TM 10-5410-228-24
23. UNABLE TO OVERPRESSURIZE THE ABS ENCLOSURE, INTERNAL POWER, STATIC
POSITION Continued.
1
2
Fan
Gain access to pan assembly
Yes
speed
(see para 2.13.25).
9,000 to 9100
Check NBC switch A4S15
rpm?
and diode A4D10 on TB2.
Repair or replace.
No
Check NBC FAN outlet
Fan
Yes
Check hydraulic system
duct for air leaks.
speed
pump and valve settings
Repair duct as required.
9,000 to 9100
per para 2.14.5.
rpm?
Adjust as required.
No
Notify direct support.
2-85