TM 10-3930-664-24 Section XX.  BODY, CHASSIS, AND HULL ACCESSORY ITEM MAINTENANCE Paragraph Title Page Number Number 2-142 Windshield Wiper Assembly Replacement  .........................................................................................2-378 2-143 Mirror Replacement.............................................................................................................................2-381 2-144 Defroster Assembly Replacement.......................................................................................................2-382 2-145 Heater Assembly Replacement...........................................................................................................2-384 2-146 Heater Hose Replacement ..................................................................................................................2-386 2-147 Heater Shutoff Valve Replacement .....................................................................................................2-389 2-148 Data Plate Replacement .....................................................................................................................2-391 2-142.  WINDSHIELD WIPER ASSEMBLY REPLACEMENT (MODEL MHE-271 ONLY) This task covers: Removal, Clearing, Inspection, and Installation INITIAL SETUP: Tools and Test Equipment: Equipment Condition: General Mechanics Tool Kit (1, App.  E) Batteries disconnected (para.  2-78) A.  REMOVAL WARNING Electrical  shock  hazard.    Disconnect  battery  ground  cable  or  power  source  prior  to  working  on  electrical components.    Failure  to  heed  warning  could  cause  shock,  injury  or  death.    If  electrical  shock  occurs, administer first aid and seek medical assistance immediately. 2-378

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