|
| |
Back
AFTER STARTING APU (CONT) | Up
TM-1-1520-238-MTF Maintenance Test Flight Manual Helicopter Attack
AH-64A Apache | Next
AFTER STARTING APU (CONT) |
TM 1-1520-238-MTF
2-42
PROCEDURE
TROUBLESHOOTING
REFERENCE
AFTER STARTING APU (CONT)
g. ACM switch – ACM. Verify no
excessive change in image quality.
h. ACQ SEL switch – OFF. Verify
proper turret response to head
movement. No excessive blooming
of picture.
i. Image registration – Check.
(1) Align crewmembers LOS
forward to the 12 o’clock
position ±5°.
(2) Select a reference object
approximately 90 feet in front of
helicopter.
NOTE
The allowable registration error is 1 foot at
90 feet. The center open position of the
LOS reticle is equivalent to 1 foot at 90 feet.
(3) Check registration (alignment
differential) between the
thermal image and reference
object in azimuth.
j. ACM switch – As desired.
k. ACQ SEL switch – As required.
24. Sensor changeover – Check as follows:
a. Pilots changeover check:
|
