TM 5-3895-373-34
2.72
REPAIR SCREED EXTENSION CYLINDER - Continued.
D.
REPAIR.
1.
PRESS OUT SPHERICAL BEARING FROM
CYLINDER TUBE BASE.
Place cylinder tube base support
blocks close to bearing bore when
pressing
out
spherical
bearing.
Failure
to
place
support
blocks
correctly may lead to warping of the
cylinder tube base.
a.
Place cylinder tube (4) base on hydraulic
press frame. Use parallel support blocks
(14) under cylinder tube to support base.
b.
Place a spacer from universal puller kit onto
outer race of spherical bearing (15). Press
spherical bearing out of base bearing bore.
2.
REPLACE SPHERICAL BEARING.
Place cylinder base tube support
blocks close to bearing bore when
pressing spherical bearing. Failure to
place support blocks correctly may
lead to warping of the cylinder tube
base.
a.
Place cylinder tube (4) base on hydraulic
press frame. Use parallel support blocks
(14) under the cylinder tube to support
base.
Spherical bearing must be pressed
straight
into
bearing
bore.
If
spherical bearing is allowed to tilt,
damage may result to both the
spherical bearing and the bearing
bore.
b.
Position spherical bearing (15) over bearing
bore on base of cylinder tube (4).
’
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