TB 1-1520-238-20-133
7.3.1.1 For the AH-64A, remove access covers (LW9 and RW9) and fairings (LW10, LW11, RW10 and
RW11).
7.3.1.2 For the AH-64D, remove access covers (5LW10, 5LW11, 5RW10 and 5RW11).
7.3.2 Torque verfication. Using a torque wrench set to the following setting, ensure the bolt does not turn.
7.3.2.1 Upper wing bolts, set wrench to 108 foot-pounds.
7.3.2.2 Lower wing bolts, set wrench to 63 foot-pounds.
7.3.3 If bolt turns, replace bolt and barrel nut IAW para 7.4.
7.3.4 If bolt does not turn, retorque wing barrel bolts to the required value as follows.
7.3.4.1 Torque upper wing bolts to 120 foot-pounds.
7.3.4.2 Torque lower wing bolts to 70 foot-pounds.
7.3.5 Reinstall access covers/fairings.
7.4 Wing mounting hardware inspection/replacement. All wing mounting hardware (bolts and nuts) will be
removed and inspected NLT 1 Feb 06 to ensure new configuration hardware is installed. This procedure will
be performed on all eight mounting bolts (two upper and two lower on each wing), removing only one bolt at
a time.
7.4.1 Remove the ammunition storage magazine IAW TM 9-1090-208-23 or IETM.
7.4.2 Remove access covers/fairings to gain access to the wing bolts.
7.4.2.1 For the AH-64A, remove access covers (LW9 and RW9) and fairings (LW10, LW11, RW10 and
RW11).
7.4.2.2 For the AH-64D, remove access covers (5LW10, 5LW11, 5RW10 and 5RW11).
7.4.3
Remove wing stores IAW TM 9-1090-208-23-1 or IETM.
7.4.4 Remove upper bolt and washer (TM 1-1520-238-23P, fig 137, items 1 and 2) or lower bolt and washer
(TM 1-1520-238-23P, fig 137, items 3 and 4) (or the IETM) from the wing.
7.4.5 Remove barrel nut (TM 1-1520-238-23P, fig 78, items 4, 6, 19, or 22) and retainer (fig 78, items 3,
5, 18, or 21) (or the IETM).
7.4.6 Inspect the barrel nuts and bolts for authorized part numbers or vendor markings. New configuration
barrel nuts are P/Ns HS5813-8 (Vendor P/N SL4133-8E) and HS5813-10 (Vendor P/N SL4133-10. New
configuration bolts are P/Ns HS5683-10-13 (Vendor P/Ns VS3582-10-30, BC0020CE6A1-30),
HS5683-10-30 (Vendor P/Ns VS3582-10-30, AIC917-10-30, BC0020CE6A1-30) and HS5683-8-21 (Vendor
P/Ns VS3582-8-21, BC0020CE6A8-21, AIC917-8-21). The vendor markings are located on the bolt head and
the barrel end of the barrel nut. If new configuration hardware is not installed, or cannot be determined,
replace with new configuration hardware.
NOTE
If new configuration hardware is not available, the old configuration hard-
ware may be installed provided that the recurring inspections IAW this TB
are completed and new configuration hardware is installed NLT 1 Feb 06.
7.4.7
Inspect the barrel nut and bolt for damage. No damage allowed.
7.4.8 Install the upper wing barrel nut (HS5813-10) and retainer (NAS578-10B) or the lower barrel nut
(HS5813-8) and retainer (NAS578-8B) in the support holes. Lightly tap into place.
7.4.9
Lubricate the bolt threads using MIL-T-83483. Ensure lubricant is applied only to the threads.
7.4.10 Install upper bolt (HS5683-10-30) or lower bolt (HS5683-8-21) and washer. When installing lower
bolt, ensure lower bolt length is 2.058 to 2.088 inches.
7.4.11
Torque the upper bolts to 120 foot-pounds and lower bolts to 70 foot-pounds.
7.4.12
Repeat paragraph 7.4.4 to 7.4.11 for the remaining wing barrel nuts and bolts on each wing.
7.4.13
Install the ammunition storage magazine IAW TM 9-1090-208-23 or the IETM.
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