TM 55-1510-220-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
ENGINE RUNUP (CONT)
*9. Pneumatic pressure - Check as follows:
a.
Condition levers - HIGH IDLE.
b.
Power levers - IDLE.
c.
Left bleed air valve switch - PNEU & ENVIRO OFF.
d.
Pneumatic pressure - Check 12 to 20 PSI.
e.
Left bleed air off light - Check illuminated.
f.
Right bleed air valve switch - PNEU & ENVIRO OFF.
g.
Left and right bleed air off lights - Check illuminated.
h.
Left and right bleed air fail lights - Check illuminated.
i.
Left bleed air valve switch - OPEN. Check L BL AIR OFF and L&R BL AIR FAIL lights off, and
pneumatic pressure at 12 to 20 PSI.
j.
Right bleed air valve switch -OPEN.
k.
Right bleed air off light - Check extinguished.
*10. Pressurization system - Check as follows:
a.
Cabin door caution annunciator light - Check extinguished.
b.
Storm windows - Check closed.
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