Ts532 Maytag Yoder Loop Heater Kit

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REFRIGERATION

Yoder Loop Heater Repair

TS

Bulletin

532

MODELS: PRODUCT TYPE:

ALL 1997 AND NEWER TOP

MOUNT VERTICAL

EVAPORATOR COIL

CONDITION

Leak in the yoder loop tubing.

CORRECTION

Order part number 12001492. See instructions below.

Admiral

Crosley

Jenn-Air

Magic

Chef

Maytag

Norge

CONTENTS:

(1) 16009142

Instruction Sheet

(1) 55602-34

Plastic Tubing

(2) 61002819

Screws

(1) 13900-1 Dryer

(1) 61003481

Heater Wire

(Yoder)

(2) 27116-5

Wire Nuts

(3) 67619-1

Adhesive Clips

(1) 61003479 (115V)

OR

(1) 61003480 (230V)

Transformer

1. If the leak has been determined to be in the yoder loop tubing, connect tubing as de-

scribed in the service manual, eliminating the yoder loop. Rework the sealed system and

make appropriate refrigerant charge as indicated on the serial plate. Then proceed as

follows:

2. Clean and straighten the yoder loop tubing so it is free of burrs and has the correct I.D.

3. Install a process tube adapter on a 3/16" I.D. plastic sleeve (55602-34), see Figure 1.

Connect the plastic sleeve to one side of the yoder loop.

4. Connect a gauge set and vacuum pump to the process adapter, see Figure 2.

5. Insert the braided end of the electric heater wire (61003481) into the condenser side of

the yoder loop.

Disconnect unit from power supply before servicing.

Plastic Sleeve

Processor Adapter Yoder Loop Heater

Vacuum Pump

Manifold Guage

Processor

Adapter

Figure 1. Figure 2.

6. Start the vacuum pump and place your finger over the end of the yoder tube with the braid inserted.

When a good vacuum is obtained, release your finger from the tube and begin to feed the braid into

the tube, one to two inches at a time until the braid reaches the plastic sleeve. Shut the vacuum

pump off and remove the plastic sleeve.

7. Pull the braid, while pushing an equal amount of the heater into the other end of the yoder tube until

heater wire lead connector reaches the end of the yoder tube.

8. Place the adhesive clips (67619-1) an equal distance across the top of the machine compartment

housing. Lace the yoder heater lead wire through the clips, see Figure 3.

9. Using the bottom ground wire mounting hole on the cabinet panel leg, mount the transformer

61003479 (115V) or 61003480 (230V) using a screw (61002819), (if a ground wire is mounted to the

bottom hole, move the ground wire up to the next hole). Turn the transformer approximately 50

inward (toward the front of the machine compartment). Using the other transformer mounting foot

hole as a guide, drill a 3/32" pilot hole in the cabinet panel leg. Fasten the transformer mounting foot

using a screw (61002819), see Figure 4.

10. Cut off the excess heater wire leaving only enough to wire to the transformer lead. Do not cut the

yoder heater lead wire coming from the condenser side of the cabinet. Wire both heater leads to

transformer using the wire caps (27116-5) supplied with the yoder heater assembly, see Figure 4.

11. Disconnect the compressor quick disconnect plug from the main wire harness and install the trans-

former lead connectors as shown in Figure 4.

12. Install the machine compartment cover and reconnect the power cord to the wall outlet.

(3) Adhesive Clips

Condenser

Transformer

Yoder

Heater

Lead Wire

Cut off excess

heater wire,

leave only

enough to

wire to the

transformer

Cabinet Panel Leg Figure 3.

Compressor

Leads

Bottom Ground

Wire Mounting

Hole

Heater Wires

Main Wire

Harness Leads

from the

Cabinet

Figure 4.

Wire Nuts