TM 1-1520-238-23
Change 2
2-350.15
2.95B.
MAIN ROTOR SUPPORT STRUT BUSHING REPLACEMENT (AVIM) – continued
d. Perform penetrant inspection on strut mating
bore. Use fluorescent inspection kit
(TM 55-1500-335-23).
2.95B.6. Installation
CAUTION
Install bushing(s) with care or damage
to surface finish on flange will result.
Do not heat ferrous parts over 350 F
(177 C) or nonferrous parts over 250
F (121 C).
Do not cool bearings and bushings be-
low -321 F (-196 C).
a. Install bushing(s) (1) in strut (2).
(1) Apply corrosion resistant coating to strut
bushing bore (8). Use corrosion resistant
coating (item 64A, App F) and brush
(item 34, App F).
(2) Place bushing(s) (1) in dry ice for 20 MIN-
UTES. Use carbon dioxide (item 40, App F)
and pail.
(3) Remove bushing(s) (1) from dry ice and apply
adhesive or sealant to OD of bushing(s) (1).
Use adhesive (item 14A, App F) or sealing
compound (item 158A, App F). Refer to Table
2-1.
(4) Aline and install bushing(s) (1) in strut (2)
(TM 55-1500-322-24). Use arbor press.
(a) If necessary, heat end of strut (2). Use
heater.
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