TM 55-1520-240-23-4
5-46
INSTALL HORIZONTAL HINGE PIN, PITCH-VARYING HOUSING, AND PIN
BEARINGS (Continued)
5-46
CAUTION
Do not use substitute bolt or washer.
Damage to hub can result.
19.
Install bolt (28) and washer (29). Torque bolt
to 40 inch-pounds. Lockwire bolt to retaining
washer pin (30).
WARNING
Sealant (E470) can irritate skin and
cause burns. Avoid contact with skin,
eyes, and clothing. In case of contact,
immediately flush skin or eyes with
water for at least 15 minutes. Get
medical attention for eyes.
20.
Seal retaining washer (27) to shaft (11). Use
sealant (E470).
INSPECT
21.
Coat packings (31) and grooves (32) of end seal
plugs (33). Use lubricating oil (E254). Install
plugs in horizontal hinge pin (10).
22.
Inspect two thrust washer (34) for cracks,
distortion, gouges, scoring, nicks and scratches.
If cracks, scoring or distortion are found, reject
the washer. Gouges, nicks, or scratches less
than 0.002 inch deep may be polished out,
provided a minimum thickness of 0.123 inch is
not exceeded.
NOTE
Washers shall have at least four
equally spaced radial grooves on each
face. Washers with eight grooves on
one face and four grooves on the
opposite face are acceptable.
23.
Position thrust washers (34) with inside diameter
chamfer (35) toward pin (10).
FOLLOW-ON MAINTENANCE:
Install horizontal hinge pin caps (Task 5-41).
END OF TASK
Change 2
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