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 MECHANICAL
Incinerators-Continued
inadequate
inaccurate
n Combustion Chamber Draft Gage:
improper operating condition
inaccuracy
n Need of supplementary fuel:
n Burner Assemblies:
improper fuel-air mixtures
leakage
clogged jets, orifices, petcocks, valves
improper positioning of pilot light
nonuniform flame spread
dirty filters
n
Wiring and Controls:
loose connections
damaged insulation
evidence of short circuits
loose or weak contact springs
worn or pitted contacts
n Examine motor windings and brush rigging:
n Operate control mechanisms through complete cycle of operation:
n Nonavailability and poor condition of operating tools:
n All-Metal Trash Burners and Incinerators:
rust
corrosion
burned-through areas
warped and buckled surfaces
6-33
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