Section 4 MaintenancePart Number 80-1560-3 4-9Water Dump ValveThe water dump valve normally does not requireremoval for cleaning. To determine if removal isnecessary:1. Locate the water dump valve.2. Set the toggle switch to ICE.3. While the ice machine is in the freeze mode, checkthe dump valve’s clear plastic outlet drain hose forleakage.A. If the dump valve is leaking, remove,disassemble and clean it.B. If the dump valve is not leaking, do not removeit. Instead, follow the “Cleaning Procedure”.Follow the procedure below to remove the dump valve.1. If so equipped, remove the water dump valve shieldfrom its mounting bracket.2. Lift and slide the coil retainer cap from the top of thecoil.3. Note the position of the coil assembly on the valvefor assembly later. Leaving the wires attached, liftthe coil assembly off the valve body and theenclosing tube.4. Press down on the plastic nut on the enclosing tubeand rotate it 1/4 turn. Remove the enclosing tube,plunger, and plastic gasket from the valve body.NOTE: At this point, the water dump valve can easily becleaned. If complete removal is desired, continue withstep 5.NOTE: During cleaning, do not stretch, damage orremove the spring from the plunger. If it is removed, slidethe spring’s flared end into the plunger’s slotted topopening until the spring contacts the plunger spring stop.5. Remove the valve body.6. Remove the tubing from the dump valve by twistingthe clamps off.7. Remove the two screws securing the dump valveand the mounting bracket.Dump Valve Disassembly! WarningDisconnect the electric power to the ice machine atthe electric service switch box and turn off the watersupply before proceeding.ImportantThe plunger and the inside of the enclosing tubemust be completely dry before assembly.CAPPLUNGERSPRING STOPSPRINGPLUNGERDIAPHRAMVALVE BODYENCLOSINGTUBECOIL