Air Supply Controls and Indicators. The air supply controls and indicators are shown in Figure 2-8 and listed in Table 2-7.
Figure 2-8. Air Supply Controls and Indicators
Table 2-7. Air Supply Controls and Indicators
(Item numbers are keyed to Figure 2-8)
AIR DRYER DRAIN
This valve is manually opened to drain built up water
VALVE - V79
from the low pressure air dryer.
AIR MANUAL BLOWDOWN
Normally closed, this valve is opened to bleed
VALVE - V69
pressure before changing filter.
This regulator is adjusted as needed to obtain
REGULATOR - V77
85 psig (586 kPa) service air pressure.
AIR SYSTEM REGULATOR
These gages show air tank and air manifold air
Change 12 2-15