TM 5-4320-300-14Table 4-2. Organizational Maintenance Troubleshooting - ContinuedMALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONCAUTIONRemove and insert pin from rear stand assemblieswith the handle end of the pin facing upward. Thepin locking mechanism will stick within the rear standif pin is inserted and removed any other way.Step 2. Check for binding wheels. On flat ground, carefully jack up the trailer as follows:a. Lower and pin rear stands and uncouple unit from towing vehicle. Lower front leg and insertlock pin.b. Position jack under frame assembly between wheel to be raised and wheel chock. Raisewheel off ground and lower rear stand on same side and/or put block of wood under front leg.Install lock pin (jack may have to be raised slightly to allow stand to be pinned). Both front legand rear stand should make solid contact with wood block or ground.c. Position a jack stand under axle near raised wheel. Leave jack, front leg, and rear standpositioned to supply support during work. Hand-spin the wheel. If wheel binds or makesunusual noises, tap off the grease cup and check whether grease is present.4-73
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