Failure to follow all safety precautions below could result in rotating components cutting and slashing technician which could result in death or serious injury.
During installation, testing, servicing and troubleshooting of this product it may be necessary to work with live and exposed rotating components. Have a qualified or licensed service individual who has been properly trained in handling exposed rotating components, perform these tasks.
The fan belts must be inspected periodically to assure proper unit operation.
Replacement is necessary if the belts appear frayed or worn. Units with dual belts require a matched set of belts to ensure equal belt length.
When removing or installing the new belts, do not stretch them over the sheaves. Loosen the belts using the belt tension adjustment bolts on the motor mounting base.
Once the new belts are installed, using a Browning or Gates tension gauge (or equivalent) illustrated in Figure 31; adjust the belt tension as follows:
Table 10. Belt tension measurement and deflection
Source: Trane (www.trane.com)