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 TM
9-2350-238-20-2
NOTE
may be
shims
between
the
There
boom
e y e s and cylinder eyes. If
reinstalling old shims, they must be
in the same position.
retained
5 Using
hammer
and
drift,
remove
two
up-
per hinge headless straight pins (7).
6 Remove lubrication fitting (8) from upper
hinge headless straight pin (7).
7 Remove two hexagon head capscrews (9),
two Iockwashers (10), and nut and pin
boom hinge pin locking plate (11) securing
each of two lower hinge headless straight
pins (12).
Place
rags
or
suitable
pads
between
the bottom of the cylinder rods and
cab wall to protect machined sur-
face of cylinder rods.
8 Remove two lower hinge headless
straight
pins (12) from crane boom (2).
Sling boom as shown to prevent un-
balanced boom action
which
could
cause serious injury.
Use hoist with 2000 lb (908 kg)
minimum
lifting
capacity
to
prevent
injury to personnel and damage to
equipment.
NOTE
Another
M578
Recovery
Vehicle
or
an
M88A1
Recovery
Vehicle,
if
available, may be used for lifting.
9 Using a hoist with a lifting capacity of
2000 lb (908 kg), lift crane boom (2) clear
of cab.
2-159
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