HP Indigo WS6600p Dripping Prevention and ITM Heating Hood Service -- CA393-10 - Page 2

Table of contents 1 Theory of operation...1 Unit location and function ...1 Unit components...1 Dripping prevention kit wiring schematic (for presses with external IHH 3 Dripping prevention kit wiring schematic (for presses without external IHH 4 Comparing the two wiring schematics ...6 More theory...6 2 Procedures ...7 Before you begin...7 Removing and installing the new ITM suction blower...7 Removing and installing a catch tray cover...10 Removing and installing the ITM Hood Heater blower...13 Replacing the ITM hood...14 Removing and installing the catch tray fan assembly...16 Removing and installing the IHH controller unit (for presses with external IHH controller 17 Wiring the dripping prevention kit...19 Wiring the cleaning station catch tray fan ...26 Wiring the Nautilair suction blower ...27 Wiring the IHH blower ...29 Wiring the EBV...30 3 Troubleshooting ...31 Overview ...31 ITM suction blower flow rate...31 DC fan (catch tray fan) ...32 IHH blower flow rate...33 IHH controller unit troubleshooting ...34 Baselining the dripping prevention kit ...36 Appendix A More theory ...63 Software settings ...63 Theory for presses without external IHH controller...63 Appendix B Revision history and confidentiality notice ...68 Revision history...68 ii