TM 1-2840-252-23-2
5-10
INITIAL SETUP
Materials
None
Applicable Configurations:
All
Personnel Required
-
Tools:
Aircraft Powerplant Inspector
Technical Inspection Tool Kit,
Equipment Condition:
NSN 5180-00-323-5114
Off Engine Task
Multimeter
NOTE
The following step applies to both power
turbine speed pickups Only one power tur-
bine speed pickup is shown
1. Inspect powerturbine speed pickup (1) s fol-
a
lows
a.
Inspect for rubat tip (2)
b.
Inspect connector (3).There shall be no
corrosion, broken or bent pins (4)
c.
Inspect insulator(5) for damage
d.
Inspect connector thread (6) ondition
c
e.
Inspect coll resistance of speed pickup (1)
as follows
(1) Use multimeter with function switch set to
ohms and range switch set to R X 10 Re-
ject any speed pickup that does not con-
form to following specification
(2) Place red lead of multimeter to pin 1 and
the black lead to pin 2 of connector (6)
Resistance should not be less than 21.7
ohms and not more than 29.4 ohms
(3) Place red lead of multimeter to pin 3 and
the black to pin 4 of connector (6) Resis-
tance should be not less than 43.1 ohms
and not more than 58.3 ohms
FOLLOW-ON MAINTENANCE
None
END OF TASK
