V Belt Technical Information

Hardened, polished flanks

  1. Incorrect tensioning
  2. Belt strength member damaged by incorrect installation

Solution

  1. Change belt, set the correct tension
  2. Change belt and fit correctly

Uneven section wear

  1. Pulleys not aligned
  2. High belt vibrations

Solution

  1. Check drive; align pulleys that are not in line and if necessary replace; change belt
  2. Check tension, if necessary retension belt or change

Belt running noise

  1. Tension too low
  2. Service life exceeded

Solution

  1. Re-tension belt or change
  2. Change belt

Cracks and spalling in the belt base

  1. Belt tension too low/high
  2. Service life exceeded
  3. Foreign object ingress

Solution

  1. Change belt, set the correct tension

Belt breaks after brief running time

  1. Strength member damaged as a consequence of incorrect installation
  2. Tension too high

Solution

  1. Change belt and fit correctly
  2. Change belt, set the correct tension

Belt contaminated

    Leakage from the engine or accessories (e.g. leakage of oil, anti-freeze etc.)

Solution

    Stop leakage, change belt

Hardened, polished flanks (different belt to belt tension in a set)

  1. Pulleys not aligned
  2. Strength member damaged by incorrect installation
  3. Incorrect set composition

Solution

  1. Check drive, align non-aligned pulleys and fit new belt set correctly
  2. Change belt and fit correctly
  3. Always change the complete belt set

High flank wear/flanks embrittled

  1. Slip is too high
  2. Pulleys not aligned
  3. Pulley grooves worn out

Solution

  1. Change belt, set the correct tension
  2. Check drive; align pulleys that are not in line and if necessary replace
  3. Align pulleys or replace, change belt