TM 1-1520-238-23
Change 7 9-476.1
9.127A. ROTOR BALANCE SIGNAL PROCESSOR FILTER BOX REMOVAL/INSTALLATION – continued
9.127A.4. Cleaning
a. Clean removed and attaching parts (para
1.47).
9.127A.5. Inspection
a. Check connectors for damaged pins, cracks,
cuts, or broken wires (para 9.104).
b. Check removed and attaching parts for dam-
age (para 9.104).
c. Check wires for wear, cuts, and breaks (para
9.104).
d. Check removed and attaching parts for corro-
sion (para 1.49).
9.127A.6. Installation
a. Install signal processor filter box (3).
(1) Position filter box (3) on mounting plate (8)
with connectors facing inboard.
(2) Install four screws (7) and washers (6).
b. Attach connector P128A (4) to receptacle
(A141)J2 (5).
c. Attach connector P128 (1) to receptacle J1 (2)
of filter box (3).
d. Inspect (QA).
e. Tilt and lock CPG seat in normal position (para
2.161).
f. Perform drive system vibration maintenance
operational check (TM 1-1520-238-T).
END OF TASK
