100
TK 61555-2-MM-EN
Bypass Check Valve
Removal
1.
Pump down the low side and equalise the pressure to 0 psig (0 bar g).
2.
Front seat bypass hand valve.
3.
Unsolder the bypass check valve. Use a heat sink on the bypass check valve.
Installation
1.
Solder the bypass check valve onto the receiver tank. Use a heat sink on the bypass check
valve.
2.
Solder the bypass check valve line to the bypass check valve. Use a heat sink on the bypass
check valve.
3.
Replace Drier
4.
Back seat the By-pass Hand Valve and place unit in service.
Receiver Tank
Removal
1.
Recover the refrigerant charge.
2.
Unsolder the liquid Inlet line from the receiver tank. Use a heat sink on the bypass check
valve.
3.
Disconnect the filter Drier from the receiver tank. Use a heat sink on the bypass check valve.
4.
Unbolt the mounting brackets and remove the receiver tank from the unit.
Installation
1.
Place the receiver tank in the unit and install the mounting bolts and nuts loosely. Position
the receiver tank so the sight glass is clearly visible (through viewing hole in mounting
bracket) and the outlet tube lines up.
2.
Solder the inlet tube to the receiver tank. Use a heat sink on the bypass check valve.
3.
Tighten the receiver tank mounting hardware securely.
4.
Pressurize the refrigeration system and check for leaks. If no leaks are found, evacuate the
system.
5.
Replace Drier.
6.
Pressurise the refrigeration system and check for leaks. If no leaks are found, evacuate the
system.
7.
Charge the unit with correct refrigerant.
Expansion Valve Assembly
Removal
1.
Pump down the low side and equalize the pressure to slightly positive.
2.
Remove the evaporator access panels as needed.
3.
Remove the feeler bulb from the clamp. Note the position of the feeler bulb on the suction
line.
4.
Unsolder the equalizer line, inlet liquid line, and distributor from the expansion valve.
5.
Unsolder the inlet liquid line and the distributor from the expansion valve.
6.
Remove the expansion valve mounting bolt and remove the expansion valve from the unit.
