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Ice Maker
Hoshizaki
service manual Ice Purge Cycle, When reservoir has filled, gear motor starts F-300BAF
Models:
F-300BAF
1
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Specs
F-300BAF, F-500BAF Sequence Flow Chart and Component Operation
V. Removal and Replacement of Components
Maintenance
Number Issued Revised
IV. Service Diagnosis A. Diagnostic Procedure
Evaporator Assembly
Sanitizing Procedure - Initial
D. Timer Board
Cleaning - Flush Switch
Page 19
Image 19
2. Ice Purge Cycle
When reservoir has filled, gear motor starts.
F-300BAF
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Page 19
Image 19
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Contents
HoshizakiHoshizaki America, Inc
Number Issued Revised
“A Superior Degree of Reliability”
Self-Contained Flaker Model F-300BAF SERVICE MANUAL
Page
CONTENTS
1. Upper Bearing Wear Check
1. F-300BAF
I. Specifications A. Icemaker
Bin Control Spout Evaporator Gear Motor Compressor
II. General Information A. Construction
The switch actuator is located in the ice storage bin
1. F-300BAF
B. Ice Making Unit
a Auxiliary Code K-1 and Earlier
C. Control Box Layout
b Auxiliary Code K-2 and L-0
1. F-300BAF
d Auxiliary Code M-1 and Later
c Auxiliary Code L-1 and M-0
1. Solid-State Timer Board Control
D. Timer Board
2. Fill Cycle
E. Sequence of Operation
F. Ice Production Check
1. Startup
2. Shutdown & Restart
F-300BAF, F-500BAF Sequence Flow Chart and Component Operation
Components Energized when the Flush Switch is in the FLUSH Position
1. Startup
F-300BAF
III. Technical Information A. Water Circuit and Refrigeration Circuit
1. Auxiliary Code K-1 and Earlier
B. Wiring Diagram
F-300BAF
2. Auxiliary Code K-2 and L-0
F-300BAF
3. Auxiliary Code L-1 and M-0
F-300BAF
4. Auxiliary Code M-1 and Later
1. Fill Cycle
C. Sequence of Electrical Circuit
When reservoir has filled, gear motor starts F-300BAF
2. Ice Purge Cycle
F-300BAF
3. Freeze Cycle
F-300BAF
4. Shutdown
F-300BAF
5. Cleaning - Flush Switch
F-300BAF
6. Low Water Safety
F-300BAF
7. Spout Safety Switch
In case of high pressure, pressure switch shuts down unit F-300BAF
8. High Pressure Switch
1. F-300BAF
D. Performance Data
IV. Service Diagnosis A. Diagnostic Procedure
Page
Possible Cause
B. Diagnostic Charts
1. No Ice Production
Problem
Possible Cause
Problem
Remedy
Possible Cause
2. Low Ice Production
Problem
Problem
Remedy
3. Other
Problem
Possible Cause
2. Evacuation and Recharge R-404A
V. Removal and Replacement of Components
A. Service for Refrigerant Lines
1. Refrigerant Recovery
B. Brazing
C. Removal and Replacement of Compressor
E. Removal and Replacement of Expansion Valve
D. Removal and Replacement of Drier
13 Plug the unit back in
8 Check for leaks using nitrogen gas 140 PSIG and soap bubbles
11 Place the expansion valve cover in position
12 Replace the panels in their correct positions
F. Removal and Replacement of Evaporator Assembly Components
1. Upper Bearing Wear Check
2. Removal and Replacement of Cutter
4. Removal and Replacement of Auger
3. Removal and Replacement of Extruding Head
5. Removal and Replacement of Evaporator
6a. Mechanical Seal
6. Removal and Replacement of Mechanical Seal and Lower Housing
7. Removal and Replacement of Gear Motor
6b. Lower Housing
H. Removal and Replacement of Inlet Water Valve
G. Removal and Replacement of Fan Motor
I. Removal and Replacement of Flush Water Valve
9 Pour water into the reservoir, and check for water leaks
12 Move the flush switch to the ICE position 13 Check for water leaks
15 Move the flush switch to the ICE position
8 Connect the hose to the water valve and secure it with the clamp
2. Cleaning Procedure
VI. Cleaning and Maintenance
A. Cleaning and Sanitizing Instructions
1. Cleaning Solution
Evaporator Assembly
3. Sanitizing Solution
Spout A Spout A Packing
Snap Pin
4. Sanitizing Procedure - Initial
5. Sanitizing Procedure - Final
Bracket
22 Turn on the power supply and start the automatic icemaking process
18 Move the flush switch to the ICE position and run the icemaker
19 Turn off the power supply after 30 minutes
21 Flush out any solution from the storage bin
3 Air Filter
B. Maintenance
1 Stainless Steel Exterior
2 Storage Bin and Scoop
C. Preparing the Icemaker for Long Storage