COOLING UNIT DISASSEMBLY/ASSEMBLY

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Caution
•  If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always immediately plug all open fittings after removing any refrigeration cycle parts to keep moisture or foreign material out of the cycle.

1.  Disassemble in the order indicated in the table.

2.  Assemble in the reverse order of disassembly.

Type A

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1
Polyurethane protector
2
Cooler case (1)
3
Cooler case (2)
4
Thermoswitch (With heater)
(See Thermoswitch and Thermistor Assembly Note.)
Thermistor (Without heater)
(See Thermoswitch and Thermistor Assembly Note.)
5
Evaporator
6
Expansion valve
(See Expansion Valve assembly Note.)
7
High pressure pipe

Type B

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1
Polyurethane protector
2
Cooler case (1)
3
Cooler case (2)
4
Thermoswitch (With heater)
(See Thermoswitch and Thermistor Assembly Note.)
Thermistor (Without heater)
(See Thermoswitch and Thermistor Assembly Note.)
5
Evaporator
6
Expansion valve
7
Evaporator pipe


Expansion Valve assembly Note

•  Replace the O-rings at the expansion valve joints and apply compressor oil to the O-rings and connect the joints.
•  Tighten the joint to the specified torque using two open-end wrenches.
•  Assemble the heat-sensing tube as shown in the figure.
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Thermoswitch and Thermistor Assembly Note

1.  Assemble the thermoswitch or thermistor as shown in the figure.

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Evaporator size: 81 mm {3.2 in}

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Evaporator size: 60 mm {2.4 in}

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