TM 1–1520–238–T–1
3–12
3–3
APU – OPERATING INSTRUCTIONS
3–3
Tools:
Nomenclature
Part Number
Headset–Microphone
H–157/AIC or equivalent
Cord Assembly,
7–262100009
Maintenance Headset
Microphone Adapter Cord
7–311B22060
(2)
(make item)
Personnel Required:
(3)
References:
TM 1-1270-476-20
TM 1-1520-238-23
TM 1-1520-238-T-4
TM 1-1520-238-T-7
TM 1-5855-265-20
Equipment Conditions:
Ref
Condition
TM 1-1520-238-T-4
Maintenance headset connected
TM 1-1520-238-23
Helicopter safed
Moorings removed
Protective covers removed
Access doors R190, R295,
R330, R325, R345, RN5, L190,
L330, RW12, and T50 opened
as required
Battery attached
TM 1-1520-238-T-7
Fuel System – Visual Check
completed
TM 1-1270-476-20
TADS window cover assembly
removed
TADS Boresight Assembly cover
removed
TM 1-5855-265-20
PNVS window cover assembly
removed
