TM 1-1520-238-23
Change 8
16-11
16.2.
PYLON REMOVAL/INSTALLATION - continued
(2) Apply hydraulic fluid to mating surfaces of
hydraulic couplings female half (4) and male
half (5). Use hydraulic fluid (item 92, App F).
Ensure packings (6) and retainer (7) are com-
pletely lubricated before installing pylon.
CAUTION
Connector pin damage will occur if an
AH-64D pylon is installed on an AH-64A
wing. To prevent damage to the pylon
and wing connector, ensure the pylons
are AH-64A configuration prior to installa-
tion.
b. Install pylon (1) on wing (2). Torque four bolts
(3) to 650 INCH-POUNDS.
(1) Lift pylon (1) straight up and position under
wing (2).
(2) Aline two straight pins (8) and four bolts (3)
with mounting holes in wing (2).
(3) Install two of the four bolts (3) diagonally from
each other, then install the two remaining
bolts (3).
(4) Torque four bolts (3) to 650 INCH-POUNDS.
Use torque wrench.
c. Inspect (QA).
d. Perform utility hydraulic system bleeding op-
eration (para 1.35).
e. Perform utility hydraulic system servicing op-
eration (para 1.34).
f. Perform external stores elevation control
maintenance
operational
check
(TM 1-1520-238-T).
g. Perform external stores jettison maintenance
operational check (TM 1-1520-238-T).
h. Perform
pylon
boresighting
(TM 9-1230-476-20-1).
i. Install pylon rack ejector impulse cartridge
(para 16.3).
END OF TASK
M04-1217-7
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M04-1217-4
