TM 55-2840-254-23
1-79
INITIAL SETUP
Personnel Required:
68B10 Aircraft Powerplant Repairer
Applicable Configurations:
68B30 Aircraft Powerplant Inspector
All
References:
Tools:
TM 55-1520-240-10
Powerplant Mechanic's Tool Kit,
Task 8-23
Task
2-23
Para. 1-32
NSN 5180-00-323-4944
Task
2-24
Task 8-27
Technical Inspection Tool Kit,
Task 8-28
Task
2-25
NSN 5180-00-323-5114
Task 8-35
Task
2-28
Task 8-88
Task
2-29
Task 2-19
Materials:
Task 8-94
Task
2-33
Task 2-20
None
Task
2-34
Task 2-22
NOTE
An engine overspeed exists under the
conditions described in Operating In-
structions, TM 55-1520-240-10 or
Engine Test (Ref. Task 1-107).
1. If N1 overspeed limits are exceeded, proceed as
follows:
a. Remove oil filter cap and stem assembly and
metal chips or other foreign material.
b. Install oil filter element, and install oil filter
cap and stem assembly. (Ref. Task 8-27).
c. Remove chip detector (Ref. Task 8-88), and
check for metal chips.
d. Install chip detector (Ref. Task 8-94).
e. Remove dual chip detector (Ref. Task 8-28),
and check for metal chips.
f. Install dual chip detector (Ref. Task 8-35).
9. If chips are found in oil filter, chip detector,
or dual chip detector, inspect contaminated
h. Inspect engine hot end (Ref. Task 1 -93).
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