TM 5-4220-233-14
Figure 2-2. Coupling Trailer to Towing Vehicle.
(1) Align the towing vehicle with the Servicing Unit and slowly back towing vehicle until pintle (1) is
adjacent to lunette eye (2)
(2) Remove pintle lockpin (3) and open pintle (1).
(3) If necessary reposition the lunette eye (2) on trailer, to position pintel and lunette eye at same level.
To adjust the lunette eye, use two 15/16 wrenches, remove two locknuts and bolts(4), and
relocate/tighten at the desired height.
(4) To allow engagement with the pintle, slightly raise the front swivel jack.
(5) Position towing vehicle until pintle (1) is under the lunette eye (2).
(6) Lower front swivel lack until lunette eye (2) is engaged with pintle (1)
(7) Close the pintle and install pintle lockpin (3).
(8) Cross safety chains (5) under drawbar ring and attach to towing vehicle eyebolts (6).
(9) Connect intervehicular cable (7) to towing vehicle receptacle.
(10) Attach chain (8) for emergency brake to appropriate location on towing vehicle.
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