THERMAL HEAT DETECTOR REPLACEMENT

TM 55-1925-292-14&P

0019 00

INSTALLATION

1. Attach the new ionization smoke detector back plate (figure 1, item 6) to the junction box (figure 1, item 7)

with the two screws (figure 1, item 5).

2. Connect the electrical wiring (figure 1, item 3) to the terminals (figure 1, item 2) using the labels from step 3

of Removal as a guide. If an end of line device (capacitor) (figure 1, item 4) was removed during Removal,

connect the capacitor to the terminals. Remove the labels.

3. Install the ionization smoke detector cover (figure 1, item 1).

4. Perform the Follow-On Service procedure at the end of this work package.

THERMAL HEAT DETECTOR REPLACEMENT

REMOVAL

1. Remove the two screws (figure 2, item 1) that secure the junction box cover (figure 2, item 2) to the junction

box (figure 2, item 3), and remove the junction box cover.

WARNING

Take great care when working around electrical equipment. Contact between

unprotected body parts and electrical conductors can cause serious injury or

death. Do not wear jewelry or other conductive items while servicing energized

electrical equipment. Failure to comply with these precautions can cause seri-

ous injury or death.

2. Label and disconnect the wiring (figure 2, item 4).

3. Remove the retaining nut (figure 2, item 5), and remove the thermal heat detector (figure 2, item 6) from the

junction box cover (figure 2, item 2).

Figure 2. Thermal Heat Detector

0019 00-3