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03TA Service Manual
Ice-Making Section ........................................................................................................................................................ 7-1
Cleaning Procedure ........................................................................................................................................................ 7-1
Sanitizing Procedure ..................................................................................................................................................... 7-2
Water Distributors ......................................................................................................................................................... 7-3
Water Tank .................................................................................................................................................................... 7-3
Water-Cooled Condensers, Checking Operation ........................................................................................................... 7-3
Water-Cooled Condensers, Draining ............................................................................................................................. 7-4
Water-Cooled Condenser Cleaning ............................................................................................................................... 7-4
Lubrication .................................................................................................................................................................... 7-6
Compressor .................................................................................................................................................................... 7-6
Cutter Gear Reducer ...................................................................................................................................................... 7-7
Preventive Maintenance ................................................................................................................................................. 7-8
Daily /Weekly / Monthly / Yearly Check List ......................................................................................................... 7-8
Pressure Relief Valve Replacement Note ................................................................................................................ 7-8
Note To Manager or Owner ..................................................................................................................................... 7-9
Preventive Maintenance Program ............................................................................................................................ 7-10
List Of Symptoms .......................................................................................................................................................... 8-1
Machine Won't Run ...................................................................................................................................................... 8-2, 8-3
Freeze-Up Due To Extended Freezing Period ............................................................................................................... 8-4
Freeze-Up Due To Ice Failing To Discharge ................................................................................................................. 8-5
Low Ice Capacity ........................................................................................................................................................... 8-6
Low Compressor Oil Level ............................................................................................................................................ 8-7
Poor Ice Quality ............................................................................................................................................................. 8-8
High Head Pressure (Water-Cooled) ............................................................................................................................. 8-9
High Head Pressure (Air-Cooled) .................................................................................................................................. 8-10
Adjustable Blowdown (For Clearer Ice) ........................................................................................................................ 9-1
Water Pump/ Blowdown Assembly, FIGURE 9-1 ........................................................................................................ 9-1
Automatic Blowdown (Harvest Cycle) .......................................................................................................................... 9-1
Float Valve (Make-Up Water) ....................................................................................................................................... 9-1
Thermal Expansion Valve, FIGURE 9-2 ....................................................................................................................... 9-2
Superheat / Checking Superheat ................................................................................................................................. 9-2
Freezer Pressure Switch ................................................................................................................................................. 9-3
Freezer Pressure Switch (Allen-Bradley), FIGURE 9-3 ................................................................................................ 9-3
High-Low Pressure Switch ............................................................................................................................................ 9-4
High-Low Pressure Switch, FIGURE 9-4 ...................................................................................................................... 9-4
Head Pressure ................................................................................................................................................................ 9-4
Water-Cooled Units ....................................................................................................................................................... 9-4
Air-Cooled Units ........................................................................................................................................................... 9-5
Water Regulating Valve, FIGURE 9-5A ....................................................................................................................... 9-5
Condenser Fan Switch, FIGURE 9-5B .......................................................................................................................... 9-5
4/11/14
TABLE OF CONTENTS
Page No.
iii
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