Module 9: Control Techniques - International Association of Fire ...
Module 9: Control Techniques - International Association of Fire ...
Module 9: Control Techniques - International Association of Fire ...
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Student Text IAFF Training for Hazardous Materials: Technician©<br />
Corrective Actions for Tank Car Fittings<br />
Fittings for Gauging<br />
Location <strong>of</strong> Leak Probable Cause Basic Repair Method<br />
Open-Type Gauging Device, Slip Tube With Quick Release or Screw Cover<br />
Liquid or vapor leak Gauging device control Close gauging device control<br />
from gauging device control valve not closed; valve valve<br />
valve orifice plug<br />
plug is loose or missing<br />
Liquid or vapor leak Loose flange nuts Tighten flange nut<br />
from joint between gauging<br />
device and manway cover plate<br />
Liquid or vapor leak Loose flange nuts Tighten flange nut<br />
from around cover at base <strong>of</strong><br />
fitting<br />
Liquid or vapor leak around Packing gland nut loose Tighten packing gland<br />
gauge rod packing gland or retainer<br />
missing<br />
Packing materials defective To be handled by a tank car<br />
specialist<br />
Closed-Type Gauging Device, Magnetic<br />
Liquid or vapor leak Broken pipe Tighten gauging device<br />
from base <strong>of</strong> gauging cover<br />
Do not remove cover.<br />
Liquid or vapor leak Loose flange nuts Tighten flange nuts<br />
from seal between gauging<br />
device and manway cover plate<br />
Closed-Typed Gauging Device, Tape-Type<br />
Liquid or vapor leak Loose flange nuts Tighten flange nuts<br />
from seal between<br />
gauging device and manway<br />
cover plate<br />
<strong>Module</strong> 9: <strong>Control</strong> <strong>Techniques</strong> 9-49
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