Quantcast CHAPTER   1 INTRODUCTION - TM-9-2920-243-34_7

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TM 9-2920-243-34 CHAPTER   1 INTRODUCTION 1-1. Scope This manual is for your use Electrical   Engine   Starter Neville  Model  M0017072MB (fig. 1-1). Section I. GENERAL in  maintaining  the Assembly,   Leece- (2920-00-267-9987) 1-2. Maintenance Forms and Records Maintenance  forms  and  records  that  you  are required to use are explained in TM 38-750. 1-3. Reporting of Errors You  can  improve  this  manual  by  calling  attention to errors and by recommending improvements using DA  Form 2028 (Recommended Changes to Publications and Blank Forms) or by a letter and mail  direct  to  Commander,  US  Army  Tank- Automotive  Command,  ATTN:  AMSTA-MSP, Warren,  MI  48090.  A  reply  will  be  furnished direct to you. Section   Il.   DESCRIPTION   AND   DATA 1-4. Description This electrical starter is a heavy duty, 24-volt, insulated,  waterproof,    fungus   and   corrosion resistant,  solenoid  operated,  enclosed  shift  -lever type with eight brushes retained in four brush holders.  The  drive  assembly  is  a  heavy  duty, overrunning  type  and  the  pinion  clearance  is adjustable.  The  starter  assembly  consists  of  eight major components, These are the brush rigging assembly,  shift  housing  assembly,  shaft  and  lever assembly, pinion   housing   assembly,   drive assembly,  armature  assembly,  and  field  ring assembly. 1-5. Tabulated Data Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..24vdc Current   at   rated   load   (rated   max)   .   .   .   .   .   .   .   .500   amps Horsepower  (rated) 8.5 hp at 2550 rpm Stall  torque  .    .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .    .  .  .106  lbs-ft Pinion   rotation   (facing   drive   end)   .   .   .   .   .   .   .   clockwise Number  of  pinion  teeth (one tooth blank) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Mounting   data: Number of mounting holes . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Diameter of mounting holes . . . . . . . . . . . . . . . . . . . . 0.656 in. Mounting holes circle diameter . . . .  . . . . . . . . . . . . . 5.75 in. Length  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .    .  .  .  .  .  .  .  .  .  .  .  .  .  .  18.72  in. Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9.34 in. Diameter (field ring) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.12 in. Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63 lbs 1-1


 


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