Disassembling spray arm on dishwasher

Dishwasher Repair
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1

CAN THE MIDDLE SPRAY ARM BE DISASSEMBLED TO CLEAN OUT? Holes are clogged and I can’t seem to get everything out. It is this arm;
http://www.appliancepartspros.com/Appliance-Parts/frigidaire-spray-arm-item-number-ap4508355.aspx

thanks,