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Posted in: Delivery System Parts
Red cartridge is the water relay for the block. Think of it as a Clippard valve, it gets a signal from the foot control that activates the water flow through the block. A-dec #38.0520.00 DCI PN 9169
Blue cartridge is a check valve for the flush water. It allows flush water through it but prevents coolant water from back flowing into adjacent blocks. A-dec #38.0518.00 DCI PN 9168
Brass cartridge is the holdback air bleed. It has a very small hole through it (.005 in) that feeds a restricted flow of air into the top cap and to the holder valve. A-dec #38.0517.00 DCI PN 9167