TM 10-5410-228-24
2.8
UNIT LEVEL TROUBLESHOOTING PROCEDURES Continued.
7.
NO AIR FLOW WHEN MISSION PROFILE SWITCH IS SET FOR STATIC MODE EXTERNAL
POWER `STATIC' INDICATOR ON, NBC SWITCH OFF, EXTERNAL HYDRAULIC PUMP
INDICATOR ON Continued.
4
Notify direct support to
Does
Yes
replace auxiliary power
hydraulic pump
pack hydraulic pump.
turn?
No
Does
Yes
Check shaft coupling or
AC motor
replace as required.
turn?
No
Disconnect 1A1W2P2
from 1A1W3J1. Check
for 208 Vac across
1A1W3J1 pins A & B
and B & C.
Turn power off to motor.
Is
Gain access to shaft coupling.
Yes
208 Vac
Separate coupling halves.
present?
Turn power on to motor.
No
Does
Yes
AC motor
turn?
No
6
5
2-36
