TM 1-1520-238-23
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2.170.
PILOT/CPG ARMORED CREW SEAT FRAME ASSEMBLY HELICAL EXTENSION SPRING
REMOVAL/INSTALLATION – continued
2.170.3. Removal
a. Enter pilot and/or CPG station (para 1.56). Ob-
serve all safety precautions.
b. Remove helical extension spring (1) from
frame assembly (2).
(1) Remove spring (1) from yoke assembly (3).
(2) Remove spring (1) from spring bracket (4).
2.170.4. Cleaning
a. Wipe spring attachment area with a clean rag.
2.170.5. Inspection
a. Check spring attachment area for corrosion
(para 1.49).
b. Check spring attachment area for cracks.
None allowed.
2.170.6. Installation
a. Install spring (1) in frame assembly (2).
(1) Install spring (1) in yoke (3).
(2) Install spring (1) in spring bracket (4).
b. Inspect (QA).
c. Return pilot/CPG armored crew seat to up-
right position (para 2.161).
END OF TASK
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