8

SERVICE PROCEDURES

SERVICE PROCEDURES

Continued

FAN

1Remove motor, motor mount, and fan (see Motor, steps 1 through 8, page 7).

2.Clean fan using soft cloth moistened with kerosene or solvent.

3.Dry fan thoroughly.

4.Replace fan on motor shaft. Make sure setscrew is touching back of flat surface on motor shaft (see Figure 8).

5.Place setscrew on flat of shaft. Tighten setscrew firmly (40-50 inch-pounds).

6.Place motor, motor mount, and fan guard into rear of heater shell (see Motor, steps 14 through 18, page 7).

Fan

Setscrew

Motor Shaft

Figure 8 - Fan, Motor Shaft, and Setscrew Location

Fan

Hub

Motor

Shaft

Setscrew

Figure 9 - Fan Cross Section

SPARK TRANSFORMER

1.Remove base tray.

2.Locate and disconnect white, black, and orange wires from spark transformer.

3.Remove two screws holding spark transformer to base. Re- move sheet metal nuts on transformer and install on new trans- former. Discard spark transformer.

4.Install new spark transformer. Position new spark transformer in same manner as old transformer.

5.Connect white, black, and orange wires to new spark trans- former. Connect wires to correct terminals as noted in step 2.

6.Replace base tray.

Ignitor Wire

Bushing

Figure 10 - Removing Ignitor Wire from Spark Transformer

IGNITOR

1.Remove motor, motor mount, and fan guard (see Motor, page 7, steps 1 through 6) .

2.Remove orange ignitor wire from ignitor.

3.Remove ignitor mounting screw from rear head using nut-driver or standard screwdriver (see Figure 11).

4.Remove ignitor from rear head.

5.Install new ignitor. Attach ignitor to rear head with ignitor mounting screw.

6. Attach ignitor wire.

Ignitor

Ignitor

Mounting

Screw

Rear Head

Figure 11 - Removing Ignitor Mounting Screw and Ignitor

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Desa REM100LP, BLP100 owner manual Fan, Spark Transformer, Ignitor

BLP100, REM100LP specifications

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