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Remote Evaporator Refrigeration Service Operations
178
Solenoid Valves
NOTE: Valves that have nylon seats must be
disassembled before soldering.
Removal
1. Pump down the low side and equalize the
pressure to slightly positive.
2. Remove the access panels.
3. Remove the coil and disassemble the valve.
4. Unsolder the refrigeration lines from the
valve, and remove the valve from the unit.
Installation
1. Clean the tubes for soldering.
2. Remove the coil, disassemble the valve, and
place the valve in position.
3. Solder the inlet and outlet connections. After
the valve cools, assemble the vale and install
the coil.
4. Pressurize the refrigeration system and test for
leaks.
5. If no leaks are found, evacuate the system.
6. Install the access panels.
7. Open the refrigeration valves and run the unit.
Check the refrigerant charge and compressor
oil. Add as required.
IMPORTANT: Truck Spectrum evaporators use
Suction Line Solenoids with bleed port, where
Trailer evaporators do not. Be careful not to
intermix the two solenoids.
Check Valve Replacement
Removal
1. Pump down the low side and equalize the
pressure to slightly positive.
2. Remove the access panels.
3. Unsolder lines and remove the check valve.
NOTE: Disassemble the valve before
unsoldering.
Installation
1. Clean the tubes for soldering.
2. Place the disassembled check valve in
position. The arrow on the valve body
indicates the direction of refrigeration flow
through valve.
3. Solder the inlet and outlet connections. After
the valve cools, reassemble it.
4. Pressurize the low side and test for leaks. If no
leaks are found, evacuate the low side.
5. Install the access panels.
6. Open the refrigeration valves and place the
unit in operation. Check the refrigerant charge
and the compressor oil. Add as required.
CAUTION: Use a heat sink to prevent
damaging the valve
CAUTION: Use a heat sink to prevent
damaging the valve.
Содержание SPECTRUM TS 30 SR NAD
Страница 4: ...4 ...
Страница 10: ...Table of Contents 10 ...
Страница 20: ...Safety Precautions 20 ...
Страница 51: ...Unit Description 51 Figure 19 Front View Figure 20 Back View AJA1350 AJA1500 ...
Страница 52: ...Unit Description 52 1 On Off Switch Figure 21 Side View 1 ...
Страница 60: ...Unit Description 60 ...
Страница 80: ...SPECTRUM TS Operation 80 ...
Страница 90: ...Electrical Maintenance 90 ...
Страница 100: ...Engine Maintenance 100 Figure 130 Early TK 3 95 Fuel and Oil System Components ...
Страница 102: ...Engine Maintenance 102 Figure 131 Late TK 3 95 Fuel and Oil System Components ...
Страница 104: ...Engine Maintenance 104 Figure 132 TK376 Fuel and Oil System Components ...
Страница 136: ...Refrigeration Maintenance 136 ...
Страница 156: ...Hilliard Clutch Maintenance 156 ...
Страница 158: ...Structural Maintenance 158 ...
Страница 168: ...Remote Evaporator Specifications 168 ...
Страница 170: ...Remote Evaporator Maintenance Inspection Schedule 170 ...
Страница 176: ...Remote Evaporator Electrical Maintenance 176 ...
Страница 180: ...Remote Evaporator Refrigeration Service Operations 180 ...
Страница 182: ...Remote Evaporator Structural Maintenance 182 ...
Страница 184: ...Remote Evaporator System Diagnosis 184 ...
Страница 188: ...Wiring and Schematic Diagrams Index 188 ...
Страница 189: ...189 Wiring Diagram Page 1 of 4 ...
Страница 190: ...190 Wiring Diagram Page 2 of 4 ...
Страница 191: ...191 Wiring Diagram Page 3 of 4 ...
Страница 192: ...192 Wiring Diagram Page 4 of 4 ...
Страница 193: ...193 Schematic Diagram Page 1 of 3 ...
Страница 194: ...194 Schematic Diagram Page 2 of 3 ...
Страница 195: ...195 Schematic Diagram Page 3 of 3 ...
Страница 196: ...196 ...