Manitowoc QD1092N Specifications download pdf (Page 38)

Maintenance Section 4

4-6 Part Number 000001759

ADDITIONAL COMPONENT REMOVAL

The following components may be removed for easier

access in some installations or they may need to be

removed and cleaned to correct an operational problem.

Water Inlet Valve

The water inlet valve normally does not require removal

for cleaning. Refer to Section 5 for a list of causes for

“No Water Entering Water Trough” or “Water Overflows

Water Trough.

1. When the ice machine is off, the water inlet valve

must completely stop water flow into the machine.

2. When the ice machine is on, the water inlet valve

must allow the proper water flow through it. Set the

toggle switch to ON. Watch for water flow into the ice

machine. If the water flow is slow or only trickles into

the ice machine, refer to Section 5.

Follow the procedure below to remove the water inlet

valve.

1. Remove the 1/4” hex head screws.

2. Remove, clean, and install the filter screen.

Water Dump Valve

The water dump valve normally does not require

removal for cleaning. To determine if removal is

necessary:

1. Set the toggle switch to ICE.

2. Verify the water trough fills with water at the

beginning of the freeze cycle.

3. While the ice machine is in the freeze mode, check

the water trough to determine if the dump valve is

leaking. If there is no or little water in the water

trough (during the freeze cycle) the dump valve is

leaking.

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 “Ice Machine Cleaning

Procedure”.

Follow the procedure below to remove the dump valve.

1. Leaving the wires attached, twist coil and rotate it

counter-clockwise1/4 turn.

2. Lift the coil assembly off the valve body.

3. Remove the spring, plunger, and nylon gasket from

the valve body.

NOTE: At this point, the water dump valve can easily be

cleaned. If complete removal is desired, continue with

step 4.

NOTE: During cleaning, do not stretch or damage the

spring.

4. Remove the tubing from the dump valve by twisting

the clamps off.

5. Twist the valve body to remove from mounting

bracket.

Warning

Disconnect the electric power to the ice machine

and dispenser at the electric service switch box and

turn off the water supply before proceeding.

FILTER

ACCESS

SCREWS

WATER

INLET

VALVE

FILTER

SCREEN

LOCATION

Warning

Disconnect the electric power to the ice machine at

the electric service switch box and turn off the water

supply before proceeding.

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Manitowoc QD1092N Specifications Page 38

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