Damage Profiles For A Poly-V Belt - AP13.22-P-1351-01A
Engine 102, 103, 104, 111, 112, 113, 119, 120, 133, 137, 139, 152, 155, 156, 157, 159, 166, 176, 177, 178, 254, 260, 264, 266, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 281, 282, 285, 602, 603, 604, 605, 606, 607, 608, 611, 612, 613, 626, 628, 629, 640, 642, 646, 647, 648, 651, 654, 656, 668
In all cases of damage, do not
reuse the poly-V-belt.
Replace poly-V-belt and the component parts causing damage subject to separate repair order.
Consequential damage can otherwise occur.
Flanks of the poly-V belts worn
The poly-V-belts show signs of wear or they are pointed instead of trapezoidal. Look out for non-aligned and damaged belt pulleys.
Tensile cord (brighter points) visible in base of poly-V belt
The backing of the belt is damaged
The surface layer exhibits transverse or longitudinal cracks.
Poly-V belt detached from poly-V belt base
Fraying of outer cords
Pay attention to belt pulleys and guide pulleys.
Cord torn out at the side
Pay attention to belt pulleys and guide pulleys.
Transverse cracks in several poly-V
Chippings on poly-V belt
Individual transverse cracks in the poly-V belt
Dirt or stones embedded in ribs
Pay attention to belt pulleys and guide pulleys.
Heavy wear and deposits and lumps of rubber in base of rib
Swelling through contact with engine oil, coolant, cold cleaning solvent etc.
Increase in belt width > 0.7 mm (0.03 inches).
Look out for leaks in the major assemblies.