Cold Weather Modulator
Hold modulator in closed palm of hand for about 15 minutes. Apply 16 in. Hg of vacuum to supply port of modulator. Compare with COLD WEATHER MODULATOR chart. Place modulator in container of ice water for 30-40 minutes. Apply 16 in. Hg of vacuum to supply port of modulator. See COLD WEATHER MODULATOR SPECIFICATIONS table.
COLD WEATHER MODULATOR SPECIFICATIONS
| Color | Holds | Leaks |
|---|---|---|
| Black | Below 20°F | Above 35°F |
| Blue | Below 40°F | Above 55°F |
| Green | Below 50°F | Above 76°F |
| Yellow | Below 50°F | Above 65°F |