Vogt Tube-Ice P-24A, Service Manual

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P24AL & P34AL Service Manual
TABLE OF CONTENTS
5/31/11
iii
Page No.
7. MAINTENANCE
Preventive Maintenance.................................................................................................................................................7-1
Preventative Maintenance Form ....................................................................................................................................7-2
Ice-Making Section........................................................................................................................................................7-3
Cleaning Procedure........................................................................................................................................................7-3
Water Distributors, TABLE 7-1 ....................................................................................................................................7-3
Average Hole Size in Tube-Ice

, TABLE 7-2...............................................................................................................7-4
Water Tank ....................................................................................................................................................................7-4
Water Cooled Condenser Cleaning ...............................................................................................................................7-5
Cooling Tower / Evap Condenser .................................................................................................................................7-5
Cooling Tower Maintenance Schedule, TABLE 7-3 .....................................................................................................7-5
Compressor ...................................................................................................................................................................7-6
Compressor Maintenance, TABLE 7-4 .........................................................................................................................7-7
Cutter Gear Reducer ......................................................................................................................................................7-7
V-Belt Maintenance.......................................................................................................................................................7-8
8. TROUBLESHOOTING
List Of Symptoms..........................................................................................................................................................8-1
Machine Stopped ...........................................................................................................................................................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, 8-7
Poor Ice Quality.............................................................................................................................................................8-7
High Discharge Pressure................................................................................................................................................8-8
Low Discharge Pressure ................................................................................................................................................8-9
High Suction Pressure....................................................................................................................................................8-9
Compressor Running Unloaded During Freeze .............................................................................................................8-9
Compressor Oil Pressure Low .......................................................................................................................................8-10
Compressor Loosing Oil Excessively ............................................................................................................................8-10
Machine Short Cycles....................................................................................................................................................8-11
Shut Down By Oil Pressure Switch ...............................................................................................................................8-11
High Compressor Discharge Temperature.....................................................................................................................8-11
Suction Line Frosting To Compressor ...........................................................................................................................8-11