TM 1-1520-238-23
2-274.6
Change 4
2.77A.
MAIN LANDING GEAR SHOCK STRUT STRUCTURAL SUPPORT PIN REPLACEMENT – continued
d. Perform magnetic particle inspection on left
support (para 2.76) or right support (para
2.77).
e. Check pin mating surface for damage.
(1) Check for cracks. None allowed.
(2) Pits and scratches not more than 0.010 INCH
before blending are allowed. Blend out dam-
age at a 20 to 1 ratio.
2.77A.6. Replacement
NOTE
Go to step b. to install guide pins with
safety bolt installed on support.
a. Install guide pins (1) in support (2).
(1) Apply a coat of sealing compound to mating
surface of new guide pin (1). Use protective
gloves and sealing compound (item 165,
App F).
(2) Install new guide pins (1) in support (2).
NOTE
To ensure guide pin will be secured to
support, guide pin shall remain undis-
turbed while curing.
(a) Allow sealing compound on installed
guide pins (1) to cure at ambient temper-
ature for 2 HOURS.
(3) Go to step c.
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M04-5137-3A
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2
ADL
RIGHT HAND SHOWN
