How does the MasterCool Deluxe Orifice Tube Service Kit remove and install orifice tubes? (MasterCool Deluxe Orifice Tube Service Kit Instructions Manual)

Answer

manuals.plus

Feb 24, 2025 - 01:15 AM


To remove the orifice tube using the MasterCool 92311 Deluxe Orifice Tube Service Kit, follow these steps:

1. Recover any refrigerant from the system.
2. Disconnect the refrigerant line at the evaporator inlet and pour a small amount of refrigeration oil into the inlet for lubrication.
3.  xxxx  the brass extension onto the arbor.
4.  xxxx  the correct end (GM / Ford) onto the extension.
5. Back off the outer nut portion of the orifice tube remover/installer to the handle and insert the tip of the tool into the evaporator inlet.
6. While exerting a slight downward pressure on the tool, rotate its handle until the tool drops down and locks onto the tangs on the orifice tube.
7. Tighten the outer nut portion of the tool against the end of the evaporator inlet to remove the orifice tube.

To install the orifice tube using the MasterCool 92311 Deluxe Orifice Tube Service Kit, follow these steps:

1. Pour a small amount of refrigerant oil into the evaporator inlet.
2. Lubricate the o-rings on the new orifice tube.
3. Attach the new orifice tube to the orifice tube remover/installer, insert the assembly into the evaporator inlet, and push downward until the orifice tube is stopped by the dimples in the evaporator inlet line.
4. Turn the tool handle 1/8 turn to release it, withdraw it from the inlet, and reinstall the refrigerant line.

If a portion of the orifice tube has broken off, you can use the auger point shaft included in the kit to remove the remaining assembly from the evaporator inlet. Thread the  xxxx  tip portion of the tool into the metal tube in the center of the assembly and pull outward with a clockwise twisting motion. If this method fails, a special repair kit may be available for some systems.

Please note that this information is a summary of the instructions provided in the MasterCool 92311 Deluxe Orifice Tube Service Kit manual. For complete and accurate instructions, refer to the manual or visit the manufacturer's website at www.mastercool.com.