TM 55-1520-240-T
8-1.3 PITOT STATIC SYSTEM VISUAL CHECK (Continued)
TASK
RESULT
1. Check PITOT switch (1).
2. Check NO. 1 AFCS computer static (2),
pitot (3), left (4), and right (5) sideslip
line and fittings.
3. Check NO. 2 AFCS computer static (6),
pitot (7), left (8), and right (9) sideslip
lines and fittings.
4. Check left and right yaw ports (10).
5. Check left and right pitot masts (11).
6. Check pitot static system drains (12).
7. Check static ports (13).
8. Check pilot’s and copilot’s airspeed indi-
cators (14).
9. Check pilot’s and copilot’s altimeters
(15).
10. Check pilot’s and copilot’s vertical speed
indicators (16).
If switch (1) iS loose or damaged, tighten or re-
place as required.
If lines are kinked or damaged, straighten or re-
place them as required. If fittings are loose or
damaged, tighten or replace them as required.
If lines are kinked or damaged, straighten or re-
place them as required. If fittings are loose or
damaged, tighten or replace them as required.
If holes in ports (10) are clogged or ports are
damaged, clean ports or replace them as required.
If eithier pitot mast (11) is loose or damaged,
tighten or replace it as required.
If drains (12) are loose or damaged, tighten or re-
place them as required.
If holes in ports (13) are clogged, or ports are
damaged, clean parts or replace them as required.
If either Indicator (14) is loose or damaged tighten
or replace it as required
If either altimeter (15) is loose or damaged,
tighten or replace it as required.
If either indicator (16) is loose or damaged
tighten or replace it as required.
FOLLOW-ON MAINTENANCE
None
8 - 1 .3
END OF TASK
8-5
