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|  ARMY TM 9-6115-666-13&P AIR FORCE TO 35C2-3-505-1 Table 2-2. Operator Preventive Maintenance Checks and Services for AN/MJQ-1612 and AN/MJQ-1632 Item Interval Location Procedure Not Fully Mission Capable if: No. Item to Check/Service TRAILER - continued Service brakes fail to brake 3 Before BRAKE SYSTEM a.  Test  brake  system  by trailer. connecting  trailer  to  towing vehicle. Connect service brake (left side) hose assemblies and emergency brake (right side) hose assemblies and make sure the towing vehicle service air line is turned on.  Actuate the service brakes during operation WARNING Serious buns can result from touching an overheated brake drum. b. During halts cautiously feel drums and hubs for overheated condition. Hot drums indicates dragging brake. Cool drum indicates inoperative brake. If overheated, notify Unit Maintenance. Leveling jack assemblies will 4 Before LEVELING JACKS Check  for  loose,  missing, not secure in stored position, damaged or corroded parts, and or will not support trailer for  any  unusual  signs  of a.  With trailer connected to towing vehicle, check leveling jacks (3) for easy operation. b.  Check leveling jacks for proper  mounting,  alignment, and general condition. 2-13 | ||
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