TB 1-1520-238-20-109
22
21
23
24
25
AIRCRAFT WITHOUT ELASTOMERIC MOUNTS
M04299011A
p. Paragraph 2.107.6.e. Add subparagraphs (8) through (11), to read as follows:
(8) Install two shear bolts (21) through recessed washers (22) and lugs (23) in
forward tailboom elastomeric mounts (24). Ensure recessed side of washer (22) is
installed against bolt head (21).
(9) Install two shear bolts (23.1) through recessed washers (23.2) and washers
(23.3) and lugs (23) in aft tailboom elastomeric mounts (24). Ensure recessed side
of recessed washer (23.2) is installed against bolt head (23.1).
(10) Torque four bolts (21) in sequence to 75 INCH-POUNDS. Use torque wrench.
(11) Torque two bolts (21) and two bolts (23.1) in sequence and in increments of
350 INCH-POUNDS up to 1385 INCH-POUNDS. Use adapter and applicable
torque wrench.
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