Drive Belt: Testing and Inspection

AP13.22-P-1351MCU Check Poly-V Belt For Wear And Damage







1 Expansion clip
2 Pin
3 Cover
4 Poly-V belt of refrigerant compressor (with code (I01) Air conditioning Plus)
5 Poly-V-belt
6 Center bolt

Damage profiles







A New poly-V
B Wear to flanks: Poly-V are pointed (new: trapezoidal)
C Cords are visible at the base of the poly-V (lighter points).
D Transverse cracks across the back
E Poly-V released from base of the poly-V belt (arrow)
F Fraying of outer cords
G Cord torn out at the side
H Transverse cracks in several poly-V
J Poly-V fractures
K Single poly-V transverse cracks
L Dirt or stones embedded in ribs
M Rubber lumps in base of poly-V