Mechanical System - Diamondback 500Sr Service Manual

Troubleshooting Guide (Continued)
Mechanical Noise
Grinding, Ticking & Clicking. Thumping, Squeaking & Squealing. Twanging/Spring noise.
1. Check bottom bracket bearings (Procedure 12).
2. Check pedals (Procedure 13).
3. Check crank arms (Procedure 14).
4. Check to see if all moving components spin freely.
5. Check belt alignment (Procedure 10).
6. Check belt tensioner (Procedure 11).
7. Check brake assembly (Procedure 9).
Pedal Slipping
Sudden resistance change in pedals under higher resistance and/or RPM.
1. Check belt alignment (Procedure 10).
2. Check belt tensioners (Procedure 11).
3. Clean Pulley surface and replace belt .
13