Scotsman Ice FME804, NME454, NME654, FME504 manual Removal and Replacement Bearing And Breaker

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FME Components Shown, NME similar.

NME454, 654 & FME504, 804

REMOVAL AND REPLACEMENT: Bearing And Breaker

Hazardous Moving

Parts.

Moving auger can cause personal injury. Disconnect electrical power before beginning.

Note: Removal of the auger, water seal, evaporator and gear reducer must begin at the top of the assembly.

To Remove the Breaker Bearing Assembly:

1.Remove panels and disconnect electrical power.

2.Pull the bail clamp off of the chute cover.

3.Unscrew and remove ice sweep.

4.Lift up and remove ice chute.

5.The breaker may be removed from the auger and evaporator without disturbing the auger.

a.Unscrew breaker cover from breaker (left hand threads)

b.Unscrew auger stud from top of auger.

c.Unscrew 4 allen head cap screws holding breaker to evaporator.

d.Lift up, and remove breaker/bearing assembly from auger & evaporator.

6.Service the bearing. Check for rust, rough spots and damage.

a.The bearing is pressed into the breaker, to remove the bearing and replace it an arbor press is needed.

b.Replace lower seals before installing new bearing in breaker.

Note: seals must be pressed in with a tool pushing against the outer edge only, they will not install by hand.

Replace parts as required. Re-grease bearing with Scotsman part no. A36808-001 bearing grease. Replace top seal, and check the o-rings, replace if cut or torn.

7.Reverse to reassemble: specific tools and materials are required to install properly.

a. Add food grade grease such as Scotsman part number 19-0569-01 to the seal area before installing on the auger.

b. Check the seal to shaft areas for cuts, or rough spots: none are permitted.

Step 5-a

Step 5-b

Step 5-c and Step 6

 

 

BEARING

 

ICE

 

 

SWEEP

SEALS

 

 

AUGER

STUD

BREAKER

COVER

January 2007

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Contents NME454, 654 & FME504 IntroductionNME654 Dispenser Applications For the InstallerInstallation Limitations Fuse Charge Ampacity Size 404ASample BIN and Machine Combinations Location Water LimitationsFor the Installer Location Airflow NoticeFor the Plumber Use only ¾ rigid tubingFor the Electrician Final Check List There are no Adjustments to MAKE, so replace the panels Initial Start UPLow Pressure Cut Out Switch Component DescriptionNME454, 654 & FME504 AutoSentry Control Board On/Off mode Switch Manual control forControl BOX Components Shut Down Electrical SequenceStart Up Control Board Protection DevicesOperation Water Water Level The correct water level should beRefrigeration Schematic Operation RefrigerationOperation Performance Sanitizing Cleaning & SanitizingICE Making System In place cleaning Sensor Maintenance Hazardous Moving Parts AIR Cooled MaintenanceClean the air cooled condenser At least two times per year Bearing MaintenanceOff Auger Maintenance Service Diagnosis Symptom Possible Cause Probable CorrectionSymptom Possible Cause Probable Correction Control System Diagnostics Removal and Replacement Bin Controls BIN Controls Ice Level SensorsRemoval and Replacement Bearing And Breaker To Remove the Breaker Bearing AssemblyAuger is Removal and Replacement AugerTo Remove the Auger Stuck,To Replace the Water Seal Removal and Replacement Water SealTo Remove the Water Seal Resweating the adjacent tubing Removal and Replacement EvaporatorHeat sink the TXV body when unsweating or Removal and Replacement Gear Reducer and Motor Instructions for Liquid Charging R-404A Refrigeration System ServiceAccess Valves To use What to do Before Calling for Service If the machine is off, not making ice
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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.

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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.