TM 1-1520-238-23
5-210
5.47.
MAIN ROTOR HUB LOWER PLATE PAD REPLACEMENT (AVIM) – continued
CAUTION
Exercise extreme care and undertake
protective measures when handling or
performing any type of maintenance
on the hub plate. All surface areas are
critical. Scratches measuring 0.005
INCH in depth or greater will render
this part unserviceable.
To prevent damage to the hub plate,
ensure that work area is clean and that
parts are placed only on a soft and
adequately protected working surface.
Heat treated condition of hub plate is
critical. Part must be protected from
unscheduled heating and external im-
pact during inspection and other han-
dling.
NOTE
This task is typical for all eight pads on
hub plate.
Replacement of hub plate pad is not
necessary if rivets have loosened but
bond is still intact and pads show no
evidence of damage. In this instance,
replace only rivet(s).
5.47.3. Removal
a. Remove and discard rivets (1) from hub lower
plate (2) (TM 1-1500-204-23).
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