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Figure 4-4.  Electric Hoist Assembly - Gear and Hook Section
Figure 4-5.  Electric Hoist Assembly - Motor End.

TM-5-3895-368-14P Hammer Pile Driver Self-Powered Diesel Manual
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TM 5-3895-368-14&P (16) Remove  pin  (11)  and  nut  (10)  to  remove upper hook assembly (2) from adapter (8). (17) If  necessary,  remove  nut  (6),  screw  (4), latch  (3),  and  latch  spring  (5)  from  hook assembly (2). e. Disassembly - Motor End (Figure 4-5). NOTE The  motor  end  cover  (4)  is  at  end  of hoist    opposite    from    the    end    with power    cord.        When    removing    the cover   (4),   movement   will   be   limited until    wire    leads    are    exposed    and disconnected. (1) Remove  two  screws  (1),  lockwashers  (2), and cover (4). WARNING CAPACITOR (17) MAY BE CHARGED. TO AVOID ELECTRICAL SHOCK, ENSURE THAT CAPACITOR HAS BEEN DISCHARGED BEFORE DISCONNECTING WIRE LEADS. (2) Discharge capacitor (17) by shorting across  terminals.    As  they  are  exposed, tag     and     disconnect     wire     leads     from terminals. (3) Carefully  remove  the  rotor  assembly  (11) from  the  stator  assembly  (20).    Remove wave  washer  (14)  and  spacer  (15)  from gear housing. (4) Remove  retaining  ring  (12),  bearing  (13), and   inner   retaining   ring   (12)   from   rotor shaft. (5) If  necessary  for  replacement  of  rotor  (11) or     centrifugal     mechanism     (7),     use     a bearing puller to remove centrifugal mechanism  (7)  and  spacer  (8)  from  other end of rotor shaft. (6) Remove  screw  (19)  and  mounting  spring (18)   that   secures   capacitor   (17)   to   the gear housing. (7) Note  the  routing  of  leads  from  the  stator and   carefully   pull   stator   assembly   (20) from housing (56, Figure 4-4). NOTE If  stator  (20,  Figure  4-5)  will  not  slip easily from motor housing (58, Figure 4-4), tap on exterior of housing with a brass  drift  while  pulling  on  stator,  or apply   moderate   heat   to   exterior   of housing. (8) If necessary, remove pin (21) from stator. (9) Remove   two   screws   (9)   and   stationary switch (6) from the cover (4). (10) Remove   bearing   (5)   from   cover   (4)with bearing puller. f. Disassembly - Control Station (Figure 4-6). (1) Remove  four  screws  (9)  and  lift  off  cover assembly (10) and gasket (8). (2) Tag     and     disconnect     wire     leads     from control  cable  (20,  Figure  4-3).    Remove screw  (5,  Figure  4-6)  and  flat  washer  (4) from eye of restraining cable that supports the control cable.  Remove two screws (1) and   pull   control   cable   from   case   (16). Slide  grommet  (2)  and  retaining  ring  (3) from control cable. (3) Loosen  screws  (7)  and  remove  pins  (6), switches (14), and leaf springs (15). (4) Remove   screw   (11),   terminal   (12),   and jumper assembly (13). g. Cleaning and Inspection. WARNING DRY  CLEANING  SOLVENT  (P-D-680) IS  TOXIC  AND  FLAMMABLE.    WEAR PERSONAL PROTECTIVE EQUIPMENT,   TO   INCLUDE   NITRILE RUBBER    GLOVES/APRONS    AND    A FULL FACE SHIELD;  USE  ONLY  IN  A WELL-VENTILATED AREA; AVOID CONTACT   WITH   SKIN,   EYES,   AND CLOTHES   AND   DO   NOT   BREATHE VAPORS.    KEEP  AWAY  FROM  HEAT OR  FLAME.    NEVER  SMOKE  WHEN USING SOLVENT.  FLASH POINT FOR TYPE III SOLVENT IS 2000F. FAILURE TO DO SO MAY RESULT IN INJURY  OR  DEATH  TO  PERSONNEL. REFER TO WARNING S PAGE B FOR MORE INFORMATION. (1) Clean parts as follows: (a) Clean   friction   plates   (2   and   4,   Figure 4-3)  and  insulator  (37)  with  a  clean  dry cloth. 4-9







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