5-6. Roof Jack Assembly
a. Remove and clean heater roof jack components (para 4-3).
b. Inspect draft regulator for proper operation (para 4-25).
c. Inspect heat shields, stove pipe, tees, rain cap and hood for damage, that is, dents, distortion and evidence of
d. Repair heater roof jack or replace components if necessary. Install in the reverse order of removal.