TM 1-1520-238-23
Change 4
2-129
2.46.
FORWARD AVIONICS BAY STRUCTURE FRAME ASSEMBLY FORWARD STEP SLEEVE BUSHING
REPLACEMENT – continued
2.46.3. Removal
a. Remove sleeve bushing (1) from support (2).
(1) Remove four pin rivets (3) from support (2).
(TM 1-1500-204-23).
(2) Remove and discard bushing (1) from sup-
port (2). Use arbor press.
2.46.4. Cleaning
a. Clean support bushing bore. Use methyl ethyl
ketone (item 124, App F), naphtha (item 127,
App F), or thinner (item 211, App F), and cloth
(item 52, App F) (para 1.47).
2.46.5. Inspection
a. Check support for cracks. None allowed.
b. Check support bushing bore for scoring,
nicks, and scratches.
(1) Scoring, nicks, and scratches are acceptable
if less than 0.025 INCH deep.
c. Check support for corrosion (para 1.49).
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