TM 55-203
Figure 4-24. Packing iron and waste grab hook.
moved from the journal box. Suitable size journal jacks
removed, and journal box packing replaced.
should be placed under both journal boxes The one at
d. Handling. Journal bearings, whether new, relined,
the opposite end from which the bearing is to be
or broached, should be handled with the same care and
removed will merely be raised to contact the bottom of
attention as finished machine parts. The lining is
the journal box to counterbalance and minimize the
relatively soft and easily damaged by abrasion or
jacking action In the other end. If only one jack is
impact. Railway car repairmen and supply personnel
available, the wheel may be blocked by suitable size
handling the journal bearings will be guided by the
blocks placed between wheel tread and car frame. Jack
following general policies.
under journal box from which the bearing is to be
removed will be raised until the wedge over the bearing
(1) Bearings with loose, thin, or spread lining, but
will slide free. The wedge and then the bearing will be
within dimensional limits of standard specifications, may
carefully removed by using packing hooks.
Car
be reclaimed by relining.
repairmen or inspectors will not insert their fingers or
(2) If journal bearings removed in wheel changes or
hands between the wedge, journal, or journal box top.
taken from dismantled cars are within dimensional
Reverse procedure will be used for placing new bearing.
limits, they may be reclaimed by boring or broaching,
It will be placed part way in the box by hand, pushed
provided that not less than 1/8
over the journal collar into place with a packing hook,
wedge inserted in the same manner, jacks lowered and
4-19
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