TM 55-1520-240-23-4
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REMOVE ROTARY-WING BLADE
(Continued)
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11.
Install hydraulic vertical hinge pin puller (T79)
(33) as follows:
Cap must be screwed onto vertical
pin completely. Incomplete thread
engagement can result in damaged
pin and pin puller.
a.
Screw cap (34) with bolt (35) all the way onto
pin (26).
b.
Install body (36) over bolt (35) and onto inner
race (37).
c.
Install hydraulic cylinder (38) over bolt (35)
and into clamp (39) on body (38).
d.
Install puller nut (40) on bolt (35) finger-tight.
e.
Check that cylinder (38) is seated completely.
Tighten two clamp bolts (41).
Do not remove pin with lower nut in
place. Pressure applied to pin puller
(T79) will cause damage to both inner
races.
f.
Check that lower nut (23) is removed.
Do not remove pin without supporting
blade. If blade is not supported as
pin is removed, pin and blade socket
can be damaged.
12.
Raise blade (9) just enough to clear droop stop
(42). Aft droop stop is shown here.
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