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10. Seal hole on inside and outside using Permagum in
the kit.
11. The two piece cover can now be installed to cover
heat exchanger. One cover is closed on one end.
This is top section and will be installed last. Using
section that is open on both ends, set it even with
bottom of compressor compartment opening. Using
screws provided with kit, screw cover to back of
cabinet. Screws will cut their own holes so no
predrilling is necessary. (See Figure 4.)
Line lower cover up with top of machine compartment
opening.
12. Upper section closed end should be installed at
top against seam between painted cabinet and back
galvanized part of cabinet. Bottom of cover will
overlap lower section. Attach upper cover using
remainder of screws.
13. Replace Drier-Filter. Pump down and recharge
system.
14. Allow product to run and make sure refrigerant is
circulating. Reinstall evaporator cover and
compressor 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 cut out of 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.
This kit contains:
1 Copper Bypass Tube
1 Drier-Filter
3 Clamps
3 Screws
Using screws in kit
to attach cover to
back of cabinet.
FIGURE 4
1
Plastic Sleeve
1
Heater Wire
1
Harness Adapter
2
Wire Connectors
BYPASSING PERIMETER HOT TUBE - STEP 1
1. Disconnect service cord from power supply.
2. Recover refrigerant from system.
3. Remove filter-dryer.
4. Using tubing cutter, cut and de-burr tubing from
perimeter hot tube at points shown in figure below.
Compressor
Condenser fan motor
5. Install copper bypass tube and replacement filter-
dryer as shown in figure below. Use 45% silver
solder for all connections.
Cut at filter-drier inlet.
Filter-dryer
6. Drill or pierce three holes in cabinet to hold
clamps. Secure by-pass tube just below cabinet
edge with three clamps and screws provided.
NOTE: When clamped in place, the by-pass tube
should NOT touch any plastic lines, like water
lines for ice makers and/or filters, as well as drain
lines.
7. Evacuate and recharge refrigeration system. Refer
to serial plate for correct charge.
42
Condenser
Cut at weld between
condenser and hot tube.
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