Service manual

HEC-Series Service Manual
TABLE OF CONTENTS
10/23/01
v
Ice Selector Switch, FIGURE 9-7................................................................................................................ 9-8
Ice Selector Switch...................................................................................................................................... 9-8
Control Circuit Protection ........................................................................................................................... 9-9
Circulating Water Pump Motor ................................................................................................................... 9-9
Condenser Cleaning..................................................................................................................................... 9-9
Air-Cooled Condenser................................................................................................................................. 9-10
Cutter Gear Reducer.................................................................................................................................... 9-10
Cutter Bearing ............................................................................................................................................. 9-10
Cutter and Gear Drive.................................................................................................................................. 9-11
Cutter-Water Tank Assembly, FIGURE 9-8................................................................................................ 9-12
Cutter-Water Tank Parts, FIGURE 9-9 ....................................................................................................... 9-13
Cutter Drive Parts, FIGURE 9-10 ............................................................................................................... 9-14
Cutter Parts, FIGURE 9-11 ......................................................................................................................... 9-15
Ice Discharge Arrangement, FIGURE 9-12................................................................................................. 9-16
Pumping Down Freezer............................................................................................................................... 9-17
Removal Of Refrigerant From Machine...................................................................................................... 9-17
Refrigerant Leaks ........................................................................................................................................ 9-18
Non-Condensable Gases.............................................................................................................................. 9-18
Compressor Motor Burnout......................................................................................................................... 9-18
Solenoid Valve (Liquid Line and Thawing Gas), FIGURE 9-13................................................................. 9-19
Solenoid Valves........................................................................................................................................... 9-19
Water Distributors ....................................................................................................................................... 9-19
Water Tank.................................................................................................................................................. 9-20
CPR (Crank Pressure Regulator), FIGURE 9-14 ........................................................................................ 9-20
CPR Valve Settings, TABLE 9-2 ................................................................................................................ 9-21
Cylinder Ice to Crushed Ice Conversion...................................................................................................... 9-21
Cylinder to Crushed, Terminal Block jumper Locations, FIGURE 9-15 ............................................. 9-21
Recommended Freezer Pressure Setting, TABLE 9-3.......................................................................... 9-22
Freezer Pressure Switch, FIGURE 9-16............................................................................................... 9-22
Recommended Ice Weights/Cycle, TABLE 9-4................................................................................... 9-23
Single to Dual Ice Conversion.............................................................................................................. 9-23
10. MODEL NUMBER STRUCTURE FOR HEC MACHINES................................................................ 10-1