Scotsman Ice NME654, NME454, FME804, FME504 manual Auger Maintenance

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NME454, 654 & FME504, 804

AUGER MAINTENANCE

In some areas, the water supply to the ice maker will contain a high concentration of minerals, and that will result in an evaporator and auger becoming coated with these minerals, requiring a more frequent removal than twice per year. If in doubt about the condition of the evaporator and auger, the auger can be removed so the parts can be inspected.

Note: Water filters can filter out suspended solids, but not dissolved solids. “Soft” water may not be the complete answer. Check with a water treatment specialist regarding water treatment. For more information on removal of these parts, see REMOVAL AND REPLACEMENT.

1.To remove the auger, remove the front and top panels.

2.Push bail clamp back from the top of the chute cover.

3.Unscrew and remove ice sweep.

ICE SWEEP

BREAKER

COVER

FME Components

Shown, NME similar.

4.Remove 4 allen screws holding breaker to evaporator.

5.Pull up to remove auger.

After the auger has been removed, allow the auger to dry: if the auger is not bright and shiny, it must be cleaned.

Clean the auger and evaporator as required. DO NOT HONE THE EVAPORATOR.

FME Components

Shown, NME similar.ALLEN SCREWS

BREAKER &

BEARING &

AUGER

ASSEMBLY

7.Replace the water seal.

8.Reverse to reassemble.

January 2007

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Contents Introduction NME454, 654 & FME504Installation Limitations For the InstallerNME654 Dispenser Applications Fuse Charge Ampacity Size 404ASample BIN and Machine Combinations Water Limitations LocationAirflow Notice For the Installer LocationUse only ¾ rigid tubing For the PlumberFor the Electrician Final Check List Initial Start UP There are no Adjustments to MAKE, so replace the panelsComponent Description Low Pressure Cut Out SwitchNME454, 654 & FME504 On/Off mode Switch Manual control for Control BOX ComponentsAutoSentry Control Board Start Up Electrical SequenceShut Down Control Board Protection DevicesWater Level The correct water level should be Operation WaterOperation Refrigeration Refrigeration SchematicOperation Performance Cleaning & Sanitizing ICE Making System In place cleaningSanitizing Sensor Maintenance AIR Cooled Maintenance Clean the air cooled condenserHazardous Moving Parts Bearing Maintenance OffAt least two times per year Auger Maintenance Symptom Possible Cause Probable Correction Service DiagnosisSymptom Possible Cause Probable Correction Control System Diagnostics BIN Controls Ice Level Sensors Removal and Replacement Bin ControlsTo Remove the Breaker Bearing Assembly Removal and Replacement Bearing And BreakerTo Remove the Auger Removal and Replacement AugerAuger is Stuck,Removal and Replacement Water Seal To Remove the Water SealTo Replace the Water Seal Removal and Replacement Evaporator Heat sink the TXV body when unsweating orResweating the adjacent tubing Removal and Replacement Gear Reducer and Motor Refrigeration System Service Access Valves To useInstructions for Liquid Charging R-404A If the machine is off, not making ice What to do Before Calling for Service
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FME504, FME804, NME654, NME454 specifications

Scotsman Ice Systems is known for its high-quality ice machines, and models such as the NME454, NME654, FME804, and FME504 are no exceptions. Designed with both performance and efficiency in mind, these machines cater to various business needs, from restaurants to convenience stores.

The NME454 and NME654 units are renowned for their compact design, making them ideal for establishments with limited space. Despite their smaller size, these machines do not compromise on ice production capacity. The NME454 can produce up to 430 pounds of ice per day, while the NME654 boasts an impressive output of up to 600 pounds. Both models utilize Scotsman's signature innovative technology to ensure consistent ice quality, primarily in the form of nugget ice, which is favored for its ability to cool beverages quickly.

In contrast, the FME804 and FME504 are larger-capacity machines that cater to high-volume requirements. The FME804 can produce around 800 pounds of ice daily, making it suitable for busy restaurants or bars. The FME504, while slightly smaller, still offers impressive production capabilities of up to 500 pounds per day. These machines incorporate advanced features such as the AquaArmor protective layer, which inhibits bacterial growth, ensuring that the ice produced is not only abundant but also hygienic.

All four models utilize an innovative air-cooled design that enhances energy efficiency and reduces operational costs. The easy-to-use control panel allows for straightforward operation, and maintenance is streamlined thanks to easily accessible components. Additionally, the quiet operation of the machines ensures that they can be used in front-of-house areas without distracting customers.

In terms of construction, Scotsman ice machines are built to last with corrosion-resistant materials, ensuring longevity in demanding environments. With simple installation processes and compatibility with various environments, including indoor and outdoor settings, these units provide adaptability for any business scenario.

Overall, Scotsman’s NME454, NME654, FME804, and FME504 ice machines combine robust performance with innovative technology, catering efficiently to diverse ice production needs while maintaining high standards of hygiene and reliability.
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