the pulley side

Elevator bolt pull-out

1. Bolts not tight enough - tighten monthly or apply a thread lock

2. Bucket hung up on boot

3. Belt is not strong enough to retain the weight of loaded bucket - use a stronger belt if possible

4. Adverse conditions - heat, oil, acids

Fastener pull-out

1. Wrong size fastener used

2. Fastener is not installed properly

3. Obstruction is touching the splice area

4. Poor tracking - splice hitting conveyor frame

Sidewall delamination or cracking

1. Pulley is too small - check minimum pulley diameter for flange height used - Sipe, sipe & drill, or notch for small pulley

2. Change to a sidewall or flange that will wrap the pulley if possible

Severe edge wear

1. Pulleys, idlers or structure is not square

2. Worn pulley lagging

3. Offset loading conditions - load on center

V-Guide delamination or cracking

1. Pulley is too small - notch v-guide to allow for smaller pulleys

2. Severe misalignment

3. Wrong size cross section for pulley groove

Vulcanized splice delamination or failure

1. Pulley is too small - check recommended minimum

2. Belt is running in the wrong direction - check for direction arrow or make sure leading edge of splice contacts pulley first

3. Reverse bend - use a thinner belt

4. Too much tension for belt - use a heavier carcass construction