Section 4 | Maintenance |
Water Dump Valve
The water dump valve normally does not require removal for cleaning. To determine if removal is necessary:
1.Locate the water dump valve.
2.Set the toggle switch to ICE.
3.While the ice machine is in the freeze mode, check the dump valve’s clear plastic outlet drain hose for leakage.
A.If the dump valve is leaking, remove, disassemble and clean it.
B.If the dump valve is not leaking, do not remove it. Instead, follow the “Cleaning Procedure” on page
Follow the procedure below to remove the dump valve.
WARNING
Disconnect the electric power to the ice machine at the electric service switch box and turn off the water supply before proceeding.
1.If so equipped, remove the water dump valve shield from its mounting bracket.
2.Lift and slide the coil retainer cap from the top of the coil.
3.Note the position of the coil assembly on the valve for assembly later. Leaving the wires attached, lift the coil assembly off the valve body and the enclosing tube.
4.Press down on the plastic nut on the enclosing tube and rotate it 1/4 turn. Remove the enclosing tube, plunger, and plastic gasket from the valve body.
3. RETAI NING CAP
DRAIN
HOSECOIL
WATER |
|
DUMP | DO NOT |
VALVE | DISCONNECT |
VALVE | WIRES AT COIL |
| |
SHIELD |
|
Dump Valve Removal
Important
The plunger and the inside of the enclosing tube must be completely dry before assembly.
NOTE: During cleaning, do not stretch, damage or remove the spring from the plunger. If it is removed, slide the spring’s flared end into the plunger’s slotted top opening until the spring contacts the plunger spring stop.
5.Remove the valve body.
6.Remove the tubing from the dump valve by twisting the clamps off.
7.Remove the two screws securing the dump valve and the mounting bracket.
| PLUNGER |
CAP | SPRING STOP |
|
Dump Valve Disassembly
NOTE: At this point, the water dump valve can easily be cleaned. If complete removal is desired, continue with step 5.
COIL
SPRING
ENCLOSING
TUBE
PLUNGER
3. DIAPH RAM
VALVE BODY
Dump Valve Disassembly