The link below shows some possible signs of belt issues and solutions. This PDF can be used as a general guide and is not meant to be used as the sole source of information on belt problems.
Please CLICK HERE for more information on belt Failures - Symptoms & Causes.
OR
CLICK HERE to view Husqvarna's complete Belt Diagnostic Guide.
| PROBLEM | MOST LIKELY CAUSE | OTHER POSSIBLE CAUSES |
|---|---|---|
| Stack is misplaced | Belt squeals or slips. Sidewall repeatedly worn. |
Cracked underside. |
| Belts rubs the guard | Damaged tie band. Sidewall repeatedly worn. |
Cover is worn. |
| Backside idler | Cover is worn. | Cracked underside. |
| Improper storage, stored too long | Cracked underside. Sidewall repeatedly worn. |
|
| Not enough tension | Belts excessively vibrate. Belts comes off pulley. Sidewall repeatedly worn. |
Belts or squeals or slips. |
| Improper installation of pulley | Wobbling pulley. Bushings are cracked. |
|
| Too much tension | Belts excessively vibrate. Repeated breakage. |
Hot bearings. Shaft bends. |
| Pulleys are misaligned | Belts excessively vibrate. Damaged tie band. Sidewall repeatedly worn. |
|
| Pulleys are damaged | Hot bearings. Wobbling pulley. Cracked underside. Belts excessively vibrate. Bushings are cracked. Shaft bends. |
Belts bottom out. Damaged tie band. Belt squeals or slips. |
| Too much heat | Sidewall repeatedly worn. | Cracked underside. |
| Bearing too far from pulley | Hot bearings. Shaft bends. |
|
| Poor bearing or shaft worn | Hot bearings. Wobbling pulley. Shaft bends. |
|
| Belt has reached end of service life | Belts bottomout. | |
| Belts matched up wrong | Belts excessively vibrate. Sidewall repeatedly worn. |
|
| Wrong type of belt | Belt rides too high. Belts bottom out. Belts squeals or slips. Belt comes off pulley. |
|
| Machine induced impulse | Repeated breakage. | Belts excessively vibrate. Belt comes off pulley. |
| Too much oil or grease | Belt swells, is soft. Hot bearings. Belt squeals or slips. Sidewall repeatedly worn. |
|
| Harsh operating conditions | Sidewall repeatedly worn. | |
| Grooves of pulley dirty (particles in them) | Cracked underside. Belt comes off pulley. Repeated breakage. |
|
| Too much moisture | Belt comes off pulley. Repeated breakage. |
|
| Insufficient belt on small pulley | Belt comes off pulley. | Cover splits. |
