A minimum air pressure of 85 psig (586 kPa) is required to assure proper functioning of
automatic valves. When the air pressure gage shows at least 85 psig the blue indicator
lights should be on.
If valve indicator lights are not as stated below, troubleshoot valves. DO NOT start ROWPU.
Refer to para. 2-33a. for manual override procedures until Organizational Maintenance can
Check valve indicator (blue) lights.
MEDIA FILTER INLET VALVE (10) -ON
MEDIA FILTER OUTLET VALVE (9) -ON
MEDIA FILTER FLUSH VALVE (8) -ON
All other blue lights : OFF
Check level of carbon monoxide in the van (Table 2-9).
Check level of oil in high pressure pump (Figure 2-38).
Figure 2-38. High Pressure Pump Oil Level
Change 12 2-71