62 Section E- Refrigeration System
14. Seal hole and end of old heat exchanger with
Permagum. (See Figure 6.)
15. Replacr Drier-Filter.
16. Evacuate and recharge system.
17. Bend remaining tubing to fit into machine
compartment opening, being careful not to
set up any excess noise from line vibration.
(See Figure 7.)
18. Run product to make sure refrigerant is
circulating.
19. Reinstall evaporator and machine
compartment cover.
PERIMETER HOT TUBE REPAIR KIT
Effective July 1, 1992, Section 608 of the Clean Air Act prohibits Individuals from
knowingly venting ozone depleting compounds used as refrigerants into the
atmosphere while maintaining, servicing, repairing, or disposing of refrigerant
equipment.
A hot tube repair kit is used to bypass a leaking Perimeter Hot Tube (Yoder-Loop).
The Perimeter Hot Tube must be bypassed in the sealed refrigeration system and
a low wattage heater wire installed inside the tube. This heater will prevent
condensation from forming on the exterior front edge of the cabinet.
Bypassing Perimeter Hot Tube - Step 1
1. Disconnect service cord from power supply.
2. Recover refrigerant from system.
3. Remove filter-drier.
4. Using tubing cutter, cut and de-burr tubing from perimeter hot tube at points
shown in figure below.
Hot Tube Heater Kit Contents:
1 Copper Bypass Tube 1 Plastic Sleeve
1 Drier-Filter 1 Heater Wire
3 Clamps 1 Harness Adapter
3 Screws 2 Wire Connectors
FIGURE 6
Using the permagum
provided in kit, seal hole
and end of old heat
exchanger.
FIGURE
7
Bend tubing as
shown to fit
inside machine
compartment.
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