TM 55-203
Figure 6-1. Typical friction draft gear.
cars. These twin-cushioned gears are designed to fit the
(b) Disconnect the brake rod to the truck /at the
standard freight-and passenger-car draft gear pocket.
top of the live lever. Jack up the end of the car, and roll
None of those draft gears are currently used in Army-
the truck out of the way.
owned rolling stock but may be found in newer DFRIF
(c) Place suitable jack or hydraulic lift under the
cars especially designed to reduce shock in the
yoke.
movement of sensitive materials.
(d) By use of hydroram or steel wedge, compress
the draft gear free of the follower and block it.
64. Replacement Procedures
(e) Remove the carrier iron bolts.
(f) Lower the draft gear and yoke assembly from
a. General. Defective parts of draft gear attachments
the pocket.
must be renewed when detected. Splicing and patching is
(2) Where the type of car, draft gear, and facilities
unauthorized except as an emergency measure, because
permit, it may not be necessary to remove the truck from
the failure of draft gear attachments can result in
the car. In many cases the draft gear may be removed by
considerable damage to the car and its lading. Except for
following steps (a), (c), (d), (e), and (f), above, only.
center sills and draft castings, parts of the draft gear must
(3) When hydraulic jacks or lifts are not available, a truck
be normalized after any repairs by welding.
jack may be used as a field expedient, as follows:
(a) Remove the uncoupling lever, etc. ((1) (a),
b. Disassembly.
above), but leave the draft key in place.
(1) To disassemble a draft gear arrangement, the
(b) Compress the follower away from the lugs
coupler must be removed from the yoke using the
((1) (d), above).
procedure described in paragraph 7-5f(1) through (8).
(c) Place 2" x 10" oak or other heavy board
The yoke draft gear assembly may then be dropped in
under the draft gear with one end resting on the axle of
one of several ways:
the nearest wheels, one end on the ground.
(a) Chock the car wheels at the opposite end to
the end being worked. Remove the uncoupling lever,
draft key, coupler, etc.
6-2
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