Drive Nut (Non-OEM):• (Pink) unknown

material• Roll pin with high

probability to fall out

Drive Nut (Non-OEM):• (Pink) unknown

material• Roll pin with high

probability to fall outMissing roll pin!

Drive Nut (OEM):• (Yellow) Material

specified for customer application

• Solid dowels to secure drive nut

Cleaning Disk Plate:When roll pin fails, drive nuts spin between cleaning disk plates wearing out more expensive metal parts.

Worn Cleaning Doctor:Worn cleaning doctor resulting in large gap between it and wedge wire element.

Blown Out Wedge Wire Element:Worn portions and blow outs in wedge wire element caused by filter blinding, improper cleaning