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IV. SERVICE DIAGNOSIS ................................................................................................. 41
1. NO ICE PRODUCTION .............................................................................................. 41
2. EVAPORATOR IS FROZEN UP................................................................................. 44
3. LOW ICE PRODUCTION ........................................................................................... 45
4. ABNORMAL ICE ........................................................................................................ 45
5. OTHERS .................................................................................................................... 45
V. REMOVAL AND REPLACEMENT OF COMPONENTS................................................ 46
1. SERVICE FOR REFRIGERANT LINES .................................................................... 46
[a] REFRIGERANT RECOVERY ............................................................................. 46
[b] EVACUATION AND RECHARGE [R-404A] ........................................................ 46
2. BRAZING ................................................................................................................... 47
3. REMOVAL AND REPLACEMENT OF COMPRESSOR ............................................ 48
4. REMOVAL AND REPLACEMENT OF DRIER ........................................................... 50
5. REMOVAL AND REPLACEMENT OF EXPANSION VALVE...................................... 50
6. REMOVAL AND REPLACEMENT OF HOT GAS VALVE AND LINE VALVE ............. 51
7. REMOVAL AND REPLACEMENT OF EVAPORATOR .............................................. 53
8. REMOVAL AND REPLACEMENT OF WATER REGULATING VALVE -
WATER-COOLED MODEL ONLY .............................................................................. 54
9. ADJUSTMENT OF WATER REGULATING VALVE - WATER-COOLED
MODEL ONLY ........................................................................................................... 55
10. REMOVAL AND REPLACEMENT OF CONDENSING PRESSURE
REGULATOR (C.P.R.) - REMOTE AIR-COOLED MODEL ONLY ............................ 56
11. REMOVAL AND REPLACEMENT OF THERMISTOR ............................................. 57
12. REMOVAL AND REPLACEMENT OF FAN MOTOR ............................................... 58
13. REMOVAL AND REPLACEMENT OF WATER VALVE ............................................ 59
14. REMOVAL AND REPLACEMENT OF PUMP MOTOR ............................................ 59
15. REMOVAL AND REPLACEMENT OF SPRAY TUBES ........................................... 60
VI. CLEANING AND MAINTENANCE INSTRUCTIONS................................................... 61
1. PREPARING THE ICEMAKER FOR LONG STORAGE............................................. 61
2. CLEANING AND SANITIZING PROCEDURES ........................................................ 63
[a] CLEANING PROCEDURE ................................................................................. 64
[b] SANITIZING PROCEDURE ................................................................................ 66
3. MAINTENANCE......................................................................................................... 67